diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/H5AC.c | 86 | ||||
| -rw-r--r-- | src/H5ACdbg.c | 40 | ||||
| -rw-r--r-- | src/H5ACprivate.h | 5 | ||||
| -rw-r--r-- | src/H5C.c | 181 | ||||
| -rw-r--r-- | src/H5Cdbg.c | 43 | ||||
| -rw-r--r-- | src/H5Cpkg.h | 45 | ||||
| -rw-r--r-- | src/H5Cprivate.h | 8 | ||||
| -rw-r--r-- | src/H5FDfamily.c | 2 | ||||
| -rw-r--r-- | src/H5FDprivate.h | 2 | ||||
| -rw-r--r-- | src/H5FDspace.c | 26 | ||||
| -rw-r--r-- | src/H5FS.c | 163 | ||||
| -rw-r--r-- | src/H5FScache.c | 60 | ||||
| -rw-r--r-- | src/H5FSprivate.h | 2 | ||||
| -rw-r--r-- | src/H5Fint.c | 180 | ||||
| -rw-r--r-- | src/H5Fpkg.h | 8 | ||||
| -rw-r--r-- | src/H5Fprivate.h | 1 | ||||
| -rw-r--r-- | src/H5Fsuper.c | 153 | ||||
| -rw-r--r-- | src/H5Fsuper_cache.c | 119 | ||||
| -rw-r--r-- | src/H5MF.c | 724 | ||||
| -rw-r--r-- | src/H5MFaggr.c | 87 | ||||
| -rw-r--r-- | src/H5MFpkg.h | 2 | ||||
| -rw-r--r-- | src/H5MFprivate.h | 9 | ||||
| -rw-r--r-- | src/H5O.c | 4 | ||||
| -rw-r--r-- | src/H5Oprivate.h | 2 |
24 files changed, 1707 insertions, 245 deletions
@@ -1287,6 +1287,44 @@ done: /*------------------------------------------------------------------------- + * + * Function: H5AC_prep_for_file_close + * + * Purpose: This function should be called just prior to the cache + * flushes at file close. + * + * The objective of the call is to allow the metadata cache + * to do any preparatory work prior to generation of a + * cache image. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: John Mainzer + * 7/3/15 + * + *------------------------------------------------------------------------- + */ +herr_t +H5AC_prep_for_file_close(H5F_t *f, hid_t dxpl_id) +{ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity checks */ + HDassert(f); + HDassert(f->shared); + HDassert(f->shared->cache); + + if(H5C_prep_for_file_close(f, dxpl_id) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "cache prep for file close failed") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5AC_prep_for_file_close() */ + + +/*------------------------------------------------------------------------- * Function: H5AC_create_flush_dependency() * * Purpose: Create a flush dependency between two entries in the metadata @@ -2777,6 +2815,54 @@ done: /*------------------------------------------------------------------------- + * Function: H5AC_unsettle_entry_ring() + * + * Purpose: Advise the metadata cache that the specified entry's metadata + * cache manager ring is no longer settled (if it was on entry). + * + * If the target metadata cache manager ring is already + * unsettled, do nothing, and return SUCCEED. + * + * If the target metadata cache manager ring is settled, and + * we are not in the process of a file shutdown, mark + * the ring as unsettled, and return SUCCEED. + * + * If the target metadata cache manager is settled, and we + * are in the process of a file shutdown, post an error + * message, and return FAIL. + * + * Note that this function simply passes the call on to + * the metadata cache proper, and returns the result. + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Quincey Koziol + * September 17, 2016 + * + *------------------------------------------------------------------------- + */ +herr_t +H5AC_unsettle_entry_ring(void *_entry) +{ + H5AC_info_t *entry = (H5AC_info_t *)_entry; /* Entry to remove */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity checks */ + HDassert(entry); + + /* Unsettle the entry's ring */ + if(H5C_unsettle_entry_ring(entry) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTREMOVE, FAIL, "can't remove entry") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5AC_unsettle_entry_ring() */ + + +/*------------------------------------------------------------------------- * Function: H5AC_remove_entry() * * Purpose: Remove an entry from the cache. Must be not protected, pinned, diff --git a/src/H5ACdbg.c b/src/H5ACdbg.c index 6120242..8d99c6f 100644 --- a/src/H5ACdbg.c +++ b/src/H5ACdbg.c @@ -249,3 +249,43 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* H5AC__open_trace_file() */ + +/*------------------------------------------------------------------------- + * + * Function: H5AC_cache_is_clean() + * + * Purpose: Debugging function that verifies that all rings in the + * metadata cache are clean from the outermost ring, inwards + * to the inner ring specified. + * + * Returns TRUE if all specified rings are clean, and FALSE + * if not. Throws an assertion failure on error. + * + * Return: TRUE if the indicated ring(s) are clean, and FALSE otherwise. + * + * Programmer: John Mainzer, 6/18/16 + * + * Changes: None. + * + *------------------------------------------------------------------------- + */ +#ifndef NDEBUG +hbool_t +H5AC_cache_is_clean(const H5F_t *f, H5AC_ring_t inner_ring) +{ + H5C_t *cache_ptr; + hbool_t ret_value; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT_NOERR + + /* Sanity checks */ + HDassert(f); + HDassert(f->shared); + cache_ptr = f->shared->cache; + + ret_value = H5C_cache_is_clean(cache_ptr, inner_ring); + + FUNC_LEAVE_NOAPI(ret_value) +} /* H5AC_cache_is_clean() */ +#endif /* NDEBUG */ + diff --git a/src/H5ACprivate.h b/src/H5ACprivate.h index b34f6cb..96f23cb 100644 --- a/src/H5ACprivate.h +++ b/src/H5ACprivate.h @@ -365,6 +365,7 @@ H5_DLL herr_t H5AC_get_entry_status(const H5F_t *f, haddr_t addr, H5_DLL herr_t H5AC_insert_entry(H5F_t *f, hid_t dxpl_id, const H5AC_class_t *type, haddr_t addr, void *thing, unsigned int flags); H5_DLL herr_t H5AC_pin_protected_entry(void *thing); +H5_DLL herr_t H5AC_prep_for_file_close(H5F_t *f, hid_t dxpl_id); H5_DLL herr_t H5AC_create_flush_dependency(void *parent_thing, void *child_thing); H5_DLL void * H5AC_protect(H5F_t *f, hid_t dxpl_id, const H5AC_class_t *type, haddr_t addr, void *udata, unsigned flags); @@ -404,6 +405,7 @@ H5_DLL herr_t H5AC_get_entry_ring(const H5F_t *f, haddr_t addr, H5AC_ring_t *rin H5_DLL herr_t H5AC_set_ring(hid_t dxpl_id, H5AC_ring_t ring, H5P_genplist_t **dxpl, H5AC_ring_t *orig_ring); H5_DLL herr_t H5AC_reset_ring(H5P_genplist_t *dxpl, H5AC_ring_t orig_ring); +H5_DLL herr_t H5AC_unsettle_entry_ring(void *entry); H5_DLL herr_t H5AC_expunge_tag_type_metadata(H5F_t *f, hid_t dxpl_id, haddr_t tag, int type_id, unsigned flags); H5_DLL herr_t H5AC_get_tag(const void *thing, /*OUT*/ haddr_t *tag); @@ -423,6 +425,9 @@ H5_DLL herr_t H5AC_add_candidate(H5AC_t * cache_ptr, haddr_t addr); /* Debugging functions */ H5_DLL herr_t H5AC_stats(const H5F_t *f); H5_DLL herr_t H5AC_dump_cache(const H5F_t *f); +#ifndef NDEBUG +H5_DLL hbool_t H5AC_cache_is_clean(const H5F_t *f, H5AC_ring_t inner_ring); +#endif /* NDEBUG */ /* end debugging functions */ #endif /* !_H5ACprivate_H */ @@ -440,6 +440,10 @@ H5C_create(size_t max_cache_size, cache_ptr->entries_inserted_counter = 0; cache_ptr->entries_relocated_counter = 0; + /* initialize free space manager related fields: */ + cache_ptr->rdfsm_settled = FALSE; + cache_ptr->mdfsm_settled = FALSE; + if ( H5C_reset_cache_hit_rate_stats(cache_ptr) != SUCCEED ) { /* this should be impossible... */ @@ -687,6 +691,53 @@ H5C_free_tag_list_cb(void *_item, void H5_ATTR_UNUSED *key, void H5_ATTR_UNUSED /*------------------------------------------------------------------------- + * + * Function: H5C_prep_for_file_close + * + * Purpose: This function should be called just prior to the cache + * flushes at file close. There should be no protected + * entries in the cache at this point. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: John Mainzer + * 7/3/15 + * + *------------------------------------------------------------------------- + */ +herr_t +H5C_prep_for_file_close(H5F_t *f, hid_t dxpl_id) +{ + H5C_t * cache_ptr; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity checks */ + HDassert(f); + HDassert(f->shared); + HDassert(f->shared->cache); + cache_ptr = f->shared->cache; + HDassert(cache_ptr); + HDassert(cache_ptr->magic == H5C__H5C_T_MAGIC); + + /* For now at least, it is possible to receive the + * close warning more than once -- the following + * if statement handles this. + */ + if(cache_ptr->close_warning_received) + HGOTO_DONE(SUCCEED) + cache_ptr->close_warning_received = TRUE; + + /* Make certain there aren't any protected entries */ + HDassert(cache_ptr->pl_len == 0); + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5C_prep_for_file_close() */ + + +/*------------------------------------------------------------------------- * Function: H5C_dest * * Purpose: Flush all data to disk and destroy the cache. @@ -721,6 +772,7 @@ H5C_dest(H5F_t * f, hid_t dxpl_id) /* Sanity check */ HDassert(cache_ptr); HDassert(cache_ptr->magic == H5C__H5C_T_MAGIC); + HDassert(cache_ptr->close_warning_received); /* Flush and invalidate all cache entries */ if(H5C_flush_invalidate_cache(f, dxpl_id, H5C__NO_FLAGS_SET) < 0 ) @@ -904,6 +956,10 @@ done: * * JRM -- 8/30/15 * + * Modified function to call the free space manager + * settling functions. + * JRM -- 6/9/16 + * *------------------------------------------------------------------------- */ herr_t @@ -983,6 +1039,55 @@ H5C_flush_cache(H5F_t *f, hid_t dxpl_id, unsigned flags) */ ring = H5C_RING_USER; while(ring < H5C_RING_NTYPES) { + /* only call the free space manager settle routines when close + * warning has been received, and then only when the index is + * non-empty for that ring. + */ + if(cache_ptr->close_warning_received) { + switch(ring) { + case H5C_RING_USER: + break; + + case H5C_RING_RDFSM: + if(!cache_ptr->rdfsm_settled) { + hbool_t fsm_settled = FALSE; /* Whether the FSM was actually settled */ + + /* Settle raw data FSM */ + if(H5MF_settle_raw_data_fsm(f, dxpl_id, &fsm_settled) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "RD FSM settle failed") + + /* Only set the flag if the FSM was actually settled */ + if(fsm_settled) + cache_ptr->rdfsm_settled = TRUE; + } /* end if */ + break; + + case H5C_RING_MDFSM: + if(!cache_ptr->mdfsm_settled) { + hbool_t fsm_settled = FALSE; /* Whether the FSM was actually settled */ + + /* Settle metadata FSM */ + if(H5MF_settle_meta_data_fsm(f, dxpl_id, &fsm_settled) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "MD FSM settle failed") + + /* Only set the flag if the FSM was actually settled */ + if(fsm_settled) + cache_ptr->mdfsm_settled = TRUE; + } /* end if */ + break; + + case H5C_RING_SBE: + break; + + case H5C_RING_SB: + break; + + default: + HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "Unknown ring?!?!") + break; + } /* end switch */ + } /* end if */ + if(H5C_flush_ring(f, dxpl_id, ring, flags) < 0) HGOTO_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "flush ring failed.") ring++; @@ -3269,6 +3374,82 @@ done: /*------------------------------------------------------------------------- + * + * Function: H5C_unsettle_entry_ring + * + * Purpose: Advise the metadata cache that the specified entry's metadata + * cache manager ring is no longer settled (if it was on entry). + * + * If the target metadata cache manager ring is already + * unsettled, do nothing, and return SUCCEED. + * + * If the target metadata cache manager ring is settled, and + * we are not in the process of a file shutdown, mark + * the ring as unsettled, and return SUCCEED. + * + * If the target metadata cache manager is settled, and we + * are in the process of a file shutdown, post an error + * message, and return FAIL. + * + * Note that this function simply passes the call on to + * the metadata cache proper, and returns the result. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Quincey Koziol + * January 3, 2017 + * + *------------------------------------------------------------------------- + */ +herr_t +H5C_unsettle_entry_ring(void *_entry) +{ + H5C_cache_entry_t *entry = (H5C_cache_entry_t *)_entry; /* Entry whose ring to unsettle */ + H5C_t *cache; /* Cache for file */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity checks */ + HDassert(entry); + HDassert(entry->ring != H5C_RING_UNDEFINED); + HDassert((H5C_RING_USER == entry->ring) || (H5C_RING_RDFSM == entry->ring) || (H5C_RING_MDFSM == entry->ring)); + cache = entry->cache_ptr; + HDassert(cache); + HDassert(cache->magic == H5C__H5C_T_MAGIC); + + switch(entry->ring) { + case H5C_RING_USER: + /* Do nothing */ + break; + + case H5C_RING_RDFSM: + if(cache->rdfsm_settled) { + if(cache->flush_in_progress || cache->close_warning_received) + HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "unexpected rdfsm ring unsettle") + cache->rdfsm_settled = FALSE; + } /* end if */ + break; + + case H5C_RING_MDFSM: + if(cache->mdfsm_settled) { + if(cache->flush_in_progress || cache->close_warning_received) + HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "unexpected mdfsm ring unsettle") + cache->mdfsm_settled = FALSE; + } /* end if */ + break; + + default: + HDassert(FALSE); /* this should be un-reachable */ + break; + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5C_unsettle_entry_ring() */ + + +/*------------------------------------------------------------------------- * Function: H5C_validate_resize_config() * * Purpose: Run a sanity check on the specified sections of the diff --git a/src/H5Cdbg.c b/src/H5Cdbg.c index 9266acd..5697bff 100644 --- a/src/H5Cdbg.c +++ b/src/H5Cdbg.c @@ -952,3 +952,46 @@ H5C__dump_entry(H5C_t *cache_ptr, const H5C_cache_entry_t *entry_ptr, if(entry_ptr->flush_dep_nchildren) H5C__dump_children(cache_ptr, entry_ptr, FALSE, "Child", indent); } /* end H5C__dump_entry() */ +/*------------------------------------------------------------------------- + * + * Function: H5C_cache_is_clean() + * + * Purpose: Debugging function that verifies that all rings in the + * metadata cache are clean from the outermost ring, inwards + * to the inner ring specified. + * + * Returns TRUE if all specified rings are clean, and FALSE + * if not. Throws an assertion failure on error. + * + * Return: TRUE if the indicated ring(s) are clean, and FALSE otherwise. + * + * Programmer: John Mainzer, 6/18/16 + * + *------------------------------------------------------------------------- + */ +#ifndef NDEBUG +hbool_t +H5C_cache_is_clean(const H5C_t *cache_ptr, H5C_ring_t inner_ring) +{ + H5C_ring_t ring = H5C_RING_USER; + hbool_t ret_value = TRUE; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT_NOERR + + /* Sanity checks */ + HDassert(cache_ptr); + HDassert(cache_ptr->magic == H5C__H5C_T_MAGIC); + HDassert(inner_ring >= H5C_RING_USER); + HDassert(inner_ring <= H5C_RING_SB); + + while(ring <= inner_ring) { + if(cache_ptr->dirty_index_ring_size[ring] > 0) + ret_value = FALSE; + + ring++; + } /* end while */ + + FUNC_LEAVE_NOAPI(ret_value) +} /* H5C_cache_is_clean() */ +#endif /* NDEBUG */ + diff --git a/src/H5Cpkg.h b/src/H5Cpkg.h index 392553a..306f5f9 100644 --- a/src/H5Cpkg.h +++ b/src/H5Cpkg.h @@ -3468,6 +3468,9 @@ typedef struct H5C_tag_info_t { * clean data so as to avoid case b) above. Again, this is * a soft limit. * + * close_warning_received: Boolean flag indicating that a file closing + * warning has been received. + * * * In addition to the call back functions required for each entry, the * cache requires the following call back functions for this instance of @@ -4069,6 +4072,43 @@ typedef struct H5C_tag_info_t { * entries relocated_counter: Number of entries whose base address has * been changed since the last time this field was reset. * + * Free Space Manager Related fields: + * + * The free space managers must be informed when we are about to close + * or flush the file so that they order themselves accordingly. This used + * to be done much later in the close process, but with cache image and + * page buffering, this is no longer viable, as we must finalize the on + * disk image of all metadata much sooner. + * + * This is handled by the H5FS_settle_raw_data_fsm() and + * H5FS_settle_meta_data_fsm() routines. As these calls are expensive, + * the following fields are used to track whether the target free space + * managers are clean. + * + * They are also used in sanity checking, as once a free space manager is + * settled, it should not become unsettled (i.e. be asked to allocate or + * free file space) either ever (in the case of a file close) or until the + * flush is complete. + * + * rdfsm_settled: Boolean flag indicating whether the raw data free space + * manager is settled -- i.e. whether the correct space has + * been allocated for it in the file. + * + * Note that the name of this field is deceptive. In the + * multi file case, the flag applies to all free space + * managers that are not involved in allocating space for + * free space manager metadata. + * + * mdfsm_settled: Boolean flag indicating whether the meta data free space + * manager is settled -- i.e. whether the correct space has + * been allocated for it in the file. + * + * Note that the name of this field is deceptive. In the + * multi file case, the flag applies only to free space + * managers that are involved in allocating space for free + * space managers. + * + * * Statistics collection fields: * * When enabled, these fields are used to collect statistics as described @@ -4349,6 +4389,7 @@ struct H5C_t { hbool_t write_permitted; H5C_log_flush_func_t log_flush; hbool_t evictions_enabled; + hbool_t close_warning_received; /* Fields for maintaining [hash table] index of entries */ int32_t index_len; @@ -4454,6 +4495,10 @@ struct H5C_t { int64_t entries_loaded_counter; int64_t entries_inserted_counter; int64_t entries_relocated_counter; + /* Free Space Manager Related fields */ + hbool_t rdfsm_settled; + hbool_t mdfsm_settled; + #if H5C_COLLECT_CACHE_STATS /* stats fields */ int64_t hits[H5C__MAX_NUM_TYPE_IDS + 1]; diff --git a/src/H5Cprivate.h b/src/H5Cprivate.h index 8e75ea0..3b9634f 100644 --- a/src/H5Cprivate.h +++ b/src/H5Cprivate.h @@ -1773,6 +1773,7 @@ H5_DLL herr_t H5C_mark_entry_clean(void *thing); H5_DLL herr_t H5C_move_entry(H5C_t *cache_ptr, const H5C_class_t *type, haddr_t old_addr, haddr_t new_addr); H5_DLL herr_t H5C_pin_protected_entry(void *thing); +H5_DLL herr_t H5C_prep_for_file_close(H5F_t *f, hid_t dxpl_id); H5_DLL herr_t H5C_create_flush_dependency(void *parent_thing, void *child_thing); H5_DLL void * H5C_protect(H5F_t *f, hid_t dxpl_id, const H5C_class_t *type, haddr_t addr, void *udata, unsigned flags); @@ -1797,7 +1798,8 @@ H5_DLL hbool_t H5C_get_ignore_tags(const H5C_t *cache_ptr); H5_DLL herr_t H5C_retag_entries(H5C_t * cache_ptr, haddr_t src_tag, haddr_t dest_tag); H5_DLL herr_t H5C_cork(H5C_t *cache_ptr, haddr_t obj_addr, unsigned action, hbool_t *corked); H5_DLL herr_t H5C_get_entry_ring(const H5F_t *f, haddr_t addr, H5C_ring_t *ring); -H5_DLL herr_t H5C_remove_entry(void * thing); +H5_DLL herr_t H5C_unsettle_entry_ring(void *thing); +H5_DLL herr_t H5C_remove_entry(void *thing); #ifdef H5_HAVE_PARALLEL H5_DLL herr_t H5C_apply_candidate_list(H5F_t *f, hid_t dxpl_id, @@ -1810,5 +1812,9 @@ H5_DLL herr_t H5C_mark_entries_as_clean(H5F_t *f, hid_t dxpl_id, int32_t ce_arra haddr_t *ce_array_ptr); #endif /* H5_HAVE_PARALLEL */ +#ifndef NDEBUG /* debugging functions */ +H5_DLL hbool_t H5C_cache_is_clean(const H5C_t *cache_ptr, H5C_ring_t inner_ring); +#endif /* NDEBUG */ + #endif /* !_H5Cprivate_H */ diff --git a/src/H5FDfamily.c b/src/H5FDfamily.c index f0d4dba..4c4cad0 100644 --- a/src/H5FDfamily.c +++ b/src/H5FDfamily.c @@ -1357,7 +1357,7 @@ H5FD_family_lock(H5FD_t *_file, hbool_t rw) if(u < file->nmembs) { unsigned v; /* Local index variable */ - for(v = 0; v < v; v++) { + for(v = 0; v < u; v++) { if(H5FD_unlock(file->memb[v]) < 0) /* Push error, but keep going */ HDONE_ERROR(H5E_IO, H5E_CANTUNLOCK, FAIL, "unable to unlock member files") diff --git a/src/H5FDprivate.h b/src/H5FDprivate.h index 427b42c..45f0187 100644 --- a/src/H5FDprivate.h +++ b/src/H5FDprivate.h @@ -151,7 +151,7 @@ H5_DLL haddr_t H5FD_alloc(H5FD_t *file, hid_t dxpl_id, H5FD_mem_t type, struct H H5_DLL herr_t H5FD_free(H5FD_t *file, hid_t dxpl_id, H5FD_mem_t type, struct H5F_t *f, haddr_t addr, hsize_t size); H5_DLL htri_t H5FD_try_extend(H5FD_t *file, H5FD_mem_t type, struct H5F_t *f, - haddr_t blk_end, hsize_t extra_requested); + hid_t dxpl_id, haddr_t blk_end, hsize_t extra_requested); H5_DLL haddr_t H5FD_get_eoa(const H5FD_t *file, H5FD_mem_t type); H5_DLL herr_t H5FD_set_eoa(H5FD_t *file, H5FD_mem_t type, haddr_t addr); H5_DLL haddr_t H5FD_get_eof(const H5FD_t *file, H5FD_mem_t type); diff --git a/src/H5FDspace.c b/src/H5FDspace.c index a7899ac..fcddecf 100644 --- a/src/H5FDspace.c +++ b/src/H5FDspace.c @@ -243,9 +243,9 @@ H5FD_alloc(H5FD_t *file, hid_t dxpl_id, H5FD_mem_t type, H5F_t *f, hsize_t size, if(!H5F_addr_defined(ret_value)) HGOTO_ERROR(H5E_VFL, H5E_CANTALLOC, HADDR_UNDEF, "real 'alloc' request failed") - /* Mark superblock dirty in cache, so change to EOA will get encoded */ - if(H5F_super_dirty(f) < 0) - HGOTO_ERROR(H5E_VFL, H5E_CANTMARKDIRTY, HADDR_UNDEF, "unable to mark superblock as dirty") + /* Mark EOA info dirty in cache, so change will get encoded */ + if(H5F_eoa_dirty(f, dxpl_id) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTMARKDIRTY, HADDR_UNDEF, "unable to mark EOA info as dirty") done: FUNC_LEAVE_NOAPI(ret_value) @@ -350,8 +350,8 @@ done: *------------------------------------------------------------------------- */ herr_t -H5FD_free(H5FD_t *file, hid_t dxpl_id, H5FD_mem_t type, H5F_t *f, haddr_t addr, - hsize_t size) +H5FD_free(H5FD_t *file, hid_t dxpl_id, H5FD_mem_t type, H5F_t *f, + haddr_t addr, hsize_t size) { herr_t ret_value = SUCCEED; /* Return value */ @@ -367,9 +367,9 @@ H5FD_free(H5FD_t *file, hid_t dxpl_id, H5FD_mem_t type, H5F_t *f, haddr_t addr, if(H5FD_free_real(file, dxpl_id, type, addr, size) < 0) HGOTO_ERROR(H5E_VFL, H5E_CANTFREE, FAIL, "real 'free' request failed") - /* Mark superblock dirty in cache, so change to EOA will get encoded */ - if(H5F_super_dirty(f) < 0) - HGOTO_ERROR(H5E_VFL, H5E_CANTMARKDIRTY, FAIL, "unable to mark superblock as dirty") + /* Mark EOA info dirty in cache, so change will get encoded */ + if(H5F_eoa_dirty(f, dxpl_id) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTMARKDIRTY, FAIL, "unable to mark EOA info as dirty") done: FUNC_LEAVE_NOAPI(ret_value) @@ -395,8 +395,8 @@ done: *------------------------------------------------------------------------- */ htri_t -H5FD_try_extend(H5FD_t *file, H5FD_mem_t type, H5F_t *f, haddr_t blk_end, - hsize_t extra_requested) +H5FD_try_extend(H5FD_t *file, H5FD_mem_t type, H5F_t *f, hid_t dxpl_id, + haddr_t blk_end, hsize_t extra_requested) { haddr_t eoa; /* End of allocated space in file */ htri_t ret_value = FALSE; /* Return value */ @@ -423,9 +423,9 @@ H5FD_try_extend(H5FD_t *file, H5FD_mem_t type, H5F_t *f, haddr_t blk_end, if(HADDR_UNDEF == H5FD_extend(file, type, FALSE, extra_requested, NULL, NULL)) HGOTO_ERROR(H5E_VFL, H5E_CANTEXTEND, FAIL, "driver extend request failed") - /* Mark superblock dirty in cache, so change to EOA will get encoded */ - if(H5F_super_dirty(f) < 0) - HGOTO_ERROR(H5E_VFL, H5E_CANTMARKDIRTY, FAIL, "unable to mark superblock as dirty") + /* Mark EOA info dirty in cache, so change will get encoded */ + if(H5F_eoa_dirty(f, dxpl_id) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTMARKDIRTY, FAIL, "unable to mark EOA info as dirty") /* Indicate success */ HGOTO_DONE(TRUE) @@ -901,6 +901,169 @@ done: /*------------------------------------------------------------------------- + * Function: H5FS_alloc_vfd_alloc_hdr_and_section_info + * + * Purpose: This function is part of a hack to patch over a design + * flaw in the free space managers for file space allocation. + * Specifically, if a free space manager allocates space for + * its own section info, it is possible for it to + * go into an infinite loop as it: + * + * 1) computes the size of the section info + * + * 2) allocates file space for the section info + * + * 3) notices that the size of the section info + * has changed + * + * 4) deallocates the section info file space and + * returns to 1) above. + * + * Similarly, if it allocates space for its own header, it + * can go into an infinte loop as it: + * + * 1) allocates space for the header + * + * 2) notices that the free space manager is empty + * and thus should not have file space allocated + * to its header + * + * 3) frees the space allocated to the header + * + * 4) notices that the free space manager is not + * empty and thus must have file space allocated + * to it, and thus returns to 1) above. + * + * In a nutshell, the solution applied in this hack is to + * deallocate file space for the free space manager(s) that + * handle FSM header and/or section info file space allocations, + * wait until all other allocation/deallocation requests have + * been handled, and then test to see if the free space manager(s) + * in question are empty. If they are, do nothing. If they + * are not, allocate space for them at end of file bypassing the + * usual file space allocation calls, and thus avoiding the + * potential infinite loops. + * + * The purpose of this function is to allocate file space for + * the header and section info of the target free space manager + * directly from the VFD if needed. In this case the function + * also re-inserts the header and section info in the metadata + * cache with this allocation. + * + * Note that if f->shared->alignment > 1, and EOA is not a + * multiple of the alignment, it is possible that performing + * this allocation may generate a fragment of file space in + * addition to the space allocated for the section info. + * + * At present we deal with this by screaming and dying. + * Obviously, this is not acceptatable, but it should do + * for now. + * + * + * Return: Success: non-negative + * Failure: negative + * + * Programmer: John Mainzer + * 6/6/16 + * + *------------------------------------------------------------------------- + */ +herr_t +H5FS_alloc_vfd_alloc_hdr_and_section_info(H5F_t *f, hid_t dxpl_id, + H5FS_t *fspace, haddr_t *fs_addr_ptr) +{ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI_TAG(dxpl_id, H5AC__FREESPACE_TAG, FAIL) + + /* Check arguments */ + HDassert(f); + HDassert(fspace); + HDassert(fs_addr_ptr); + + /* The section info should be unlocked */ + HDassert(fspace->sinfo_lock_count == 0); + + /* No space should be allocated */ + HDassert(*fs_addr_ptr == HADDR_UNDEF); + HDassert(fspace->addr == HADDR_UNDEF); + HDassert(fspace->sect_addr == HADDR_UNDEF); + HDassert(fspace->alloc_sect_size == 0); + + /* Check if any space will be needed */ + if(fspace->serial_sect_count > 0) { + haddr_t sect_addr; /* Address of sinfo */ + + /* The section info is floating, so fspace->sinfo should be defined */ + HDassert(fspace->sinfo); + + /* Start by allocating file space for the header */ + if(HADDR_UNDEF == (fspace->addr = H5MF_vfd_alloc(f, dxpl_id, H5FD_MEM_FSPACE_HDR, + (hsize_t)H5FS_HEADER_SIZE(f), FALSE))) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTALLOC, FAIL, "can't allocate file space for hdr") + + /* Cache the new free space header (pinned) */ + if(H5AC_insert_entry(f, dxpl_id, H5AC_FSPACE_HDR, fspace->addr, fspace, H5AC__PIN_ENTRY_FLAG) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't add free space header to cache") + + + /* Now allocate file space for the section info */ + if(HADDR_UNDEF == (sect_addr = H5MF_vfd_alloc(f, dxpl_id, H5FD_MEM_FSPACE_SINFO, + fspace->sect_size, FALSE))) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTALLOC, FAIL, "can't allocate file space") + + /* Update fspace->alloc_sect_size and fspace->sect_addr to reflect + * the allocation + */ + fspace->alloc_sect_size = fspace->sect_size; + fspace->sect_addr = sect_addr; + + /* We have changed the sinfo address -- Mark free space header dirty */ + if(H5AC_mark_entry_dirty(fspace) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space header as dirty") + + /* Insert the new section info into the metadata cache. */ + + /* Question: Do we need to worry about this insertion causing an + * eviction from the metadata cache? Think on this. If so, add a + * flag to H5AC_insert() to force it to skip the call to make space in + * cache. + * + * On reflection, no. + * + * On a regular file close, any eviction will not change the + * the contents of the free space manger(s), as all entries + * should have correct file space allocated by the time this + * function is called. + * + * In the cache image case, the selection of entries for inclusion + * in the cache image will not take place until after this call. + * (Recall that this call is made during the metadata fsm settle + * routine, which is called during the serialization routine in + * the cache image case. Entries are not selected for inclusion + * in the image until after the cache is serialized.) + * + * JRM -- 11/4/16 + */ + if(H5AC_insert_entry(f, dxpl_id, H5AC_FSPACE_SINFO, sect_addr, fspace->sinfo, H5AC__NO_FLAGS_SET) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't add free space sinfo to cache") + + /* Since space has been allocated for the section info and the sinfo + * has been inserted into the cache, relinquish owership (i.e. float) + * the section info. + */ + fspace->sinfo = NULL; + + /* Set the address of the free space header, on success */ + *fs_addr_ptr = fspace->addr; + } /* end if */ + +done: + FUNC_LEAVE_NOAPI_TAG(ret_value, FAIL) +} /* H5FS_alloc_vfd_alloc_hdr_and_section_info() */ + + +/*------------------------------------------------------------------------- * Function: H5FS_free() * * Purpose: Free space for free-space manager header and section info header diff --git a/src/H5FScache.c b/src/H5FScache.c index 84707ca..6235509 100644 --- a/src/H5FScache.c +++ b/src/H5FScache.c @@ -88,6 +88,7 @@ static herr_t H5FS__cache_hdr_pre_serialize(H5F_t *f, hid_t dxpl_id, unsigned *flags); static herr_t H5FS__cache_hdr_serialize(const H5F_t *f, void *image, size_t len, void *thing); +static herr_t H5FS__cache_hdr_notify(H5AC_notify_action_t action, void *thing); static herr_t H5FS__cache_hdr_free_icr(void *thing); static herr_t H5FS__cache_sinfo_get_initial_load_size(void *udata, size_t *image_len); @@ -121,7 +122,7 @@ const H5AC_class_t H5AC_FSPACE_HDR[1] = {{ H5FS__cache_hdr_image_len, /* 'image_len' callback */ H5FS__cache_hdr_pre_serialize, /* 'pre_serialize' callback */ H5FS__cache_hdr_serialize, /* 'serialize' callback */ - NULL, /* 'notify' callback */ + H5FS__cache_hdr_notify, /* 'notify' callback */ H5FS__cache_hdr_free_icr, /* 'free_icr' callback */ NULL, /* 'fsf_size' callback */ }}; @@ -768,6 +769,63 @@ H5FS__cache_hdr_serialize(const H5F_t *f, void *_image, size_t len, /*------------------------------------------------------------------------- + * Function: H5FS__cache_hdr_notify + * + * Purpose: Handle cache action notifications + * + * Return: SUCCEED/FAIL + * + * Programmer: Quincey Koziol + * koziol@lbl.gov + * January 3, 2017 + * + *------------------------------------------------------------------------- + */ +herr_t +H5FS__cache_hdr_notify(H5AC_notify_action_t action, void *_thing) +{ + H5FS_t *fspace = (H5FS_t *)_thing; /* Pointer to the object */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT + + /* Sanity check */ + HDassert(fspace); + + /* Determine which action to take */ + switch(action) { + case H5AC_NOTIFY_ACTION_AFTER_INSERT: + case H5AC_NOTIFY_ACTION_AFTER_LOAD: + case H5AC_NOTIFY_ACTION_AFTER_FLUSH: + /* do nothing */ + break; + + case H5AC_NOTIFY_ACTION_ENTRY_DIRTIED: + if(H5AC_unsettle_entry_ring(fspace) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTFLUSH, FAIL, "unable to mark FSM ring as unsettled") + break; + + case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: + case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_BEFORE_EVICT: + /* do nothing */ + break; + + default: +#ifdef NDEBUG + HGOTO_ERROR(H5E_FSPACE, H5E_BADVALUE, FAIL, "unknown action from metadata cache") +#else /* NDEBUG */ + HDassert(0 && "Unknown action?!?"); +#endif /* NDEBUG */ + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5FS__cache_hdr_notify() */ + + +/*------------------------------------------------------------------------- * Function: H5FS__cache_hdr_free_icr * * Purpose: Destroys a free space header in memory. diff --git a/src/H5FSprivate.h b/src/H5FSprivate.h index 20fdff1..1816a6e 100644 --- a/src/H5FSprivate.h +++ b/src/H5FSprivate.h @@ -182,6 +182,8 @@ H5_DLL herr_t H5FS_delete(H5F_t *f, hid_t dxpl_id, haddr_t fs_addr); H5_DLL herr_t H5FS_close(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace); H5_DLL herr_t H5FS_alloc_hdr(H5F_t *f, H5FS_t *fspace, haddr_t *fs_addr, hid_t dxpl_id); H5_DLL herr_t H5FS_alloc_sect(H5F_t *f, H5FS_t *fspace, hid_t dxpl_id); +H5_DLL herr_t H5FS_alloc_vfd_alloc_hdr_and_section_info(H5F_t *f, hid_t dxpl_id, + H5FS_t *fspace, haddr_t *fs_addr_ptr); H5_DLL herr_t H5FS_free(H5F_t *f, H5FS_t *fspace, hid_t dxpl_id); /* Free space section routines */ diff --git a/src/H5Fint.c b/src/H5Fint.c index f1e9fb5..8ad97a8 100644 --- a/src/H5Fint.c +++ b/src/H5Fint.c @@ -76,6 +76,8 @@ typedef struct H5F_olist_t { static int H5F_get_objects_cb(void *obj_ptr, hid_t obj_id, void *key); static herr_t H5F_build_actual_name(const H5F_t *f, const H5P_genplist_t *fapl, const char *name, char ** /*out*/ actual_name);/* Declare a free list to manage the H5F_t struct */ +static herr_t H5F__flush_phase1(H5F_t *f, hid_t dxpl_id); +static herr_t H5F__flush_phase2(H5F_t *f, hid_t dxpl_id, hbool_t closing); /*********************/ @@ -820,15 +822,40 @@ H5F_dest(H5F_t *f, hid_t dxpl_id, hbool_t flush) int actype; /* metadata cache type (enum value) */ H5F_io_info_t fio_info; /* I/O info for operation */ - /* Flush at this point since the file will be closed. + /* Flush at this point since the file will be closed (phase 1). * Only try to flush the file if it was opened with write access, and if * the caller requested a flush. */ if((H5F_ACC_RDWR & H5F_INTENT(f)) && flush) - if(H5F_flush(f, dxpl_id, TRUE) < 0) + if(H5F__flush_phase1(f, dxpl_id) < 0) /* Push error, but keep going*/ HDONE_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to flush cache") + /* Notify the metadata cache that the file is about to be closed. + * This allows the cache to set up for creating a metadata cache + * image if this has been requested. + */ + if(H5AC_prep_for_file_close(f, dxpl_id) < 0) + /* Push error, but keep going */ + HDONE_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "metadata cache prep for close failed") + + /* Flush at this point since the file will be closed (phase 2). + * Only try to flush the file if it was opened with write access, and if + * the caller requested a flush. + */ + if((H5F_ACC_RDWR & H5F_INTENT(f)) && flush) + if(H5F__flush_phase2(f, dxpl_id, TRUE) < 0) + /* Push error, but keep going*/ + HDONE_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to flush cache") + + /* With the shutdown modifications, the contents of the metadata cache + * should be clean at this point, with the possible exception of the + * the superblock and superblock extension. + * + * Verify this. + */ + HDassert(H5AC_cache_is_clean(f, H5AC_RING_MDFSM)); + /* Release the external file cache */ if(f->shared->efc) { if(H5F_efc_destroy(f->shared->efc) < 0) @@ -837,36 +864,72 @@ H5F_dest(H5F_t *f, hid_t dxpl_id, hbool_t flush) f->shared->efc = NULL; } /* end if */ + /* With the shutdown modifications, the contents of the metadata cache + * should be clean at this point, with the possible exception of the + * the superblock and superblock extension. + * + * Verify this. + */ + HDassert(H5AC_cache_is_clean(f, H5AC_RING_MDFSM)); + /* Release objects that depend on the superblock being initialized */ if(f->shared->sblock) { /* Shutdown file free space manager(s) */ - /* (We should release the free space information now (before truncating - * the file and before the metadata cache is shut down) since the - * free space manager is holding some data structures in memory - * and also because releasing free space can shrink the file's - * 'eoa' value) + /* (We should release the free space information now (before + * truncating the file and before the metadata cache is shut + * down) since the free space manager is holding some data + * structures in memory and also because releasing free space + * can shrink the file's 'eoa' value) + * + * Update 11/1/16: + * + * With recent library shutdown modifications, the free space + * managers should be settled and written to file at this point + * (assuming they are persistent). In this case, closing the + * free space managers should have no effect on EOA. + * + * -- JRM */ if(H5F_ACC_RDWR & H5F_INTENT(f)) { if(H5MF_close(f, dxpl_id) < 0) /* Push error, but keep going*/ HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "can't release file free space info") - /* Flush the file again (if requested), as shutting down the - * free space manager may dirty some data structures again. + /* at this point, only the superblock and superblock + * extension should be dirty. */ + HDassert(H5AC_cache_is_clean(f, H5AC_RING_MDFSM)); + if(flush) { /* Clear status_flags */ f->shared->sblock->status_flags &= (uint8_t)(~H5F_SUPER_WRITE_ACCESS); f->shared->sblock->status_flags &= (uint8_t)(~H5F_SUPER_SWMR_WRITE_ACCESS); - /* Mark superblock dirty in cache, so change will get encoded */ - if(H5F_super_dirty(f) < 0) + /* Mark EOA info dirty in cache, so change will get encoded */ + if(H5F_eoa_dirty(f, dxpl_id) < 0) /* Push error, but keep going*/ HDONE_ERROR(H5E_FILE, H5E_CANTMARKDIRTY, FAIL, "unable to mark superblock as dirty") - if(H5F_flush(f, dxpl_id, TRUE) < 0) + /* Release any space allocated to space aggregators, + * so that the eoa value corresponds to the end of the + * space written to in the file. + * + * At most, this should change the superblock or the + * superblock extension messages. + */ + if(H5MF_free_aggrs(f, dxpl_id) < 0) + /* Push error, but keep going*/ + HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "can't release file space") + + /* Truncate the file to the current allocated size */ + if(H5FD_truncate(f->shared->lf, dxpl_id, TRUE) < 0) /* Push error, but keep going*/ - HDONE_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to flush cache") + HDONE_ERROR(H5E_FILE, H5E_WRITEERROR, FAIL, "low level truncate failed") + + /* at this point, only the superblock and superblock + * extension should be dirty. + */ + HDassert(H5AC_cache_is_clean(f, H5AC_RING_MDFSM)); } /* end if */ } /* end if */ @@ -884,6 +947,13 @@ H5F_dest(H5F_t *f, hid_t dxpl_id, hbool_t flush) HDONE_ERROR(H5E_FSPACE, H5E_CANTUNPIN, FAIL, "unable to unpin superblock") f->shared->sblock = NULL; } /* end if */ + + /* with the possible exception of the superblock and superblock + * extension, the metadata cache should be clean at this point. + * + * Verify this. + */ + HDassert(H5AC_cache_is_clean(f, H5AC_RING_MDFSM)); /* Remove shared file struct from list of open files */ if(H5F_sfile_remove(f->shared) < 0) @@ -1358,25 +1428,24 @@ done: /*------------------------------------------------------------------------- - * Function: H5F_flush + * Function: H5F_flush_phase1 * - * Purpose: Flushes cached data. + * Purpose: First phase of flushing cached data. * * Return: Non-negative on success/Negative on failure * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Aug 29 1997 + * Programmer: Quincey Koziol + * koziol@lbl.gov + * Jan 1 2017 * *------------------------------------------------------------------------- */ -herr_t -H5F_flush(H5F_t *f, hid_t dxpl_id, hbool_t closing) +static herr_t +H5F__flush_phase1(H5F_t *f, hid_t dxpl_id) { - H5F_io_info_t fio_info; /* I/O info for operation */ herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI(FAIL) + FUNC_ENTER_STATIC /* Sanity check arguments */ HDassert(f); @@ -1396,6 +1465,34 @@ H5F_flush(H5F_t *f, hid_t dxpl_id, hbool_t closing) /* Push error, but keep going*/ HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "can't release file space") + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5F__flush_phase1() */ + + +/*------------------------------------------------------------------------- + * Function: H5F__flush_phase2 + * + * Purpose: Second phase of flushing cached data. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Quincey Koziol + * koziol@lbl.gov + * Jan 1 2017 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5F__flush_phase2(H5F_t *f, hid_t dxpl_id, hbool_t closing) +{ + H5F_io_info_t fio_info; /* I/O info for operation */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_STATIC + + /* Sanity check arguments */ + HDassert(f); + /* Flush the entire metadata cache */ if(H5AC_flush(f, dxpl_id) < 0) /* Push error, but keep going*/ @@ -1403,6 +1500,7 @@ H5F_flush(H5F_t *f, hid_t dxpl_id, hbool_t closing) /* Truncate the file to the current allocated size */ if(H5FD_truncate(f->shared->lf, dxpl_id, closing) < 0) + /* Push error, but keep going*/ HDONE_ERROR(H5E_FILE, H5E_WRITEERROR, FAIL, "low level truncate failed") /* Flush the entire metadata cache again since the EOA could have changed in the truncate call. */ @@ -1413,6 +1511,7 @@ H5F_flush(H5F_t *f, hid_t dxpl_id, hbool_t closing) /* Set up I/O info for operation */ fio_info.f = f; if(NULL == (fio_info.dxpl = (H5P_genplist_t *)H5I_object(dxpl_id))) + /* Push error, but keep going*/ HDONE_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "can't get property list") /* Flush out the metadata accumulator */ @@ -1425,6 +1524,43 @@ H5F_flush(H5F_t *f, hid_t dxpl_id, hbool_t closing) /* Push error, but keep going*/ HDONE_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "low level flush failed") + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5F__flush_phase2() */ + + +/*------------------------------------------------------------------------- + * Function: H5F_flush + * + * Purpose: Flushes cached data. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Robb Matzke + * matzke@llnl.gov + * Aug 29 1997 + * + *------------------------------------------------------------------------- + */ +herr_t +H5F_flush(H5F_t *f, hid_t dxpl_id, hbool_t closing) +{ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity check arguments */ + HDassert(f); + + /* First phase of flushing data */ + if(H5F__flush_phase1(f, dxpl_id) < 0) + /* Push error, but keep going*/ + HDONE_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to flush file data") + + /* Second phase of flushing data */ + if(H5F__flush_phase2(f, dxpl_id, closing) < 0) + /* Push error, but keep going*/ + HDONE_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to flush file data") + done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5F_flush() */ diff --git a/src/H5Fpkg.h b/src/H5Fpkg.h index 1adf74b..11665f4 100644 --- a/src/H5Fpkg.h +++ b/src/H5Fpkg.h @@ -259,6 +259,14 @@ struct H5F_file_t { * block is present. At all other times * it should be NULL. */ + hbool_t drvinfo_sb_msg_exists; /* Convenience field used to track + * whether the driver info superblock + * extension message has been created + * yet. This field should be TRUE iff the + * superblock extension exists and contains + * a driver info message. Under all other + * circumstances, it must be set to FALSE. + */ unsigned nrefs; /* Ref count for times file is opened */ unsigned flags; /* Access Permissions for file */ H5F_mtab_t mtab; /* File mount table */ diff --git a/src/H5Fprivate.h b/src/H5Fprivate.h index c099d32..bcc56c6 100644 --- a/src/H5Fprivate.h +++ b/src/H5Fprivate.h @@ -756,6 +756,7 @@ H5_DLL herr_t H5F_fake_free(H5F_t *f); /* Superblock related routines */ H5_DLL herr_t H5F_super_dirty(H5F_t *f); +H5_DLL herr_t H5F_eoa_dirty(H5F_t *f, hid_t dxpl_id); /* Parallel I/O (i.e. MPI) related routines */ #ifdef H5_HAVE_PARALLEL diff --git a/src/H5Fsuper.c b/src/H5Fsuper.c index 9e93394..893ce26 100644 --- a/src/H5Fsuper.c +++ b/src/H5Fsuper.c @@ -53,6 +53,7 @@ /* Local Prototypes */ /********************/ static herr_t H5F_super_ext_create(H5F_t *f, hid_t dxpl_id, H5O_loc_t *ext_ptr); +static herr_t H5F__update_super_ext_driver_msg(H5F_t *f, hid_t dxpl_id); /*********************/ @@ -222,6 +223,86 @@ done: /*------------------------------------------------------------------------- + * Function: H5F__update_super_ext_driver_msg + * + * Purpose: Update the superblock extension file driver info message if + * we are using a V 2 superblock. Observe that the function + * is a NO-OP if the file driver info message does not exist. + * This is necessary, as the function is called whenever the + * EOA is updated, and were it to create the file driver info + * message, it would find itself in an infinite recursion. + * + * Return: Success: SUCCEED + * Failure: FAIL + * + * Programmer: John Mainzer + * 11/10/15 + * + *------------------------------------------------------------------------- + */ +herr_t +H5F__update_super_ext_driver_msg(H5F_t *f, hid_t dxpl_id) +{ + H5F_super_t *sblock; /* Pointer to the super block */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_STATIC + + /* Sanity check */ + HDassert(f); + HDassert(f->shared); + sblock = f->shared->sblock; + HDassert(sblock); + HDassert(sblock->cache_info.magic == H5C__H5C_CACHE_ENTRY_T_MAGIC); + HDassert(sblock->cache_info.type == H5AC_SUPERBLOCK); + + /* Update the driver information message in the superblock extension + * if appropriate. + */ + if(sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2) { + if(H5F_addr_defined(sblock->ext_addr)) { + /* Check for ignoring the driver info for this file */ + if(!H5F_HAS_FEATURE(f, H5FD_FEAT_IGNORE_DRVRINFO)) { + size_t driver_size; /* Size of driver info block (bytes)*/ + + /* Check for driver info */ + H5_CHECKED_ASSIGN(driver_size, size_t, H5FD_sb_size(f->shared->lf), hsize_t); + + /* Nothing to do unless there is both driver info and + * the driver info superblock extension message has + * already been created. + */ + if(driver_size > 0) { + H5O_drvinfo_t drvinfo; /* Driver info */ + uint8_t dbuf[H5F_MAX_DRVINFOBLOCK_SIZE]; /* Driver info block encoding buffer */ + + /* Sanity check */ + HDassert(driver_size <= H5F_MAX_DRVINFOBLOCK_SIZE); + + /* Encode driver-specific data */ + if(H5FD_sb_encode(f->shared->lf, drvinfo.name, dbuf) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to encode driver information") + + /* Write the message to the superblock extension. + * + * Note that the superblock extension and the + * file driver info message must already exist. + */ + drvinfo.len = driver_size; + drvinfo.buf = dbuf; + if(H5F_super_ext_write_msg(f, dxpl_id, H5O_DRVINFO_ID, &drvinfo, FALSE) < 0) + HGOTO_ERROR(H5E_FILE, H5E_WRITEERROR, FAIL, "unable to update driver info header message") + } /* end if driver_size > 0 */ + } /* end if !H5F_HAS_FEATURE(f, H5FD_FEAT_IGNORE_DRVRINFO) */ + } /* end if superblock extension exists */ + } /* end if sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2 */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5F__update_super_ext_driver_msg() */ + + +/*------------------------------------------------------------------------- * Function: H5F__super_read * * Purpose: Reads the superblock from the file or from the BUF. If @@ -549,6 +630,9 @@ H5F__super_read(H5F_t *f, hid_t dxpl_id, hbool_t initial_read) /* Reset driver info message */ H5O_msg_reset(H5O_DRVINFO_ID, &drvinfo); + + HDassert(FALSE == f->shared->drvinfo_sb_msg_exists); + f->shared->drvinfo_sb_msg_exists = TRUE; } /* end else */ } /* end if */ @@ -844,8 +928,18 @@ H5F__super_init(H5F_t *f, hid_t dxpl_id) /* Compute the size of the driver information block */ H5_CHECKED_ASSIGN(driver_size, size_t, H5FD_sb_size(f->shared->lf), hsize_t); + + /* The following code sets driver_size to the valued needed + * for the driver info block, and sets the driver info block + * address regardless of the version of the superblock. + */ if(driver_size > 0) { - driver_size += H5F_DRVINFOBLOCK_HDR_SIZE; + /* Add in the driver info header, for older superblocks */ + /* Superblock versions >= 2 will put the driver info in a message + * and don't need the header -QAK, 1/4/2017 + */ + if(super_vers < HDF5_SUPERBLOCK_VERSION_2) + driver_size += H5F_DRVINFOBLOCK_HDR_SIZE; /* * The file driver information block begins immediately after the @@ -976,6 +1070,9 @@ H5F__super_init(H5F_t *f, hid_t dxpl_id) info.buf = dbuf; if(H5O_msg_create(&ext_loc, H5O_DRVINFO_ID, H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, &info, dxpl_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to update driver info header message") + + HDassert(FALSE == f->shared->drvinfo_sb_msg_exists); + f->shared->drvinfo_sb_msg_exists = TRUE; } /* end if */ /* Check for non-default free space settings */ @@ -1077,20 +1174,20 @@ done: /*------------------------------------------------------------------------- - * Function: H5F_super_dirty + * Function: H5F_eoa_dirty * - * Purpose: Mark the file's superblock dirty + * Purpose: Mark the file's EOA info dirty * * Return: Success: non-negative on success * Failure: Negative * * Programmer: Quincey Koziol - * August 14, 2009 + * January 4, 2017 * *------------------------------------------------------------------------- */ herr_t -H5F_super_dirty(H5F_t *f) +H5F_eoa_dirty(H5F_t *f, hid_t dxpl_id) { herr_t ret_value = SUCCEED; /* Return value */ @@ -1102,16 +1199,56 @@ H5F_super_dirty(H5F_t *f) HDassert(f->shared->sblock); /* Mark superblock dirty in cache, so change to EOA will get encoded */ - if(H5AC_mark_entry_dirty(f->shared->sblock) < 0) + if(H5F_super_dirty(f) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTMARKDIRTY, FAIL, "unable to mark superblock as dirty") - /* if the driver information block exists, mark it dirty as well + /* If the driver information block exists, mark it dirty as well * so that the change in eoa will be reflected there as well if * appropriate. */ - if ( f->shared->drvinfo ) + if(f->shared->drvinfo) { if(H5AC_mark_entry_dirty(f->shared->drvinfo) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTMARKDIRTY, FAIL, "unable to mark drvinfo as dirty") + } /* end if */ + /* If the driver info is stored as a message, update that instead */ + else if(f->shared->drvinfo_sb_msg_exists) { + if(H5F__update_super_ext_driver_msg(f, dxpl_id) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTMARKDIRTY, FAIL, "unable to mark drvinfo message as dirty") + } /* end if */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5F_eoa_dirty() */ + + +/*------------------------------------------------------------------------- + * Function: H5F_super_dirty + * + * Purpose: Mark the file's superblock dirty + * + * Return: Success: non-negative on success + * Failure: Negative + * + * Programmer: Quincey Koziol + * August 14, 2009 + * + *------------------------------------------------------------------------- + */ +herr_t +H5F_super_dirty(H5F_t *f) +{ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity check */ + HDassert(f); + HDassert(f->shared); + HDassert(f->shared->sblock); + + /* Mark superblock dirty in cache, so change to EOA will get encoded */ + if(H5AC_mark_entry_dirty(f->shared->sblock) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTMARKDIRTY, FAIL, "unable to mark superblock as dirty") done: FUNC_LEAVE_NOAPI(ret_value) diff --git a/src/H5Fsuper_cache.c b/src/H5Fsuper_cache.c index 236136a..fa893e1 100644 --- a/src/H5Fsuper_cache.c +++ b/src/H5Fsuper_cache.c @@ -74,9 +74,6 @@ static htri_t H5F__cache_superblock_verify_chksum(const void *image_ptr, size_t static void *H5F__cache_superblock_deserialize(const void *image, size_t len, void *udata, hbool_t *dirty); static herr_t H5F__cache_superblock_image_len(const void *thing, size_t *image_len); -static herr_t H5F__cache_superblock_pre_serialize(H5F_t *f, - hid_t dxpl_id, void *thing, haddr_t addr, size_t len, - haddr_t *new_addr, size_t *new_len, unsigned *flags); static herr_t H5F__cache_superblock_serialize(const H5F_t *f, void *image, size_t len, void *thing); static herr_t H5F__cache_superblock_free_icr(void *thing); @@ -115,7 +112,7 @@ const H5AC_class_t H5AC_SUPERBLOCK[1] = {{ H5F__cache_superblock_verify_chksum, /* 'verify_chksum' callback */ H5F__cache_superblock_deserialize, /* 'deserialize' callback */ H5F__cache_superblock_image_len, /* 'image_len' callback */ - H5F__cache_superblock_pre_serialize,/* 'pre_serialize' callback */ + NULL, /* 'pre_serialize' callback */ H5F__cache_superblock_serialize, /* 'serialize' callback */ NULL, /* 'notify' callback */ H5F__cache_superblock_free_icr, /* 'free_icr' callback */ @@ -653,120 +650,6 @@ H5F__cache_superblock_image_len(const void *_thing, size_t *image_len) /*------------------------------------------------------------------------- - * Function: H5FS__cache_superblock_pre_serialize - * - * Purpose: The current use of this function is a cludge to repair an - * oversight in the conversion of the superblock code to use the - * version 3 cache. - * - * In the V2 metadata cache callbacks, the superblock dirver info - * message was updated in the flush routine. Note that this - * operation only applies to version 2 or later superblocks. - * - * Somehow, this functionality was lost in the conversion to use - * the V3 cache, causing failures with the multi file driver - * (and possibly the family file driver as well). - * - * Performing this operation is impossible in the current - * serialize routine, as the dxpl_id is not available. While - * I am pretty sure that this is not the correct place for this - * functionality, as I can see it causing problems with both - * journaling and possibly parallel HDF5 as well, I am placing - * code for the necessary update in the pre_serialize call for - * now for testing purposes. We will almost certainly want to - * change this. - * - * Return: Success: SUCCEED - * Failure: FAIL - * - * Programmer: John Mainzer - * 10/82/14 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5F__cache_superblock_pre_serialize(H5F_t *f, hid_t dxpl_id, - void *_thing, haddr_t H5_ATTR_UNUSED addr, size_t H5_ATTR_UNUSED len, - haddr_t H5_ATTR_UNUSED *new_addr, size_t H5_ATTR_UNUSED *new_len, - unsigned H5_ATTR_UNUSED *flags) -{ - H5P_genplist_t *dxpl = NULL; /* DXPL for setting ring */ - H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */ - H5F_super_t *sblock = (H5F_super_t *)_thing; /* Pointer to the super block */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT - - /* Sanity check */ - HDassert(f); - HDassert(sblock); - HDassert(sblock->cache_info.magic == H5C__H5C_CACHE_ENTRY_T_MAGIC); - HDassert(sblock->cache_info.type == H5AC_SUPERBLOCK); - HDassert(flags); - - if(sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2) { - /* WARNING: This code almost certainly doesn't belong here. Must - * discuss with Quincey where to put it. Note issues - * for journaling and possibly parallel. - * - * -- JRM - */ - /* Update the driver information message in the superblock extension - * if appropriate. - */ - if(H5F_addr_defined(sblock->ext_addr)) { - size_t driver_size; /* Size of driver info block (bytes)*/ - H5O_loc_t ext_loc; /* "Object location" for superblock extension */ - - HDassert(sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2); - - /* Open the superblock extension's object header */ - if(H5F_super_ext_open((H5F_t *)f, sblock->ext_addr, &ext_loc) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTOPENOBJ, FAIL, "unable to open file's superblock extension") - - /* Check for ignoring the driver info for this file */ - if(!H5F_HAS_FEATURE(f, H5FD_FEAT_IGNORE_DRVRINFO)) { - /* Check for driver info message */ - H5_CHECKED_ASSIGN(driver_size, size_t, H5FD_sb_size(f->shared->lf), hsize_t); - if(driver_size > 0) { - H5O_drvinfo_t drvinfo; /* Driver info */ - uint8_t dbuf[H5F_MAX_DRVINFOBLOCK_SIZE]; /* Driver info block encoding buffer */ - - /* Sanity check */ - HDassert(driver_size <= H5F_MAX_DRVINFOBLOCK_SIZE); - - /* Encode driver-specific data */ - if(H5FD_sb_encode(f->shared->lf, drvinfo.name, dbuf) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to encode driver information") - - /* Set the ring type in the DXPL */ - if(H5AC_set_ring(dxpl_id, H5AC_RING_SBE, &dxpl, &orig_ring) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set ring value") - - /* Write driver info information to the superblock extension */ - drvinfo.len = driver_size; - drvinfo.buf = dbuf; - if(H5O_msg_write(&ext_loc, H5O_DRVINFO_ID, H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, &drvinfo, dxpl_id) < 0) - HGOTO_ERROR(H5E_FILE, H5E_WRITEERROR, FAIL, "unable to update driver info header message") - } /* end if */ - } /* end if */ - - /* Close the superblock extension object header */ - if(H5F_super_ext_close((H5F_t *)f, &ext_loc, dxpl_id, FALSE) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEOBJ, FAIL, "unable to close file's superblock extension") - } /* end if */ - } /* end if */ - -done: - /* Reset the ring in the DXPL */ - if(H5AC_reset_ring(dxpl, orig_ring) < 0) - HDONE_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set property value") - - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5FS_cache_superblock_pre_serialize() */ - - -/*------------------------------------------------------------------------- * Function: H5F__cache_superblock_serialize * * Purpose: Flushes a dirty object to disk. @@ -863,14 +863,14 @@ HDfprintf(stderr, "%s: Entering: alloc_type = %u, addr = %a, size = %Hu, extra_r reset_ring = TRUE; /* Check if the block is exactly at the end of the file */ - if((ret_value = H5FD_try_extend(f->shared->lf, map_type, f, end, extra_requested)) < 0) + if((ret_value = H5FD_try_extend(f->shared->lf, map_type, f, dxpl_id, end, extra_requested)) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTEXTEND, FAIL, "error extending file") else if(ret_value == FALSE) { H5F_blk_aggr_t *aggr; /* Aggregator to use */ /* Check for test block able to extend aggregation block */ aggr = (map_type == H5FD_MEM_DRAW) ? &(f->shared->sdata_aggr) : &(f->shared->meta_aggr); - if((ret_value = H5MF_aggr_try_extend(f, aggr, map_type, end, extra_requested)) < 0) + if((ret_value = H5MF_aggr_try_extend(f, dxpl_id, aggr, map_type, end, extra_requested)) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTEXTEND, FAIL, "error extending aggregation block") else if(ret_value == FALSE) { @@ -1246,6 +1246,632 @@ done: /*------------------------------------------------------------------------- + * Function: H5MF_settle_raw_data_fsm() + * + * Purpose: Handle any tasks required before the metadata cache + * can serialize or flush the raw data free space manager + * and any metadata free space managers that reside in the + * raw data free space manager ring. + * + * Specifically, any metadata managers that DON'T handle + * space allocation for free space manager header or section + * info will reside in the raw data free space manager ring. + * As of this writing, the plan is to move to only two free space + * managers, one for raw data and one for metadata -- which + * means that only the raw data free space manager will reside + * in the free space manager ring. However, this has not been + * fully implemented yet, so this code must support the + * possibilty of multiple metadata free space managers, at most + * two of which handle free space manager header or section info, + * and thus reside in the metadata free space manager ring. + * + * At present, the task list is: + * + * 1) Reduce the EOA to the extent possible. To do this: + * + * a) Free both aggregators. Space not at EOA will be + * added to the appropriate free space manager. + * + * The raw data aggregator should not be restarted + * after this point. It is possible that the metadata + * aggregator will be. + * + * b) Free all file space currently allocated to free + * space managers. + * + * c) Delete the free space manager superblock + * extension message if allocated. + * + * This done, reduce the EOA by moving it to just before + * the last piece of free memory in the file. + * + * 2) Ensure that space is allocated for the free space + * manager superblock extension message. Must do this + * now, before reallocating file space for free space + * managers, as it is possible that this allocation may + * grab the last section in a FSM -- making it unnecessary + * to re-allocate file space for it. + * + * 3) Scan all free space managers not involved in allocating + * space for free space managers. For each such free space + * manager, test to see if it contains free space. If + * it does, allocate file space for its header and section + * data. If it contains no free space, leave it without + * allocated file space as there is no need to save it to + * file. + * + * Note that all free space managers in this class should + * see no further space allocations / deallocations as + * at this point, all raw data allocations should be + * finalized, as should all metadata allocations not + * involving free space managers. + * + * We will allocate space for free space managers involved + * in the allocation of file space for free space managers + * in H5MF_settle_meta_data_fsm() + * Return: SUCCEED/FAIL + * + * Programmer: John Mainzer + * 5/25/16 + * + *------------------------------------------------------------------------- + */ +herr_t +H5MF_settle_raw_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled) +{ + H5P_genplist_t *dxpl = NULL; /* DXPL for setting ring */ + H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */ + hbool_t reset_ring = FALSE; /* Whether the ring was set */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI_TAG(dxpl_id, H5AC__FREESPACE_TAG, FAIL) + + /* check args */ + HDassert(f); + HDassert(f->shared); + HDassert(fsm_settled); + + /* Only need to settle things if we are persisting the free space info */ + if(f->shared->fs_strategy == H5F_FILE_SPACE_ALL_PERSIST) { + H5O_fsinfo_t fsinfo; /* Free space manager info message */ + H5FD_mem_t type; /* Memory type for iteration */ + H5AC_ring_t curr_ring = H5AC_RING_INV; /* Current ring value */ + H5AC_ring_t needed_ring = H5AC_RING_INV; /* Ring value needed for this iteration */ + hbool_t fsm_opened[H5FD_MEM_NTYPES]; /* State of FSM */ + hbool_t fsm_visited[H5FD_MEM_NTYPES]; /* State of FSM */ + + /* Initialize fsm_opened and fsm_visited */ + HDmemset(fsm_opened, 0, sizeof(fsm_opened)); + HDmemset(fsm_visited, 0, sizeof(fsm_visited)); + + /* 1) Reduce the EOA to the extent possible. */ + + /* a) Free the space in aggregators: + * + * (for space not at EOF, it may be put into free space managers) + * + * Do this now so that the raw data FSM (and any other FSM that isn't + * involved in space allocation for FSMs) will have no further activity. + * + * Note that while the raw data aggregator should not be restarted during + * the close process, this need not be the case for the metadata aggregator. + */ + if(H5MF_free_aggrs(f, dxpl_id) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "can't free aggregators") + + /* Set the ring type in the DXPL. In most cases, we will + * need H5AC_RING_MDFSM first, so initialy set the ring in + * the DXPL to that value. We will alter this later if + * needed. + */ + if(H5AC_set_ring(dxpl_id, H5AC_RING_MDFSM, &dxpl, &orig_ring) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTSET, FAIL, "unable to set ring value(0)") + reset_ring = TRUE; + curr_ring = H5AC_RING_MDFSM; + + /* b) Free the file space (if any) allocated to each free space manager. + * + * Do this to facilitate reduction of the size of the file to the + * extent possible. We will re-allocate space to free space managers + * that have free space to save after this reduction. + * + * In the case of the raw data free space manager, and any other free + * space manager that does not allocate space for free space managers, + * allocations should be complete at this point, as all raw data should + * have space allocated and be flushed to file at this point. Thus we + * can examine such free space managers and only re-allocate space for + * them if they contain free space. Do this later in this function after + * the EOA has been reduced to the extent possible. + * + * For free space managers that allocate file space for free space + * managers (usually just a single metadata free space manager, but for + * now at least, free space managers for different types of metadata + * are possible), the matter is more ticklish due to the self- + * referential nature of the problem. These FSMs are dealt with in + * H5MF_settle_meta_data_fsm(). + */ + for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { + H5FS_stat_t fs_stat; /* Information for free-space manager */ + H5FD_mem_t fsm_type; /* File memory type for FSM */ + + /* There is potentially a many-to-one mapping from memory types to + * free space managers. Use the fsm_visited[] array to avoid visiting + * a given FSM more than once. Use fsm_opened[] to track which FSMs + * must be closed at the end of this function. + */ + fsm_type = H5MF_ALLOC_TO_FS_TYPE(f, type); + if(!fsm_visited[fsm_type]) { + fsm_visited[fsm_type] = TRUE; + + /* If there is no active FSM for this type, but such a FSM has + * space allocated in file, open it so that we can free its file + * space. + */ + if(NULL == f->shared->fs_man[fsm_type]) { + if(H5F_addr_defined(f->shared->fs_addr[fsm_type])) { + /* Sanity check */ + HDassert(fsm_opened[fsm_type] == FALSE); + + /* Start up FSM for the file memory type */ + if(H5MF__alloc_open(f, dxpl_id, fsm_type) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTINIT, FAIL, "can't initialize file free space manager") + fsm_opened[fsm_type] = TRUE; + } /* end if */ + } /* end if */ + + /* Check for an actual FSM for this type now */ + /* (Possibly opened in previous step) */ + if(f->shared->fs_man[fsm_type]) { + /* Test to see if we need to switch rings -- do so if required */ + if((fsm_type == H5MF_ALLOC_TO_FS_TYPE(f, H5FD_MEM_FSPACE_HDR)) + || (fsm_type == H5MF_ALLOC_TO_FS_TYPE(f, H5FD_MEM_FSPACE_SINFO))) + needed_ring = H5AC_RING_MDFSM; + else + needed_ring = H5AC_RING_RDFSM; + if(needed_ring != curr_ring) { + if(H5AC_set_ring(dxpl_id, needed_ring, &dxpl, &curr_ring)< 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTSET, FAIL, "unable to set ring value.") + curr_ring = needed_ring; + } /* end if */ + + /* Query free space manager info for this type */ + if(H5FS_stat_info(f, f->shared->fs_man[fsm_type], &fs_stat) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "can't get free-space info") + + /* Check if the free space manager has space in the file */ + if(H5F_addr_defined(fs_stat.addr) || H5F_addr_defined(fs_stat.sect_addr)) { + /* Delete the free space manager in the file. Will + * reallocate later if the free space manager contains + * any free space. + */ + if(H5FS_free(f, f->shared->fs_man[fsm_type], dxpl_id) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "can't release free-space headers") + f->shared->fs_addr[fsm_type] = HADDR_UNDEF; + } /* end if */ + } /* end if */ + + /* note that we are tracking opened FSM -- we will close them + * at the end of the function. + */ + } /* end if */ + } /* end for */ + + /* c) Delete the free space manager superblock extension message + * if allocated. + * + * Must do this since the routine that writes / creates superblock + * extension messages will choke if the target message is + * unexpectedly either absent or present. + */ + if(H5F_addr_defined(f->shared->sblock->ext_addr)) + if(H5F_super_ext_remove_msg(f, dxpl_id, H5O_FSINFO_ID) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "error in removing message from superblock extension") + + /* As the final element in 1), shrink the EOA for the file */ + if(H5MF__close_shrink_eoa(f, dxpl_id) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTSHRINK, FAIL, "can't shrink eoa") + + + /* 2) Ensure that space is allocated for the free space manager superblock + * extension message. Must do this now, before reallocating file space + * for free space managers, as it is possible that this allocation may + * grab the last section in a FSM -- making it unnecessary to + * re-allocate file space for it. + * + * Do this by writing a free space manager superblock extension message. + * + * Since no free space manager has file space allocated for it, this + * message must be invalid since we can't save addresses of FSMs when + * those addresses are unknown. This is OK -- we will write the correct + * values to the message at free space manager shutdown. + */ + for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) + fsinfo.fs_addr[type-1] = HADDR_UNDEF; + fsinfo.strategy = f->shared->fs_strategy; + fsinfo.threshold = f->shared->fs_threshold; + if(H5F_super_ext_write_msg(f, dxpl_id, H5O_FSINFO_ID, &fsinfo, TRUE) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_WRITEERROR, FAIL, "error in writing message to superblock extension") + + + /* 3) Scan all free space managers not involved in allocating + * space for free space managers. For each such free space + * manager, test to see if it contains free space. If + * it does, allocate file space for its header and section + * data. If it contains no free space, leave it without + * allocated file space as there is no need to save it to + * file. + * + * Note that all free space managers in this class should + * see no further space allocations / deallocations as + * at this point, all raw data allocations should be + * finalized, as should all metadata allocations not involving + * free space managers. + * + * We will allocate space for free space managers involved + * in the allocation of file space for free space managers + * in H5MF_settle_meta_data_fsm() + */ + + /* Reinitialize fsm_visited */ + HDmemset(fsm_visited, 0, sizeof(fsm_visited)); + + for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { + H5FD_mem_t fsm_type; /* File memory type for FSM */ + + fsm_type = H5MF_ALLOC_TO_FS_TYPE(f, type); + + /* test to see if we need to switch rings -- do so if required */ + if((fsm_type == H5MF_ALLOC_TO_FS_TYPE(f, H5FD_MEM_FSPACE_HDR)) + || (fsm_type == H5MF_ALLOC_TO_FS_TYPE(f, H5FD_MEM_FSPACE_SINFO))) + needed_ring = H5AC_RING_MDFSM; + else + needed_ring = H5AC_RING_RDFSM; + + if(needed_ring != curr_ring) { + if(H5AC_set_ring(dxpl_id, needed_ring, &dxpl, &curr_ring)< 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTSET, FAIL, "unable to set ring value.") + curr_ring = needed_ring; + } /* end if */ + + /* Since there can be a many-to-one mapping from memory types + * to free space managers, ensure that we don't visit any FSM + * more than once. + */ + if(!fsm_visited[fsm_type]) { + fsm_visited[fsm_type] = TRUE; + + if(f->shared->fs_man[fsm_type]) { + /* Only allocate file space if the target free space manager + * doesn't allocate file space for free space managers. Note + * that this is also the deciding factor as to whether a FSM + * in in the raw data FSM ring. + */ + if((fsm_type != H5MF_ALLOC_TO_FS_TYPE(f, H5FD_MEM_FSPACE_HDR)) + && (fsm_type != H5MF_ALLOC_TO_FS_TYPE(f, H5FD_MEM_FSPACE_SINFO))) { + H5FS_stat_t fs_stat; /* Information for free-space manager */ + + /* The current ring should be H5AC_RING_RDFSM */ + HDassert(curr_ring == H5AC_RING_RDFSM); + + /* Query free space manager info for this type */ + if(H5FS_stat_info(f, f->shared->fs_man[fsm_type], &fs_stat) < 0 ) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "can't get free-space info") + + /* If the free space manager contains section info, + * allocate space for the header and sinfo (note that + * space must not be allocated at present -- verify + * verify this with assertions). + */ + if(fs_stat.serial_sect_count > 0) { + /* Sanity check */ + HDassert(!H5F_addr_defined(fs_stat.addr)); + + /* Allocate FSM header */ + if(H5FS_alloc_hdr(f, f->shared->fs_man[fsm_type], &f->shared->fs_addr[fsm_type], dxpl_id) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTALLOC, FAIL, "can't allocated free-space header") + + /* Allocate FSM section info */ + HDassert(!H5F_addr_defined(fs_stat.sect_addr)); + HDassert(fs_stat.alloc_sect_size == 0); + if(H5FS_alloc_sect(f, f->shared->fs_man[fsm_type], dxpl_id) < 0 ) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTALLOC, FAIL, "can't allocate free-space section info") + +#ifndef NDEBUG + /* Re-Query free space manager info for this type */ + if(H5FS_stat_info(f, f->shared->fs_man[fsm_type], &fs_stat) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "can't get free-space info") + + HDassert(H5F_addr_defined(fs_stat.addr)); + HDassert(H5F_addr_defined(fs_stat.sect_addr)); + HDassert(fs_stat.serial_sect_count > 0); + HDassert(fs_stat.alloc_sect_size > 0); + HDassert(fs_stat.alloc_sect_size == fs_stat.sect_size); +#endif /* NDEBUG */ + } /* end if */ + else { + HDassert(!H5F_addr_defined(fs_stat.addr)); + HDassert(!H5F_addr_defined(fs_stat.sect_addr)); + HDassert(fs_stat.serial_sect_count == 0); + HDassert(fs_stat.alloc_sect_size == 0); + } /* end else */ + } /* end if */ + } /* end if */ + + /* Close any opened FSMs */ + if(fsm_opened[fsm_type]) { + if(H5MF__alloc_close(f, dxpl_id, fsm_type) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTINIT, FAIL, "can't close file free space manager") + fsm_opened[fsm_type] = FALSE; + } /* end if */ + } /* end if */ + } /* end for */ + + /* verify that all opened FSMs were closed */ + for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) + HDassert(!fsm_opened[type]); + + /* Indicate that the FSM was settled successfully */ + *fsm_settled = TRUE; + } /* end if */ + +done: + /* Reset the ring in the DXPL */ + if(reset_ring) + if(H5AC_reset_ring(dxpl, orig_ring) < 0) + HDONE_ERROR(H5E_FSPACE, H5E_CANTSET, FAIL, "unable to set property value") + + FUNC_LEAVE_NOAPI_TAG(ret_value, FAIL) +} /* H5MF_settle_raw_data_fsm() */ + + +/*------------------------------------------------------------------------- + * Function: H5MF_settle_meta_data_fsm() + * + * Purpose: If the free space manager is persistent, handle any tasks + * required before the metadata cache can serialize or flush + * the metadata free space manager(sI) that handle file space + * allocation for free space managers. + * + * In most cases, there will be only one manager assigned + * to this role. However, since for reason or reason unknown, + * free space manager headers and section info blocks are + * different classes of memory, it is possible that two free + * space managers will be involved. + * + * On entry to this function, the raw data settle routine + * (H5MF_settle_raw_data_fsm()) should have: + * + * 1) Freed the accumulators. + * + * 2) Freed all file space allocated to the free space managers. + * + * 3) Deleted the free space manager superblock extension message + * + * 4) Reduced the EOA to the extent possible. + * + * 5) Re-created the free space manager superblock extension + * message. + * + * 6) Reallocated file space for all non-empty free space + * managers NOT involved in allocation of space for free + * space managers. + * + * Note that these free space managers (if not empty) should + * have been written to file by this point, and that no + * further space allocations involving them should take + * place during file close. + * + * On entry to this routine. the free space manager(s) involved + * in allocation of file space for free space managers should + * still be floating. (i.e. should not have any file space + * allocated to them.) + * + * Similarly, the raw data aggregator should not have been + * restarted. Note that it is probable that reallocation of + * space in 5) and 6) above will have re-started the metadata + * aggregator. + * + * + * In this routine, we proceed as follows: + * + * 1) Verify that the free space manager(s) involved in file + * space allocation for free space managers are still floating. + * + * 2) Free the accumulators. + * + * 3) Reduce the EOA to the extent possible. + * + * 4) Re-allocate space for any free space manager(s) that: + * + * a) are involved in allocation of space for free space + * managers, and + * + * b) contain free space. + * + * It is possible that we could allocate space for one + * of these free space manager(s) only to have the allocation + * result in the free space manager being empty and thus + * obliging us to free the space again. Thus there is the + * potential for an infinte loop if we want to avoid saving + * empty free space managers. + * + * Similarly, it is possible that we could allocate space + * for a section info block, only to discover that this + * allocation has changed the size of the section info -- + * forcing us to deallocate and start the loop over again. + * + * To avoid this, simply allocate file space for these + * FSM(s) directly from the VFD layer if allocation is + * indicated. This avoids the issue by bypassing the FSMs + * in this case. + * + * Note that this may increase the size of the file needlessly. + * A better solution would be to modify the FSM code to + * save empty FSMs to file, and to allow section info blocks + * to be oversized. However, given that the FSM code is + * also used by the fractal heaps, and that we are under + * severe time pressure at the moment, the above brute + * force solution is attractive. + * + * Return: SUCCEED/FAIL + * + * Programmer: John Mainzer + * 5/25/16 + * + *------------------------------------------------------------------------- + */ +herr_t +H5MF_settle_meta_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled) +{ + H5P_genplist_t *dxpl = NULL; /* DXPL for setting ring */ + H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */ + hbool_t reset_ring = FALSE; /* Whether we set the ring */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI_TAG(dxpl_id, H5AC__FREESPACE_TAG, FAIL) + + /* Check args */ + HDassert(f); + HDassert(f->shared); + HDassert(fsm_settled); + + /* Only need to settle things if we are persisting the free space info */ + if(f->shared->fs_strategy == H5F_FILE_SPACE_ALL_PERSIST) { + H5FS_t *hdr_fspace; /* Ptr to FSM hdr alloc FSM */ + H5FS_t *sinfo_fspace; /* Ptr to FSM sinfo alloc FSM */ + H5FS_stat_t fs_stat; /* Information for FSM */ + H5FD_mem_t hdr_fsm_alloc_type; /* FSM hdr alloc type */ + H5FD_mem_t sinfo_fsm_alloc_type; /* FSM info alloc type */ + + /* Get the file memory types for the FSM header & section info */ + hdr_fsm_alloc_type = H5MF_ALLOC_TO_FS_TYPE(f, H5FD_MEM_FSPACE_HDR); + sinfo_fsm_alloc_type = H5MF_ALLOC_TO_FS_TYPE(f, H5FD_MEM_FSPACE_SINFO); + + /* Sanity checks */ + HDassert(hdr_fsm_alloc_type > H5FD_MEM_NOLIST); + HDassert(hdr_fsm_alloc_type < H5FD_MEM_NTYPES); + HDassert(sinfo_fsm_alloc_type > H5FD_MEM_NOLIST); + HDassert(sinfo_fsm_alloc_type < H5FD_MEM_NTYPES); + HDassert(!H5F_addr_defined(f->shared->fs_addr[hdr_fsm_alloc_type])); + HDassert(!H5F_addr_defined(f->shared->fs_addr[sinfo_fsm_alloc_type])); + + /* Note that in most cases, hdr_fspace will equal sinfo_fspace. */ + hdr_fspace = f->shared->fs_man[hdr_fsm_alloc_type]; + sinfo_fspace = f->shared->fs_man[sinfo_fsm_alloc_type]; + + /* Set the ring in the dxpl appropriately for subsequent calls */ + if(H5AC_set_ring(dxpl_id, H5AC_RING_MDFSM, &dxpl, &orig_ring) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTSET, FAIL, "unable to set ring value") + reset_ring = TRUE; + +#ifndef NDEBUG + /* Verify that hdr_fspace is floating if it exists */ + if(hdr_fspace) { + /* Query free space manager info for this type */ + if(H5FS_stat_info(f, hdr_fspace, &fs_stat) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTGET, FAIL, "can't get free-space info") + + HDassert(!H5F_addr_defined(fs_stat.addr)); + HDassert(!H5F_addr_defined(fs_stat.sect_addr)); + HDassert(fs_stat.alloc_sect_size == 0); + } /* end if */ + + /* Verify that sinfo_fspace is floating if it exists */ + if((sinfo_fspace) && (hdr_fspace != sinfo_fspace)) { + /* Query free space manager info for this type */ + if(H5FS_stat_info(f, sinfo_fspace, &fs_stat) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTGET, FAIL, "can't get free-space info") + + HDassert(!H5F_addr_defined(fs_stat.addr)); + HDassert(!H5F_addr_defined(fs_stat.sect_addr)); + HDassert(fs_stat.alloc_sect_size == 0); + } /* end if */ +#endif /* NDEBUG */ + + /* Free the space in the metadata aggregator. Do this via the + * H5MF_free_aggrs() call. Note that the raw data aggregator must + * have already been freed. Sanity checks for this? + */ + /* (for space not at EOF, it may be put into free space managers) */ + if(H5MF_free_aggrs(f, dxpl_id) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "can't free aggregators") + + /* Trying shrinking the EOA for the file */ + if(H5MF__close_shrink_eoa(f, dxpl_id) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTSHRINK, FAIL, "can't shrink eoa") + + /* ******************* PROBLEM: ******************** + * + * If the file has an alignement other than 1, and if + * the EOA is not a multiple of this alignment, allocating sapce + * for the section via the VFD info has the potential of generating + * a fragment that will be added to the free space manager. This + * of course undoes everything we have been doing here. + * + * Need a way around this. Obvious solution is to force the EOA to + * be a multiple of the alignment. + * + * Fortunately, alignment is typically 1, so this is a non-issue in + * most cases. In cases where the alignment is not 1, for now we + * have decided to drop the fragment on the floor. + * + * Eventually, we should fix this by modifying the on disk representations + * of free space managers to allow for empty space, so as to bypass the + * issues created by self-referential free space managers, and make + * this issue moot. + */ + /* HDassert(f->shared->alignment == 1); */ + + + /* The free space manager(s) that handle space allocations for free + * space managers should be settled now, albeit without file space + * allocated to them. To avoid the possibility of changing the sizes + * of their section info blocks, allocate space for them now at the + * end of file via H5FD_alloc(). + * + * In the past, this issue of allocating space without touching the + * free space managers has been deal with by calling + * H5MF_aggr_vfd_alloc(), which in turn calls H5MF_aggr_alloc(). + * This is problematic since (if I read the code correctly) it will + * re-constitute the metadata aggregator, which will add any left + * over space to one of the free space managers when freed. + * + * This is a non-starter, since the entire objective is to settle the + * free space managers. + * + * Hence the decision to call H5FD_alloc() directly. + * + * As discussed in PROBLEM above, if f->shared->alignment is not 1, + * this has the possibility of generating a fragment of file space + * that would typically be inserted into one of the free space managers. + * + * This is isn't good, but due to schedule pressure, we will just drop + * the fragement on the floor for now. + */ + if(hdr_fspace) + if(H5FS_alloc_vfd_alloc_hdr_and_section_info(f, dxpl_id, hdr_fspace, + &(f->shared->fs_addr[hdr_fsm_alloc_type])) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTALLOC, FAIL, "can't vfd allocate hdr FSM file space") + + if(sinfo_fspace && (sinfo_fspace != hdr_fspace)) + if(H5FS_alloc_vfd_alloc_hdr_and_section_info(f, dxpl_id, sinfo_fspace, + &(f->shared->fs_addr[sinfo_fsm_alloc_type])) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTALLOC, FAIL, "can't vfd allocate sinfo FSM file space") + + /* Indicate that the FSM was settled successfully */ + *fsm_settled = TRUE; + } /* end if */ + +done: + if(reset_ring) + if(H5AC_reset_ring(dxpl, orig_ring) < 0) + HDONE_ERROR(H5E_FSPACE, H5E_CANTSET, FAIL, "unable to set property value") + + FUNC_LEAVE_NOAPI(ret_value) +} /* H5MF_settle_meta_data_fsm() */ + + +/*------------------------------------------------------------------------- * Function: H5MF__close_delete * * Purpose: Common code for closing and deleting freespace managers from @@ -1462,80 +2088,33 @@ HDfprintf(stderr, "%s: Entering\n", FUNC); if(f->shared->sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2 && f->shared->fs_strategy == H5F_FILE_SPACE_ALL_PERSIST) { H5O_fsinfo_t fsinfo; /* Free space manager info message */ - hbool_t update = FALSE; /* To update info for the message */ - /* Check to remove free-space manager info message from superblock extension */ - if(H5F_addr_defined(f->shared->sblock->ext_addr)) - if(H5F_super_ext_remove_msg(f, dxpl_id, H5O_FSINFO_ID) < 0) - HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "error in removing message from superblock extension") + /* Superblock extension and free space manager message should + * exist at this point -- verify at least the former. + */ + HDassert(H5F_addr_defined(f->shared->sblock->ext_addr)); - /* Free free-space manager header and/or section info header */ - for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { - H5FS_stat_t fs_stat; /* Information for free-space manager */ - - /* Check for free space manager of this type */ - if(f->shared->fs_man[type]) { - /* Switch to "about to be deleted" state */ - f->shared->fs_state[type] = H5F_FS_STATE_DELETING; - - /* Query the free space manager's information */ - if(H5FS_stat_info(f, f->shared->fs_man[type], &fs_stat) < 0) - HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't get free-space info") - - /* Check if the free space manager has space in the file */ - if(H5F_addr_defined(fs_stat.addr) || H5F_addr_defined(fs_stat.sect_addr)) { - /* Delete the free space manager in the file */ - /* (will re-allocate later) */ - if(H5FS_free(f, f->shared->fs_man[type], dxpl_id) < 0) - HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't release free-space headers") - f->shared->fs_addr[type] = HADDR_UNDEF; - } /* end if */ - } /* end iif */ - fsinfo.fs_addr[type-1] = HADDR_UNDEF; - } /* end for */ + /* Note that unlike the previous version of this code, we do not + * delete free space managers that have no section to store. + * + * Can't do this, as that would involve freeing file space, which would + * dirty the free space manager in question. + * + * Fortunately, the code doesn't seem to care about this. + */ + /* Gather data for the free space manager superblock extension message. + * + * In passing, verify that all the free space managers are closed. + */ + for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) + fsinfo.fs_addr[type - 1] = f->shared->fs_addr[type]; fsinfo.strategy = f->shared->fs_strategy; fsinfo.threshold = f->shared->fs_threshold; - /* Write free-space manager info message to superblock extension object header */ - /* Create the superblock extension object header in advance if needed */ - if(H5F_super_ext_write_msg(f, dxpl_id, H5O_FSINFO_ID, &fsinfo, TRUE) < 0) - HGOTO_ERROR(H5E_RESOURCE, H5E_WRITEERROR, FAIL, "error in writing message to superblock extension") - - /* Re-allocate free-space manager header and/or section info header */ - for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { - H5FS_stat_t fs_stat; /* Information for free-space manager */ - - /* Check for active free space manager of this type */ - if(f->shared->fs_man[type]) { - /* Re-query free space manager info for this type */ - if(H5FS_stat_info(f, f->shared->fs_man[type], &fs_stat) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "can't get free-space info") - - /* Are there sections to persist? */ - if(fs_stat.serial_sect_count) { - /* Allocate space for free-space manager header */ - if(H5FS_alloc_hdr(f, f->shared->fs_man[type], &f->shared->fs_addr[type], dxpl_id) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_NOSPACE, FAIL, "can't allocated free-space header") - - /* Allocate space for free-space maanger section info header */ - if(H5FS_alloc_sect(f, f->shared->fs_man[type], dxpl_id) < 0) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate free-space section info") - - HDassert(f->shared->fs_addr[type]); - fsinfo.fs_addr[type-1] = f->shared->fs_addr[type]; - update = TRUE; - } /* end if */ - } else if(H5F_addr_defined(f->shared->fs_addr[type])) { - fsinfo.fs_addr[type-1] = f->shared->fs_addr[type]; - update = TRUE; - } /* end else-if */ - } /* end for */ - - /* Update the free space manager info message in superblock extension object header */ - if(update) - if(H5F_super_ext_write_msg(f, dxpl_id, H5O_FSINFO_ID, &fsinfo, FALSE) < 0) - HGOTO_ERROR(H5E_RESOURCE, H5E_WRITEERROR, FAIL, "error in writing message to superblock extension") + /* Write the free space manager message -- message must already exist */ + if(H5F_super_ext_write_msg(f, dxpl_id, H5O_FSINFO_ID, &fsinfo, FALSE) < 0) + HGOTO_ERROR(H5E_RESOURCE, H5E_WRITEERROR, FAIL, "error in writing message to superblock extension") /* Final close of free-space managers */ for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { @@ -1564,6 +2143,11 @@ HDfprintf(stderr, "%s: Entering\n", FUNC); f->shared->fs_addr[type] = HADDR_UNDEF; } /* end for */ + /* Verify that we haven't dirtied any metadata cache entries + * from the metadata free space manager ring out. + */ + HDassert(H5AC_cache_is_clean(f, H5AC_RING_MDFSM)); + /* Verify that the aggregators are still shutdown. */ HDassert(f->shared->sdata_aggr.tot_size == 0); HDassert(f->shared->sdata_aggr.addr == 0); diff --git a/src/H5MFaggr.c b/src/H5MFaggr.c index 8faff0d..7b5a298 100644 --- a/src/H5MFaggr.c +++ b/src/H5MFaggr.c @@ -78,6 +78,83 @@ static herr_t H5MF_aggr_free(H5F_t *f, hid_t dxpl_id, H5FD_mem_t type, /*------------------------------------------------------------------------- + * Function: H5MF_vfd_alloc + * + * Purpose: Allocate SIZE bytes of file memory via H5FD_alloc() and return + * the relative address where that contiguous chunk of file memory + * exists. + * The TYPE argument describes the purpose for which the storage + * is being requested. + * + * Return: Success: The file address of new chunk. + * Failure: HADDR_UNDEF + * + * Programmer: Quincey Koziol + * January 2, 2017 + * + *------------------------------------------------------------------------- + */ +haddr_t +H5MF_vfd_alloc(H5F_t *f, hid_t dxpl_id, H5FD_mem_t alloc_type, hsize_t size, + hbool_t keep_fragment) +{ + haddr_t eoa; /* Initial EOA for the file */ + haddr_t eoa_frag_addr = HADDR_UNDEF; /* Address of fragment at EOA */ + hsize_t eoa_frag_size = 0; /* Size of fragment at EOA */ + haddr_t ret_value = HADDR_UNDEF; /* Return value */ + + FUNC_ENTER_NOAPI(HADDR_UNDEF) +#ifdef H5MF_ALLOC_DEBUG +HDfprintf(stderr, "%s: alloc_type = %u, size = %Hu\n", FUNC, (unsigned)alloc_type, size); +#endif /* H5MF_ALLOC_DEBUG */ + + /* check arguments */ + HDassert(f); + HDassert(f->shared); + HDassert(f->shared->lf); + HDassert(size > 0); + + /* Get the EOA for the file -- need for sanity check below */ + if(HADDR_UNDEF == (eoa = H5F_get_eoa(f, alloc_type))) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTGET, HADDR_UNDEF, "Unable to get eoa") + + /* Check for overlap into temporary allocation space */ + if(H5F_addr_gt((eoa + size), f->shared->tmp_addr)) + HGOTO_ERROR(H5E_FSPACE, H5E_BADRANGE, HADDR_UNDEF, "hdr file space alloc will overlap into 'temporary' file space") + + /* Allocate space for the header */ + if(HADDR_UNDEF == (ret_value = H5FD_alloc(f->shared->lf, dxpl_id, alloc_type, f, size, &eoa_frag_addr, &eoa_frag_size))) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTALLOC, HADDR_UNDEF, "can't allocate file space for hdr") + + /* Sanity check for overlapping into file's temporary allocation space */ + HDassert(H5F_addr_le((ret_value + size), f->shared->tmp_addr)); + + /* If the file alignment is 1, there should be no eoa fragment */ + HDassert((eoa_frag_size == 0) || (f->shared->alignment != 1)); + + /* Check if fragment was generated and we want to keep it */ + if(keep_fragment && eoa_frag_size > 0) { + /* Sanity check */ + HDassert(H5F_addr_defined(eoa_frag_addr)); + + /* Put fragment on the free list */ + if(H5MF_xfree(f, alloc_type, dxpl_id, eoa_frag_addr, eoa_frag_size) < 0) + HGOTO_ERROR(H5E_RESOURCE, H5E_CANTFREE, HADDR_UNDEF, "can't free eoa fragment") + } /* end if */ + +done: +#ifdef H5MF_ALLOC_DEBUG +HDfprintf(stderr, "%s: Leaving: ret_value = %a, size = %Hu\n", FUNC, ret_value, size); +#endif /* H5MF_ALLOC_DEBUG */ +#ifdef H5MF_ALLOC_DEBUG_DUMP +H5MF_sects_dump(f, dxpl_id, stderr); +#endif /* H5MF_ALLOC_DEBUG_DUMP */ + + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5MF_vfd_alloc() */ + + +/*------------------------------------------------------------------------- * Function: H5MF_aggr_vfd_alloc * * Purpose: Allocate SIZE bytes of file memory via H5MF_aggr_alloc() @@ -221,7 +298,7 @@ HDfprintf(stderr, "%s: aggr = {%a, %Hu, %Hu}\n", FUNC, aggr->addr, aggr->tot_siz if(H5F_addr_gt((aggr->addr + aggr->size + ext_size), f->shared->tmp_addr)) HGOTO_ERROR(H5E_RESOURCE, H5E_BADRANGE, HADDR_UNDEF, "'normal' file space allocation request will overlap into 'temporary' file space") - if((aggr->addr > 0) && (was_extended = H5FD_try_extend(f->shared->lf, alloc_type, f, aggr->addr + aggr->size, ext_size)) < 0) + if((aggr->addr > 0) && (was_extended = H5FD_try_extend(f->shared->lf, alloc_type, f, dxpl_id, aggr->addr + aggr->size, ext_size)) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, HADDR_UNDEF, "can't extending space") else if(was_extended) { /* aggr->size is unchanged */ @@ -264,7 +341,7 @@ HDfprintf(stderr, "%s: Allocating block\n", FUNC); if(H5F_addr_gt((aggr->addr + aggr->size + ext_size), f->shared->tmp_addr)) HGOTO_ERROR(H5E_RESOURCE, H5E_BADRANGE, HADDR_UNDEF, "'normal' file space allocation request will overlap into 'temporary' file space") - if((aggr->addr > 0) && (was_extended = H5FD_try_extend(f->shared->lf, alloc_type, f, aggr->addr + aggr->size, ext_size)) < 0) + if((aggr->addr > 0) && (was_extended = H5FD_try_extend(f->shared->lf, alloc_type, f, dxpl_id, aggr->addr + aggr->size, ext_size)) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, HADDR_UNDEF, "can't extending space") else if(was_extended) { aggr->addr += aggr_frag_size; @@ -404,8 +481,8 @@ HDfprintf(stderr, "%s: ret_value = %a\n", FUNC, ret_value); *------------------------------------------------------------------------- */ htri_t -H5MF_aggr_try_extend(H5F_t *f, H5F_blk_aggr_t *aggr, H5FD_mem_t type, - haddr_t blk_end, hsize_t extra_requested) +H5MF_aggr_try_extend(H5F_t *f, hid_t dxpl_id, H5F_blk_aggr_t *aggr, + H5FD_mem_t type, haddr_t blk_end, hsize_t extra_requested) { htri_t ret_value = FALSE; /* Return value */ @@ -447,7 +524,7 @@ H5MF_aggr_try_extend(H5F_t *f, H5F_blk_aggr_t *aggr, H5FD_mem_t type, else { hsize_t extra = (extra_requested < aggr->alloc_size) ? aggr->alloc_size : extra_requested; - if((ret_value = H5FD_try_extend(f->shared->lf, type, f, (aggr->addr + aggr->size), extra)) < 0) + if((ret_value = H5FD_try_extend(f->shared->lf, type, f, dxpl_id, (aggr->addr + aggr->size), extra)) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTEXTEND, FAIL, "error extending file") else if(ret_value == TRUE) { /* Shift the aggregator block by the extra requested */ diff --git a/src/H5MFpkg.h b/src/H5MFpkg.h index 5b9210e..43fc1cd 100644 --- a/src/H5MFpkg.h +++ b/src/H5MFpkg.h @@ -159,7 +159,7 @@ H5_DLL herr_t H5MF_sect_simple_free(H5FS_section_info_t *sect); /* Block aggregator routines */ H5_DLL haddr_t H5MF_aggr_alloc(H5F_t *f, hid_t dxpl_id, H5F_blk_aggr_t *aggr, H5F_blk_aggr_t *other_aggr, H5FD_mem_t type, hsize_t size); -H5_DLL htri_t H5MF_aggr_try_extend(H5F_t *f, H5F_blk_aggr_t *aggr, +H5_DLL htri_t H5MF_aggr_try_extend(H5F_t *f, hid_t dxpl_id, H5F_blk_aggr_t *aggr, H5FD_mem_t type, haddr_t abs_blk_end, hsize_t extra_requested); H5_DLL htri_t H5MF_aggr_can_absorb(const H5F_t *f, const H5F_blk_aggr_t *aggr, const H5MF_free_section_t *sect, H5MF_shrink_type_t *shrink); diff --git a/src/H5MFprivate.h b/src/H5MFprivate.h index 0adcfd4..330fe80 100644 --- a/src/H5MFprivate.h +++ b/src/H5MFprivate.h @@ -58,7 +58,10 @@ H5_DLL herr_t H5MF_try_close(H5F_t *f, hid_t dxpl_id); /* File space allocation routines */ H5_DLL haddr_t H5MF_alloc(H5F_t *f, H5FD_mem_t type, hid_t dxpl_id, hsize_t size); -H5_DLL haddr_t H5MF_aggr_vfd_alloc(H5F_t *f, H5FD_mem_t type, hid_t dxpl_id, hsize_t size); +H5_DLL haddr_t H5MF_aggr_vfd_alloc(H5F_t *f, H5FD_mem_t type, hid_t dxpl_id, + hsize_t size); +H5_DLL haddr_t H5MF_vfd_alloc(H5F_t *f, hid_t dxpl_id, H5FD_mem_t alloc_type, + hsize_t size, hbool_t keep_fragment); H5_DLL herr_t H5MF_xfree(H5F_t *f, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, hsize_t size); H5_DLL herr_t H5MF_try_extend(H5F_t *f, hid_t dxpl_id, H5FD_mem_t type, @@ -75,6 +78,10 @@ H5_DLL haddr_t H5MF_alloc_tmp(H5F_t *f, hsize_t size); H5_DLL herr_t H5MF_free_aggrs(H5F_t *f, hid_t dxpl_id); H5_DLL htri_t H5MF_aggrs_try_shrink_eoa(H5F_t *f, hid_t dxpl_id); +/* Settling routines */ +H5_DLL herr_t H5MF_settle_raw_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled); +H5_DLL herr_t H5MF_settle_meta_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled); + /* Debugging routines */ #ifdef H5MF_DEBUGGING H5_DLL herr_t H5MF_sects_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, @@ -129,12 +129,12 @@ const H5O_msg_class_t *const H5O_msg_class_g[] = { H5O_MSG_DRVINFO, /*0x0014 Driver info settings */ H5O_MSG_AINFO, /*0x0015 Attribute information */ H5O_MSG_REFCOUNT, /*0x0016 Object's ref. count */ - H5O_MSG_FSINFO, /*0x0017 Free-space manager info message */ + H5O_MSG_FSINFO, /*0x0017 Free-space manager info */ H5O_MSG_UNKNOWN, /*0x0018 Placeholder for unknown message */ #ifdef H5O_ENABLE_BOGUS H5O_MSG_BOGUS_INVALID, /*0x0019 "Bogus invalid" (for testing) */ #else /* H5O_ENABLE_BOGUS */ - NULL, /*0x0019 "Bogus invalid" (for testing) */ + NULL, /*0x0019 "Bogus invalid" (for testing) */ #endif /* H5O_ENABLE_BOGUS */ }; diff --git a/src/H5Oprivate.h b/src/H5Oprivate.h index 5851fe4..f6df874 100644 --- a/src/H5Oprivate.h +++ b/src/H5Oprivate.h @@ -203,7 +203,7 @@ typedef struct H5O_copy_t { #define H5O_DRVINFO_ID 0x0014 /* Driver info message. */ #define H5O_AINFO_ID 0x0015 /* Attribute info message. */ #define H5O_REFCOUNT_ID 0x0016 /* Reference count message. */ -#define H5O_FSINFO_ID 0x0017 /* Free-space manager info message. */ +#define H5O_FSINFO_ID 0x0017 /* File space info message. */ #define H5O_UNKNOWN_ID 0x0018 /* Placeholder message ID for unknown message. */ /* (this should never exist in a file) */ /* |