diff options
author | Quincey Koziol <koziol@hdfgroup.org> | 2017-01-06 19:37:17 (GMT) |
---|---|---|
committer | Quincey Koziol <koziol@hdfgroup.org> | 2017-01-06 19:37:17 (GMT) |
commit | 8d4c84eae2954a77c725f42298b20d694a6150c8 (patch) | |
tree | 138e63bc39ef9c0c818ec0558d1f5d92e02665a7 /src | |
parent | 7568dcaf151bfaa7d529ec69c57a814682bf69c1 (diff) | |
download | hdf5-8d4c84eae2954a77c725f42298b20d694a6150c8.zip hdf5-8d4c84eae2954a77c725f42298b20d694a6150c8.tar.gz hdf5-8d4c84eae2954a77c725f42298b20d694a6150c8.tar.bz2 |
Bring changes to metadata cache "get entry status" call and new
"child serialized / unserialized" messages and support from the cache image
branch.
Diffstat (limited to 'src')
-rw-r--r-- | src/H5AC.c | 132 | ||||
-rw-r--r-- | src/H5AClog.c | 95 | ||||
-rw-r--r-- | src/H5ACpkg.h | 4 | ||||
-rw-r--r-- | src/H5ACprivate.h | 6 | ||||
-rw-r--r-- | src/H5ACproxy_entry.c | 29 | ||||
-rw-r--r-- | src/H5B2cache.c | 6 | ||||
-rw-r--r-- | src/H5C.c | 278 | ||||
-rw-r--r-- | src/H5Cpkg.h | 2 | ||||
-rw-r--r-- | src/H5Cprivate.h | 20 | ||||
-rw-r--r-- | src/H5EAcache.c | 10 | ||||
-rw-r--r-- | src/H5FAcache.c | 6 | ||||
-rw-r--r-- | src/H5FScache.c | 4 | ||||
-rw-r--r-- | src/H5HFcache.c | 4 | ||||
-rw-r--r-- | src/H5HLcache.c | 2 | ||||
-rw-r--r-- | src/H5Ocache.c | 4 | ||||
-rw-r--r-- | src/H5err.txt | 3 |
16 files changed, 588 insertions, 17 deletions
@@ -1134,6 +1134,138 @@ done: /*------------------------------------------------------------------------- + * Function: H5AC_mark_entry_unserialized + * + * Purpose: Mark a pinned or protected entry as unserialized. The target + * entry MUST be either pinned, protected, or both. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Quincey Koziol + * 12/22/16 + * + *------------------------------------------------------------------------- + */ +herr_t +H5AC_mark_entry_unserialized(void *thing) +{ +#if H5AC__TRACE_FILE_ENABLED + char trace[128] = ""; + FILE * trace_file_ptr = NULL; +#endif /* H5AC__TRACE_FILE_ENABLED */ + hbool_t log_enabled; /* TRUE if logging was set up */ + hbool_t curr_logging; /* TRUE if currently logging */ + H5AC_info_t *entry_ptr = NULL; /* Pointer to the cache entry */ + H5C_t *cache_ptr = NULL; /* Pointer to the entry's associated metadata cache */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity check */ + HDassert(thing); + + /* Set up entry & cache pointers */ + entry_ptr = (H5AC_info_t *)thing; + cache_ptr = entry_ptr->cache_ptr; + +#if H5AC__TRACE_FILE_ENABLED + /* For the mark entry unserialized call, only the addr + * is really necessary in the trace file. Write the result to catch + * occult errors. + */ + if(NULL != (trace_file_ptr = H5C_get_trace_file_ptr_from_entry(thing))) + sprintf(trace, "%s 0x%lx", FUNC, (unsigned long)(entry_ptr->addr)); +#endif /* H5AC__TRACE_FILE_ENABLED */ + + /* Check if log messages are being emitted */ + if(H5C_get_logging_status(cache_ptr, &log_enabled, &curr_logging) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTGET, FAIL, "unable to get logging status") + + if(H5C_mark_entry_unserialized(thing) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTMARKUNSERIALIZED, FAIL, "can't mark entry unserialized") + +done: +#if H5AC__TRACE_FILE_ENABLED + if(trace_file_ptr) + HDfprintf(trace_file_ptr, "%s %d\n", trace, (int)ret_value); +#endif /* H5AC__TRACE_FILE_ENABLED */ + + /* If currently logging, generate a message */ + if(curr_logging) + if(H5AC__write_mark_unserialized_entry_log_msg(cache_ptr, entry_ptr, ret_value) < 0) + HDONE_ERROR(H5E_CACHE, H5E_LOGFAIL, FAIL, "unable to emit log message") + + FUNC_LEAVE_NOAPI(ret_value) +} /* H5AC_mark_entry_unserialized() */ + + +/*------------------------------------------------------------------------- + * Function: H5AC_mark_entry_serialized + * + * Purpose: Mark a pinned entry as serialized. The target + * entry MUST be pinned. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Quincey Koziol + * 12/22/16 + * + *------------------------------------------------------------------------- + */ +herr_t +H5AC_mark_entry_serialized(void *thing) +{ +#if H5AC__TRACE_FILE_ENABLED + char trace[128] = ""; + FILE * trace_file_ptr = NULL; +#endif /* H5AC__TRACE_FILE_ENABLED */ + hbool_t log_enabled; /* TRUE if logging was set up */ + hbool_t curr_logging; /* TRUE if currently logging */ + H5AC_info_t *entry_ptr = NULL; /* Pointer to the cache entry */ + H5C_t *cache_ptr = NULL; /* Pointer to the entry's associated metadata cache */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity check */ + HDassert(thing); + +#if H5AC__TRACE_FILE_ENABLED + /* For the mark entry serializedn call, only the addr + * is really necessary in the trace file. Write the result to catch + * occult errors. + */ + if(NULL != (trace_file_ptr = H5C_get_trace_file_ptr_from_entry(thing))) + sprintf(trace, "%s 0x%lx", FUNC, + (unsigned long)(((H5C_cache_entry_t *)thing)->addr)); +#endif /* H5AC__TRACE_FILE_ENABLED */ + + entry_ptr = (H5AC_info_t *)thing; + cache_ptr = entry_ptr->cache_ptr; + + /* Check if log messages are being emitted */ + if(H5C_get_logging_status(cache_ptr, &log_enabled, &curr_logging) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTGET, FAIL, "unable to get logging status") + + if(H5C_mark_entry_serialized(thing) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTMARKSERIALIZED, FAIL, "can't mark entry serialized") + +done: +#if H5AC__TRACE_FILE_ENABLED + if(trace_file_ptr) + HDfprintf(trace_file_ptr, "%s %d\n", trace, (int)ret_value); +#endif /* H5AC__TRACE_FILE_ENABLED */ + + /* If currently logging, generate a message */ + if(curr_logging) + if(H5AC__write_mark_serialized_entry_log_msg(cache_ptr, entry_ptr, ret_value) < 0) + HDONE_ERROR(H5E_CACHE, H5E_LOGFAIL, FAIL, "unable to emit log message") + + FUNC_LEAVE_NOAPI(ret_value) +} /* H5AC_mark_entry_serialized() */ + + +/*------------------------------------------------------------------------- * Function: H5AC_move_entry * * Purpose: Use this function to notify the cache that an object's diff --git a/src/H5AClog.c b/src/H5AClog.c index 1cdaa00..780373e 100644 --- a/src/H5AClog.c +++ b/src/H5AClog.c @@ -496,6 +496,101 @@ done: /*------------------------------------------------------------------------- + * Function: H5AC__write_mark_unserialized_entry_log_msg + * + * Purpose: Write a log message for marking cache entries as unserialized. + * + * Return: Success: SUCCEED + * Failure: FAIL + * + * Programmer: Quincey Koziol + * Thursday, December 22, 2016 + * + *------------------------------------------------------------------------- + */ +herr_t +H5AC__write_mark_unserialized_entry_log_msg(const H5AC_t *cache, + const H5AC_info_t *entry, + herr_t fxn_ret_value) +{ + char msg[MSG_SIZE]; + herr_t ret_value = SUCCEED; + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity checks */ + HDassert(cache); + HDassert(entry); + + /* Create the log message string */ + HDsnprintf(msg, MSG_SIZE, +"\ +{\ +\"timestamp\":%lld,\ +\"action\":\"unserialized\",\ +\"address\":0x%lx,\ +\"returned\":%d\ +},\n\ +" + , (long long)HDtime(NULL), (unsigned long)entry->addr, (int)fxn_ret_value); + + /* Write the log message to the file */ + if(H5C_write_log_message(cache, msg) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "unable to emit log message") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5AC__write_mark_unserialized_entry_log_msg() */ + + +/*------------------------------------------------------------------------- + * Function: H5AC__write_mark_serialize_entry_log_msg + * + * Purpose: Write a log message for marking cache entries as serialize. + * + * Return: Success: SUCCEED + * Failure: FAIL + * + * Programmer: Quincey Koziol + * Thursday, December 22, 2016 + * + *------------------------------------------------------------------------- + */ +herr_t +H5AC__write_mark_serialized_entry_log_msg(const H5AC_t *cache, const H5AC_info_t *entry, + herr_t fxn_ret_value) +{ + char msg[MSG_SIZE]; /* Log message buffer */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity checks */ + HDassert(cache); + HDassert(entry); + + /* Create the log message string */ + HDsnprintf(msg, MSG_SIZE, +"\ +{\ +\"timestamp\":%lld,\ +\"action\":\"serialized\",\ +\"address\":0x%lx,\ +\"returned\":%d\ +},\n\ +" + , (long long)HDtime(NULL), (unsigned long)entry->addr, (int)fxn_ret_value); + + /* Write the log message to the file */ + if(H5C_write_log_message(cache, msg) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "unable to emit log message") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5AC__write_mark_serialized_entry_log_msg() */ + + +/*------------------------------------------------------------------------- * Function: H5AC__write_move_entry_log_msg * * Purpose: Write a log message for moving a cache entry. diff --git a/src/H5ACpkg.h b/src/H5ACpkg.h index 3900ff1..dbbd8a0 100644 --- a/src/H5ACpkg.h +++ b/src/H5ACpkg.h @@ -452,6 +452,10 @@ H5_DLL herr_t H5AC__write_mark_dirty_entry_log_msg(const H5AC_t *cache, herr_t fxn_ret_value); H5_DLL herr_t H5AC__write_mark_clean_entry_log_msg(const H5AC_t *cache, const H5AC_info_t *entry, herr_t fxn_ret_value); +H5_DLL herr_t H5AC__write_mark_unserialized_entry_log_msg(const H5AC_t *cache, + const H5AC_info_t *entry, herr_t fxn_ret_value); +H5_DLL herr_t H5AC__write_mark_serialized_entry_log_msg(const H5AC_t *cache, + const H5AC_info_t *entry, herr_t fxn_ret_value); H5_DLL herr_t H5AC__write_move_entry_log_msg(const H5AC_t *cache, haddr_t old_addr, haddr_t new_addr, diff --git a/src/H5ACprivate.h b/src/H5ACprivate.h index fa7407a..3dd6079 100644 --- a/src/H5ACprivate.h +++ b/src/H5ACprivate.h @@ -170,6 +170,8 @@ typedef H5C_notify_action_t H5AC_notify_action_t; #define H5AC_NOTIFY_ACTION_ENTRY_CLEANED H5C_NOTIFY_ACTION_ENTRY_CLEANED #define H5AC_NOTIFY_ACTION_CHILD_DIRTIED H5C_NOTIFY_ACTION_CHILD_DIRTIED #define H5AC_NOTIFY_ACTION_CHILD_CLEANED H5C_NOTIFY_ACTION_CHILD_CLEANED +#define H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED H5C_NOTIFY_ACTION_CHILD_UNSERIALIZED +#define H5AC_NOTIFY_ACTION_CHILD_SERIALIZED H5C_NOTIFY_ACTION_CHILD_SERIALIZED #define H5AC__CLASS_NO_FLAGS_SET H5C__CLASS_NO_FLAGS_SET #define H5AC__CLASS_SPECULATIVE_LOAD_FLAG H5C__CLASS_SPECULATIVE_LOAD_FLAG @@ -218,6 +220,8 @@ typedef struct H5AC_proxy_entry_t { size_t nchildren; /* Number of children */ size_t ndirty_children; /* Number of dirty children */ /* (Note that this currently duplicates some cache functionality) */ + size_t nunser_children; /* Number of unserialized children */ + /* (Note that this currently duplicates some cache functionality) */ } H5AC_proxy_entry_t; @@ -378,6 +382,8 @@ H5_DLL herr_t H5AC_unprotect(H5F_t *f, hid_t dxpl_id, const H5AC_class_t *type, H5_DLL herr_t H5AC_flush(H5F_t *f, hid_t dxpl_id); H5_DLL herr_t H5AC_mark_entry_dirty(void *thing); H5_DLL herr_t H5AC_mark_entry_clean(void *thing); +H5_DLL herr_t H5AC_mark_entry_unserialized(void *thing); +H5_DLL herr_t H5AC_mark_entry_serialized(void *thing); H5_DLL herr_t H5AC_move_entry(H5F_t *f, const H5AC_class_t *type, haddr_t old_addr, haddr_t new_addr, hid_t dxpl_id); H5_DLL herr_t H5AC_dest(H5F_t *f, hid_t dxpl_id); diff --git a/src/H5ACproxy_entry.c b/src/H5ACproxy_entry.c index 66aacb3..cee9b72 100644 --- a/src/H5ACproxy_entry.c +++ b/src/H5ACproxy_entry.c @@ -312,6 +312,10 @@ H5AC_proxy_entry_add_child(H5AC_proxy_entry_t *pentry, H5F_t *f, hid_t dxpl_id, if(H5AC_mark_entry_clean(pentry) < 0) HGOTO_ERROR(H5E_CACHE, H5E_CANTCLEAN, FAIL, "can't mark proxy entry clean") + /* Proxies start out serialized (insertions are automatically marked unserialized) */ + if(H5AC_mark_entry_serialized(pentry) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTSERIALIZE, FAIL, "can't mark proxy entry clean") + /* If there are currently parents, iterate over the list of parents, creating flush dependency on them */ if(pentry->parents) if(H5SL_iterate(pentry->parents, H5AC__proxy_entry_add_child_cb, pentry) < 0) @@ -438,6 +442,7 @@ H5AC_proxy_entry_dest(H5AC_proxy_entry_t *pentry) HDassert(NULL == pentry->parents); HDassert(0 == pentry->nchildren); HDassert(0 == pentry->ndirty_children); + HDassert(0 == pentry->nunser_children); /* Free the proxy entry object */ pentry = H5FL_FREE(H5AC_proxy_entry_t, pentry); @@ -549,6 +554,7 @@ H5AC__proxy_entry_notify(H5AC_notify_action_t action, void *_thing) case H5AC_NOTIFY_ACTION_BEFORE_EVICT: /* Sanity checks */ HDassert(0 == pentry->ndirty_children); + HDassert(0 == pentry->nunser_children); /* No action */ break; @@ -590,6 +596,29 @@ H5AC__proxy_entry_notify(H5AC_notify_action_t action, void *_thing) HGOTO_ERROR(H5E_CACHE, H5E_CANTCLEAN, FAIL, "can't mark proxy entry clean") break; + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + /* Increment # of unserialized children */ + pentry->nunser_children++; + + /* Check for first unserialized child */ + if(1 == pentry->nunser_children) + if(H5AC_mark_entry_unserialized(pentry) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTUNSERIALIZE, FAIL, "can't mark proxy entry unserialized") + break; + + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: + /* Sanity check */ + HDassert(pentry->nunser_children > 0); + + /* Decrement # of unserialized children */ + pentry->nunser_children--; + + /* Check for last unserialized child */ + if(0 == pentry->nunser_children) + if(H5AC_mark_entry_serialized(pentry) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTSERIALIZE, FAIL, "can't mark proxy entry serialized") + break; + default: #ifdef NDEBUG HGOTO_ERROR(H5E_CACHE, H5E_BADVALUE, FAIL, "unknown notify action from metadata cache") diff --git a/src/H5B2cache.c b/src/H5B2cache.c index 6954e6c..e9b6a41 100644 --- a/src/H5B2cache.c +++ b/src/H5B2cache.c @@ -479,6 +479,8 @@ H5B2__cache_hdr_notify(H5AC_notify_action_t action, void *_thing) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; @@ -905,6 +907,8 @@ H5B2__cache_int_notify(H5AC_notify_action_t action, void *_thing) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; @@ -1291,6 +1295,8 @@ H5B2__cache_leaf_notify(H5AC_notify_action_t action, void *_thing) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; @@ -308,6 +308,7 @@ H5C_create(size_t max_cache_size, cache_ptr->log_flush = log_flush; cache_ptr->evictions_enabled = TRUE; + cache_ptr->close_warning_received = FALSE; cache_ptr->index_len = 0; cache_ptr->index_size = (size_t)0; @@ -1439,6 +1440,7 @@ H5C_insert_entry(H5F_t * f, entry_ptr->flush_dep_parent_nalloc = 0; entry_ptr->flush_dep_nchildren = 0; entry_ptr->flush_dep_ndirty_children = 0; + entry_ptr->flush_dep_nunser_children = 0; entry_ptr->ht_next = NULL; entry_ptr->ht_prev = NULL; @@ -1645,12 +1647,25 @@ H5C_mark_entry_dirty(void *thing) /* set the dirtied flag */ entry_ptr->dirtied = TRUE; - } else if ( entry_ptr->is_pinned ) { + /* reset image_up_to_date */ + if(entry_ptr->image_up_to_date) { + entry_ptr->image_up_to_date = FALSE; + + if(entry_ptr->flush_dep_nparents > 0) + if(H5C__mark_flush_dep_unserialized(entry_ptr) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTNOTIFY, FAIL, "Can't propagate serialization status to fd parents") + }/* end if */ + } /* end if */ + else if ( entry_ptr->is_pinned ) { hbool_t was_clean; /* Whether the entry was previously clean */ + hbool_t image_was_up_to_date; /* Remember previous dirty status */ was_clean = !entry_ptr->is_dirty; + /* Check if image is up to date */ + image_was_up_to_date = entry_ptr->image_up_to_date; + /* Mark the entry as dirty if it isn't already */ entry_ptr->is_dirty = TRUE; entry_ptr->image_up_to_date = FALSE; @@ -1678,6 +1693,10 @@ H5C_mark_entry_dirty(void *thing) if(H5C__mark_flush_dep_dirty(entry_ptr) < 0) HGOTO_ERROR(H5E_CACHE, H5E_CANTMARKDIRTY, FAIL, "Can't propagate flush dep dirty flag") } /* end if */ + if(image_was_up_to_date) + if(entry_ptr->flush_dep_nparents > 0) + if(H5C__mark_flush_dep_unserialized(entry_ptr) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTNOTIFY, FAIL, "Can't propagate serialization status to fd parents") } /* end if */ else HGOTO_ERROR(H5E_CACHE, H5E_CANTMARKDIRTY, FAIL, "Entry is neither pinned nor protected??") @@ -1767,6 +1786,99 @@ done: /*------------------------------------------------------------------------- + * Function: H5C_mark_entry_unserialized + * + * Purpose: Mark a pinned or protected entry as unserialized. The target + * entry MUST be either pinned or protected, and MAY be both. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Quincey Koziol + * 12/23/16 + * + *------------------------------------------------------------------------- + */ +herr_t +H5C_mark_entry_unserialized(void *thing) +{ + H5C_cache_entry_t *entry = (H5C_cache_entry_t *)thing; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity checks */ + HDassert(entry); + HDassert(H5F_addr_defined(entry->addr)); + + if(entry->is_protected || entry->is_pinned) { + HDassert(!entry->is_read_only); + + /* Reset image_up_to_date */ + if(entry->image_up_to_date) { + entry->image_up_to_date = FALSE; + + if(entry->flush_dep_nparents > 0) + if(H5C__mark_flush_dep_unserialized(entry) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTSET, FAIL, "Can't propagate serialization status to fd parents") + }/* end if */ + } /* end if */ + else + HGOTO_ERROR(H5E_CACHE, H5E_CANTMARKUNSERIALIZED, FAIL, "Entry to unserialize is neither pinned nor protected??") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5C_mark_entry_unserialized() */ + + +/*------------------------------------------------------------------------- + * Function: H5C_mark_entry_serialized + * + * Purpose: Mark a pinned entry as serialized. The target entry MUST be + * pinned. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Quincey Koziol + * 12/23/16 + * + *------------------------------------------------------------------------- + */ +herr_t +H5C_mark_entry_serialized(void *_thing) +{ + H5C_cache_entry_t *entry = (H5C_cache_entry_t *)_thing; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity checks */ + HDassert(entry); + HDassert(H5F_addr_defined(entry->addr)); + + /* Operate on pinned entry */ + if(entry->is_protected) + HGOTO_ERROR(H5E_CACHE, H5E_CANTMARKSERIALIZED, FAIL, "entry is protected") + else if(entry->is_pinned) { + /* Check for entry changing status and do notifications, etc. */ + if(!entry->image_up_to_date) { + /* Set the image_up_to_date flag */ + entry->image_up_to_date = TRUE; + + /* Propagate the serialize up the flush dependency chain, if appropriate */ + if(entry->flush_dep_nparents > 0) + if(H5C__mark_flush_dep_serialized(entry) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTMARKSERIALIZED, FAIL, "Can't propagate flush dep serialize") + } /* end if */ + } /* end if */ + else + HGOTO_ERROR(H5E_CACHE, H5E_CANTMARKSERIALIZED, FAIL, "Entry is not pinned??") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5C_mark_entry_serialized() */ + + +/*------------------------------------------------------------------------- * * Function: H5C_move_entry * @@ -1867,7 +1979,12 @@ H5C_move_entry(H5C_t * cache_ptr, entry_ptr->is_dirty = TRUE; /* This shouldn't be needed, but it keeps the test code happy */ - entry_ptr->image_up_to_date = FALSE; + if(entry_ptr->image_up_to_date) { + entry_ptr->image_up_to_date = FALSE; + if(entry_ptr->flush_dep_nparents > 0) + if(H5C__mark_flush_dep_unserialized(entry_ptr) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTNOTIFY, FAIL, "Can't propagate serialization status to fd parents") + } /* end if */ /* Modify cache data structures */ H5C__INSERT_IN_INDEX(cache_ptr, entry_ptr, FAIL) @@ -1965,7 +2082,14 @@ H5C_resize_entry(void *thing, size_t new_size) /* mark the entry as dirty if it isn't already */ entry_ptr->is_dirty = TRUE; - entry_ptr->image_up_to_date = FALSE; + + /* Reset the image up-to-date status */ + if(entry_ptr->image_up_to_date) { + entry_ptr->image_up_to_date = FALSE; + if(entry_ptr->flush_dep_nparents > 0) + if(H5C__mark_flush_dep_unserialized(entry_ptr) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTNOTIFY, FAIL, "Can't propagate serialization status to fd parents") + } /* end if */ /* Release the current image */ if(entry_ptr->image_ptr) @@ -3229,18 +3353,13 @@ H5C_unprotect(H5F_t * f, /* Mark the entry as dirty if appropriate */ entry_ptr->is_dirty = (entry_ptr->is_dirty || dirtied); - /* the image_up_to_date field was introduced to support - * journaling. Until we re-introduce journaling, this - * field should be equal to !entry_ptr->is_dirty. - * - * When journaling is re-enabled it should be set - * to FALSE if dirtied is TRUE. - */ -#if 1 /* JRM */ - entry_ptr->image_up_to_date = FALSE; -#else /* JRM */ - entry_ptr->image_up_to_date = !entry_ptr->is_dirty; -#endif /* JRM */ + if(dirtied) + if(entry_ptr->image_up_to_date) { + entry_ptr->image_up_to_date = FALSE; + if(entry_ptr->flush_dep_nparents > 0) + if(H5C__mark_flush_dep_unserialized(entry_ptr) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTNOTIFY, FAIL, "Can't propagate serialization status to fd parents") + } /* end if */ /* Check for newly dirtied entry */ if(was_clean && entry_ptr->is_dirty) { @@ -3782,6 +3901,20 @@ H5C_create_flush_dependency(void * parent_thing, void * child_thing) HGOTO_ERROR(H5E_CACHE, H5E_CANTNOTIFY, FAIL, "can't notify parent about child entry dirty flag set") } /* end if */ + /* adjust the parent's number of unserialized children. Note + * that it is possible for and entry to be clean and unserialized. + */ + if(!child_entry->image_up_to_date) { + HDassert(parent_entry->flush_dep_nunser_children < parent_entry->flush_dep_nchildren); + + parent_entry->flush_dep_nunser_children++; + + /* If the parent has a 'notify' callback, send a 'child entry unserialized' notice */ + if(parent_entry->type->notify && + (parent_entry->type->notify)(H5C_NOTIFY_ACTION_CHILD_UNSERIALIZED, parent_entry) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTNOTIFY, FAIL, "can't notify parent about child entry serialized flag reset") + } /* end if */ + /* Post-conditions, for successful operation */ HDassert(parent_entry->is_pinned); HDassert(parent_entry->flush_dep_nchildren > 0); @@ -3893,6 +4026,18 @@ H5C_destroy_flush_dependency(void *parent_thing, void * child_thing) HGOTO_ERROR(H5E_CACHE, H5E_CANTNOTIFY, FAIL, "can't notify parent about child entry dirty flag reset") } /* end if */ + /* adjust parent entry's number of unserialized children */ + if(!child_entry->image_up_to_date) { + HDassert(parent_entry->flush_dep_nunser_children > 0); + + parent_entry->flush_dep_nunser_children--; + + /* If the parent has a 'notify' callback, send a 'child entry serialized' notice */ + if(parent_entry->type->notify && + (parent_entry->type->notify)(H5C_NOTIFY_ACTION_CHILD_SERIALIZED, parent_entry) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTNOTIFY, FAIL, "can't notify parent about child entry serialized flag set") + } /* end if */ + /* Shrink or free the parent array if apporpriate */ if(child_entry->flush_dep_nparents == 0) { child_entry->flush_dep_parent = (H5C_cache_entry_t **)H5FL_BLK_FREE(parent, child_entry->flush_dep_parent); @@ -5950,6 +6095,9 @@ H5C_flush_ring(H5F_t *f, hid_t dxpl_id, H5C_ring_t ring, unsigned flags) && (entry_ptr->flush_dep_nchildren == 0 || entry_ptr->flush_dep_ndirty_children == 0) && entry_ptr->ring == ring) { + + HDassert(entry_ptr->flush_dep_nunser_children == 0); + if(entry_ptr->is_protected) { /* we probably have major problems -- but lets * flush everything we can before we decide @@ -6811,6 +6959,7 @@ H5C_load_entry(H5F_t * f, entry->flush_dep_parent_nalloc = 0; entry->flush_dep_nchildren = 0; entry->flush_dep_ndirty_children = 0; + entry->flush_dep_nunser_children = 0; entry->ht_next = NULL; entry->ht_prev = NULL; entry->il_next = NULL; @@ -7882,9 +8031,102 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* H5C__mark_flush_dep_clean() */ -#ifndef NDEBUG /*------------------------------------------------------------------------- + * Function: H5C__mark_flush_dep_serialized() + * + * Purpose: Decrement the flush_dep_nunser_children fields of all the + * target entry's flush dependency parents in response to + * the target entry becoming serialized. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: John Mainzer + * 8/30/16 + * + *------------------------------------------------------------------------- + */ +herr_t +H5C__mark_flush_dep_serialized(H5C_cache_entry_t * entry_ptr) +{ + unsigned u; /* Local index variable */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_STATIC + + /* Sanity checks */ + HDassert(entry_ptr); + + /* Iterate over the parent entries, if any */ + for(u = 0; u < entry_ptr->flush_dep_nparents; u++) { + + HDassert(entry_ptr->flush_dep_parent); + HDassert(entry_ptr->flush_dep_parent[u]->magic == H5C__H5C_CACHE_ENTRY_T_MAGIC); + HDassert(entry_ptr->flush_dep_parent[u]->flush_dep_nunser_children > 0); + + /* decrement the parents number of unserialized children */ + entry_ptr->flush_dep_parent[u]->flush_dep_nunser_children--; + + /* If the parent has a 'notify' callback, send a 'child entry serialized' notice */ + if(entry_ptr->flush_dep_parent[u]->type->notify && + (entry_ptr->flush_dep_parent[u]->type->notify)(H5C_NOTIFY_ACTION_CHILD_SERIALIZED, entry_ptr->flush_dep_parent[u]) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTNOTIFY, FAIL, "can't notify parent about child entry serialized flag set") + } /* end for */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5C__mark_flush_dep_serialized() */ + + +/*------------------------------------------------------------------------- + * Function: H5C__mark_flush_dep_unserialized() + * + * Purpose: Decrement the flush_dep_nunser_children fields of all the + * target entry's flush dependency parents in response to + * the target entry becoming unserialized. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: John Mainzer + * 8/30/16 + * + *------------------------------------------------------------------------- + */ +herr_t +H5C__mark_flush_dep_unserialized(H5C_cache_entry_t * entry_ptr) +{ + unsigned u; /* Local index variable */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_STATIC + + /* Sanity checks */ + HDassert(entry_ptr); + + /* Iterate over the parent entries, if any */ + for(u = 0; u < entry_ptr->flush_dep_nparents; u++) { + /* Sanity check */ + HDassert(entry_ptr->flush_dep_parent); + HDassert(entry_ptr->flush_dep_parent[u]->magic == H5C__H5C_CACHE_ENTRY_T_MAGIC); + HDassert(entry_ptr->flush_dep_parent[u]->flush_dep_nunser_children < + entry_ptr->flush_dep_parent[u]->flush_dep_nchildren); + + /* increment parents number of usserialized children */ + entry_ptr->flush_dep_parent[u]->flush_dep_nunser_children++; + + /* If the parent has a 'notify' callback, send a 'child entry unserialized' notice */ + if(entry_ptr->flush_dep_parent[u]->type->notify && + (entry_ptr->flush_dep_parent[u]->type->notify)(H5C_NOTIFY_ACTION_CHILD_UNSERIALIZED, entry_ptr->flush_dep_parent[u]) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTNOTIFY, FAIL, "can't notify parent about child entry serialized flag reset") + } /* end for */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5C__mark_flush_dep_unserialized() */ + + +#ifndef NDEBUG +/*------------------------------------------------------------------------- * Function: H5C__assert_flush_dep_nocycle() * * Purpose: Assert recursively that base_entry is not the same as @@ -8074,6 +8316,10 @@ H5C__generate_image(H5F_t *f, H5C_t *cache_ptr, H5C_cache_entry_t *entry_ptr, #endif /* H5C_DO_MEMORY_SANITY_CHECKS */ entry_ptr->image_up_to_date = TRUE; + if(entry_ptr->flush_dep_nparents > 0) + if(H5C__mark_flush_dep_serialized(entry_ptr) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTNOTIFY, FAIL, "Can't propagate serialization status to fd parents") + done: FUNC_LEAVE_NOAPI(ret_value) } /* H5C__generate_image */ diff --git a/src/H5Cpkg.h b/src/H5Cpkg.h index 306f5f9..6e37bca 100644 --- a/src/H5Cpkg.h +++ b/src/H5Cpkg.h @@ -4594,6 +4594,8 @@ H5_DLLVAR const H5C_class_t H5C__epoch_marker_class; /* General routines */ H5_DLL herr_t H5C__flush_single_entry(H5F_t *f, hid_t dxpl_id, H5C_cache_entry_t *entry_ptr, unsigned flags); +H5_DLL herr_t H5C__mark_flush_dep_serialized(H5C_cache_entry_t * entry_ptr); +H5_DLL herr_t H5C__mark_flush_dep_unserialized(H5C_cache_entry_t * entry_ptr); H5_DLL herr_t H5C__flush_marked_entries(H5F_t * f, hid_t dxpl_id); H5_DLL herr_t H5C__iter_tagged_entries(H5C_t *cache, haddr_t tag, hbool_t match_global, H5C_tag_iter_cb_t cb, void *cb_ctx); diff --git a/src/H5Cprivate.h b/src/H5Cprivate.h index 9d8f0d4..654ce35 100644 --- a/src/H5Cprivate.h +++ b/src/H5Cprivate.h @@ -867,7 +867,9 @@ typedef enum H5C_notify_action_t { H5C_NOTIFY_ACTION_ENTRY_DIRTIED, /* Entry has been marked dirty. */ H5C_NOTIFY_ACTION_ENTRY_CLEANED, /* Entry has been marked clean. */ H5C_NOTIFY_ACTION_CHILD_DIRTIED, /* Dependent child has been marked dirty. */ - H5C_NOTIFY_ACTION_CHILD_CLEANED /* Dependent child has been marked clean. */ + H5C_NOTIFY_ACTION_CHILD_CLEANED, /* Dependent child has been marked clean. */ + H5C_NOTIFY_ACTION_CHILD_UNSERIALIZED, /* Dependent child has been marked unserialized. */ + H5C_NOTIFY_ACTION_CHILD_SERIALIZED /* Dependent child has been marked serialized. */ } H5C_notify_action_t; /* Cache client callback function pointers */ @@ -1214,6 +1216,19 @@ typedef int H5C_ring_t; * either dirty or have a nonzero flush_dep_ndirty_children. If * this field is nonzero, then this entry cannot be flushed. * + * flush_dep_nunser_children: Number of flush dependency children + * that are either unserialized, or have a non-zero number of + * positive number of unserialized children. + * + * Note that since there is no requirement that a clean entry + * be serialized, it is possible that flush_dep_nunser_children + * to be greater than flush_dep_ndirty_children. + * + * This field exist to facilitate correct ordering of entry + * serializations when it is necessary to serialize all the + * entries in the metadata cache. Thus in the cache + * serialization, no entry can be serialized unless this + * field contains 0. * * Fields supporting the hash table: * @@ -1398,6 +1413,7 @@ typedef struct H5C_cache_entry_t { unsigned flush_dep_parent_nalloc; unsigned flush_dep_nchildren; unsigned flush_dep_ndirty_children; + unsigned flush_dep_nunser_children; hbool_t pinned_from_client; hbool_t pinned_from_cache; @@ -1771,6 +1787,8 @@ H5_DLL herr_t H5C_insert_entry(H5F_t *f, hid_t dxpl_id, const H5C_class_t *type, haddr_t addr, void *thing, unsigned int flags); H5_DLL herr_t H5C_mark_entry_dirty(void *thing); H5_DLL herr_t H5C_mark_entry_clean(void *thing); +H5_DLL herr_t H5C_mark_entry_unserialized(void *thing); +H5_DLL herr_t H5C_mark_entry_serialized(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); diff --git a/src/H5EAcache.c b/src/H5EAcache.c index 1119e39..894b31a 100644 --- a/src/H5EAcache.c +++ b/src/H5EAcache.c @@ -554,6 +554,8 @@ H5EA__cache_hdr_notify(H5AC_notify_action_t action, void *_thing)) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; @@ -958,6 +960,8 @@ H5EA__cache_iblock_notify(H5AC_notify_action_t action, void *_thing)) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; @@ -1381,6 +1385,8 @@ H5EA__cache_sblock_notify(H5AC_notify_action_t action, void *_thing)) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; @@ -1792,6 +1798,8 @@ H5EA__cache_dblock_notify(H5AC_notify_action_t action, void *_thing)) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; @@ -2171,6 +2179,8 @@ H5EA__cache_dblk_page_notify(H5AC_notify_action_t action, void *_thing)) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; diff --git a/src/H5FAcache.c b/src/H5FAcache.c index 11e8571..40117a7 100644 --- a/src/H5FAcache.c +++ b/src/H5FAcache.c @@ -475,6 +475,8 @@ H5FA__cache_hdr_notify(H5AC_notify_action_t action, void *_thing)) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; @@ -879,6 +881,8 @@ H5FA__cache_dblock_notify(H5AC_notify_action_t action, void *_thing)) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; @@ -1254,6 +1258,8 @@ H5FA__cache_dblk_page_notify(H5AC_notify_action_t action, void *_thing)) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; diff --git a/src/H5FScache.c b/src/H5FScache.c index 6235509..dcc8122 100644 --- a/src/H5FScache.c +++ b/src/H5FScache.c @@ -808,6 +808,8 @@ H5FS__cache_hdr_notify(H5AC_notify_action_t action, void *_thing) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: case H5AC_NOTIFY_ACTION_BEFORE_EVICT: /* do nothing */ break; @@ -1340,6 +1342,8 @@ H5FS__cache_sinfo_notify(H5AC_notify_action_t action, void *_thing) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; diff --git a/src/H5HFcache.c b/src/H5HFcache.c index e72cc6c..302fe04 100644 --- a/src/H5HFcache.c +++ b/src/H5HFcache.c @@ -1492,6 +1492,8 @@ H5HF__cache_iblock_notify(H5AC_notify_action_t action, void *_thing) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; @@ -2505,6 +2507,8 @@ H5HF__cache_dblock_notify(H5AC_notify_action_t action, void *_thing) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; diff --git a/src/H5HLcache.c b/src/H5HLcache.c index b2ca839..3668d81 100644 --- a/src/H5HLcache.c +++ b/src/H5HLcache.c @@ -904,6 +904,8 @@ H5HL__cache_datablock_notify(H5C_notify_action_t action, void *_thing) case H5AC_NOTIFY_ACTION_ENTRY_CLEANED: case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; diff --git a/src/H5Ocache.c b/src/H5Ocache.c index 1067b8c..19b91f8 100644 --- a/src/H5Ocache.c +++ b/src/H5Ocache.c @@ -600,6 +600,8 @@ H5O__cache_notify(H5AC_notify_action_t action, void *_thing) case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; @@ -989,6 +991,8 @@ H5O__cache_chk_notify(H5AC_notify_action_t action, void *_thing) case H5AC_NOTIFY_ACTION_CHILD_DIRTIED: case H5AC_NOTIFY_ACTION_CHILD_CLEANED: + case H5AC_NOTIFY_ACTION_CHILD_UNSERIALIZED: + case H5AC_NOTIFY_ACTION_CHILD_SERIALIZED: /* do nothing */ break; diff --git a/src/H5err.txt b/src/H5err.txt index 9531df9..44c5a93 100644 --- a/src/H5err.txt +++ b/src/H5err.txt @@ -157,6 +157,7 @@ MINOR, ATOM, H5E_NOIDS, Out of IDs for group # Cache related errors MINOR, CACHE, H5E_CANTFLUSH, Unable to flush data from cache +MINOR, CACHE, H5E_CANTUNSERIALIZE, Unable to mark metadata as unserialized MINOR, CACHE, H5E_CANTSERIALIZE, Unable to serialize data from cache MINOR, CACHE, H5E_CANTTAG, Unable to tag metadata in the cache MINOR, CACHE, H5E_CANTLOAD, Unable to load metadata into cache @@ -170,6 +171,8 @@ MINOR, CACHE, H5E_CANTPIN, Unable to pin cache entry MINOR, CACHE, H5E_CANTUNPIN, Unable to un-pin cache entry MINOR, CACHE, H5E_CANTMARKDIRTY, Unable to mark a pinned entry as dirty MINOR, CACHE, H5E_CANTMARKCLEAN, Unable to mark a pinned entry as clean +MINOR, CACHE, H5E_CANTMARKUNSERIALIZED, Unable to mark an entry as unserialized +MINOR, CACHE, H5E_CANTMARKSERIALIZED, Unable to mark an entry as serialized MINOR, CACHE, H5E_CANTDIRTY, Unable to mark metadata as dirty MINOR, CACHE, H5E_CANTCLEAN, Unable to mark metadata as clean MINOR, CACHE, H5E_CANTEXPUNGE, Unable to expunge a metadata cache entry |