diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/H5FDcore.c | 2 | ||||
| -rw-r--r-- | src/H5FDdirect.c | 2 | ||||
| -rw-r--r-- | src/H5FDfamily.c | 2 | ||||
| -rw-r--r-- | src/H5FDlog.c | 2 | ||||
| -rw-r--r-- | src/H5FDmpio.c | 2 | ||||
| -rw-r--r-- | src/H5FDmpiposix.c | 2 | ||||
| -rw-r--r-- | src/H5FDsec2.c | 2 | ||||
| -rw-r--r-- | src/H5FDstdio.c | 2 | ||||
| -rw-r--r-- | src/H5FSprivate.h | 2 | ||||
| -rw-r--r-- | src/H5FSsection.c | 111 | ||||
| -rw-r--r-- | src/H5MF.c | 150 | ||||
| -rw-r--r-- | src/H5MFaggr.c | 161 | ||||
| -rw-r--r-- | src/H5MFpkg.h | 1 | ||||
| -rw-r--r-- | src/H5MFprivate.h | 1 | ||||
| -rw-r--r-- | src/H5MFsection.c | 4 |
15 files changed, 402 insertions, 44 deletions
diff --git a/src/H5FDcore.c b/src/H5FDcore.c index 8e2cf2a..932e2af 100644 --- a/src/H5FDcore.c +++ b/src/H5FDcore.c @@ -184,7 +184,7 @@ static const H5FD_class_t H5FD_core_g = { H5FD_core_truncate, /*truncate */ NULL, /*lock */ NULL, /*unlock */ - H5FD_FLMAP_SINGLE /*fl_map */ + H5FD_FLMAP_DICHOTOMY /*fl_map */ }; diff --git a/src/H5FDdirect.c b/src/H5FDdirect.c index 218a1dd..4721a44 100644 --- a/src/H5FDdirect.c +++ b/src/H5FDdirect.c @@ -205,7 +205,7 @@ static const H5FD_class_t H5FD_direct_g = { H5FD_direct_truncate, /*truncate */ NULL, /*lock */ NULL, /*unlock */ - H5FD_FLMAP_SINGLE /*fl_map */ + H5FD_FLMAP_DICHOTOMY /*fl_map */ }; /* Declare a free list to manage the H5FD_direct_t struct */ diff --git a/src/H5FDfamily.c b/src/H5FDfamily.c index 6f6d757..68f856a 100644 --- a/src/H5FDfamily.c +++ b/src/H5FDfamily.c @@ -148,7 +148,7 @@ static const H5FD_class_t H5FD_family_g = { H5FD_family_truncate, /*truncate */ NULL, /*lock */ NULL, /*unlock */ - H5FD_FLMAP_SINGLE /*fl_map */ + H5FD_FLMAP_DICHOTOMY /*fl_map */ }; diff --git a/src/H5FDlog.c b/src/H5FDlog.c index b2c6398..6a2425c 100644 --- a/src/H5FDlog.c +++ b/src/H5FDlog.c @@ -233,7 +233,7 @@ static const H5FD_class_t H5FD_log_g = { H5FD_log_truncate, /*truncate */ NULL, /*lock */ NULL, /*unlock */ - H5FD_FLMAP_SINGLE /*fl_map */ + H5FD_FLMAP_DICHOTOMY /*fl_map */ }; /* Declare a free list to manage the H5FD_log_t struct */ diff --git a/src/H5FDmpio.c b/src/H5FDmpio.c index 6dbe831..42e28b1 100644 --- a/src/H5FDmpio.c +++ b/src/H5FDmpio.c @@ -127,7 +127,7 @@ static const H5FD_class_mpi_t H5FD_mpio_g = { H5FD_mpio_truncate, /*truncate */ NULL, /*lock */ NULL, /*unlock */ - H5FD_FLMAP_SINGLE /*fl_map */ + H5FD_FLMAP_DICHOTOMY /*fl_map */ }, /* End of superclass information */ H5FD_mpio_mpi_rank, /*get_rank */ H5FD_mpio_mpi_size, /*get_size */ diff --git a/src/H5FDmpiposix.c b/src/H5FDmpiposix.c index 0ad39a9..4ed3a4d 100644 --- a/src/H5FDmpiposix.c +++ b/src/H5FDmpiposix.c @@ -236,7 +236,7 @@ static const H5FD_class_mpi_t H5FD_mpiposix_g = { H5FD_mpiposix_truncate, /*truncate */ NULL, /*lock */ NULL, /*unlock */ - H5FD_FLMAP_SINGLE /*fl_map */ + H5FD_FLMAP_DICHOTOMY /*fl_map */ }, /* End of superclass information */ H5FD_mpiposix_mpi_rank, /*get_rank */ H5FD_mpiposix_mpi_size, /*get_size */ diff --git a/src/H5FDsec2.c b/src/H5FDsec2.c index 4201e07..241609d 100644 --- a/src/H5FDsec2.c +++ b/src/H5FDsec2.c @@ -191,7 +191,7 @@ static const H5FD_class_t H5FD_sec2_g = { H5FD_sec2_truncate, /*truncate */ NULL, /*lock */ NULL, /*unlock */ - H5FD_FLMAP_SINGLE /*fl_map */ + H5FD_FLMAP_DICHOTOMY /*fl_map */ }; /* Declare a free list to manage the H5FD_sec2_t struct */ diff --git a/src/H5FDstdio.c b/src/H5FDstdio.c index 4733eba..43bf6b9 100644 --- a/src/H5FDstdio.c +++ b/src/H5FDstdio.c @@ -226,7 +226,7 @@ static const H5FD_class_t H5FD_stdio_g = { H5FD_stdio_truncate, /* truncate */ NULL, /* lock */ NULL, /* unlock */ - H5FD_FLMAP_SINGLE /* fl_map */ + H5FD_FLMAP_DICHOTOMY /* fl_map */ }; diff --git a/src/H5FSprivate.h b/src/H5FSprivate.h index f6a0034..8cb3f95 100644 --- a/src/H5FSprivate.h +++ b/src/H5FSprivate.h @@ -200,6 +200,8 @@ H5_DLL herr_t H5FS_sect_stats(const H5FS_t *fspace, hsize_t *tot_space, hsize_t *nsects); H5_DLL herr_t H5FS_sect_change_class(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace, H5FS_section_info_t *sect, unsigned new_class); +H5_DLL htri_t H5FS_sect_try_shrink_eoa(const H5F_t *f, hid_t dxpl_id, const H5FS_t *fspace, void *op_data); +H5_DLL herr_t H5FS_sect_query_last_sect(const H5FS_t *fspace, haddr_t *sect_addr, hsize_t *sect_size); /* Statistics routine */ H5_DLL herr_t H5FS_stat_info(const H5F_t *f, const H5FS_t *frsp, H5FS_stat_t *stats); diff --git a/src/H5FSsection.c b/src/H5FSsection.c index 581d3dc..fa24f85 100644 --- a/src/H5FSsection.c +++ b/src/H5FSsection.c @@ -2377,3 +2377,114 @@ HDfprintf(stderr, "%s: sect->size = %Hu, sect->addr = %a, sect->type = %u\n", "H } /* end H5FS_sect_assert() */ #endif /* H5FS_DEBUG_ASSERT */ + +/*------------------------------------------------------------------------- + * Function: H5FS_sect_try_shrink_eoa + * + * Purpose: To shrink the last section on the merge list if the section + * is at EOF. + * + * Return: Success: non-negative (TRUE/FALSE) + * Failure: negative + * + * Programmer: Vailin Choi + * + *------------------------------------------------------------------------- + */ +htri_t +H5FS_sect_try_shrink_eoa(const H5F_t *f, hid_t dxpl_id, const H5FS_t *fspace, void *op_data) +{ + hbool_t sinfo_valid = FALSE; /* Whether the section info is valid */ + hbool_t section_removed = FALSE; /* Whether a section was removed */ + htri_t ret_value = FALSE; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Check arguments. */ + HDassert(fspace); + + if(H5FS_sinfo_lock(f, dxpl_id, fspace, H5AC_WRITE) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTGET, FAIL, "can't get section info") + sinfo_valid = TRUE; + + if(fspace->sinfo && fspace->sinfo->merge_list) { + H5SL_node_t *last_node; /* Last node in merge list */ + + /* Check for last node in the merge list */ + if(NULL != (last_node = H5SL_last(fspace->sinfo->merge_list))) { + H5FS_section_info_t *tmp_sect; /* Temporary free space section */ + H5FS_section_class_t *tmp_sect_cls; /* Temporary section's class */ + + /* Get the pointer to the last section, from the last node */ + tmp_sect = (H5FS_section_info_t *)H5SL_item(last_node); + HDassert(tmp_sect); + tmp_sect_cls = &fspace->sect_cls[tmp_sect->type]; + if(tmp_sect_cls->can_shrink) { + /* Check if the section can be shrunk away */ + if((ret_value = (*tmp_sect_cls->can_shrink)(tmp_sect, op_data)) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTSHRINK, FAIL, "can't check for shrinking container") + if(ret_value > 0) { + HDassert(tmp_sect_cls->shrink); + + /* Remove section from free space manager */ + if(H5FS_sect_remove_real(fspace, tmp_sect) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "can't remove section from internal data structures") + section_removed = TRUE; + + /* Shrink away section */ + if((*tmp_sect_cls->shrink)(&tmp_sect, op_data) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't shrink free space container") + } /* end if */ + } /* end if */ + } /* end if */ + } /* end if */ + +done: + /* Release the section info */ + if(sinfo_valid && H5FS_sinfo_unlock(f, dxpl_id, fspace, section_removed) < 0) + HDONE_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "can't release section info") + + FUNC_LEAVE_NOAPI(ret_value) +} /* H5FS_sect_try_shrink_eoa() */ + + +/*------------------------------------------------------------------------- + * Function: H5FS_sect_query_last_sect + * + * Purpose: Retrieve info about the last section on the merge list + * + * Return: Success: non-negative + * Failure: negative + * + * Programmer: Vailin Choi + * + *------------------------------------------------------------------------- + */ +herr_t +H5FS_sect_query_last_sect(const H5FS_t *fspace, haddr_t *sect_addr, hsize_t *sect_size) +{ + FUNC_ENTER_NOAPI_NOINIT_NOERR + + /* Check arguments. */ + HDassert(fspace); + + if(fspace->sinfo && fspace->sinfo->merge_list) { + H5SL_node_t *last_node; /* Last node in merge list */ + + /* Check for last node in the merge list */ + if(NULL != (last_node = H5SL_last(fspace->sinfo->merge_list))) { + H5FS_section_info_t *tmp_sect; /* Temporary free space section */ + + /* Get the pointer to the last section, from the last node */ + tmp_sect = (H5FS_section_info_t *)H5SL_item(last_node); + HDassert(tmp_sect); + if(sect_addr) + *sect_addr = tmp_sect->addr; + if(sect_size) + *sect_size = tmp_sect->size; + } /* end if */ + } /* end if */ + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* H5FS_sect_query_last_sect() */ + @@ -487,6 +487,7 @@ HDfprintf(stderr, "%s: Check 1.6, freeing node\n", FUNC); udata.dxpl_id = dxpl_id; udata.alloc_type = alloc_type; udata.allow_sect_absorb = TRUE; + udata.allow_eoa_shrink_only = FALSE; #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: Check 1.7, re-adding node, node->sect_info.size = %Hu\n", FUNC, node->sect_info.size); @@ -692,6 +693,7 @@ HDfprintf(stderr, "%s: dropping addr = %a, size = %Hu, on the floor!\n", FUNC, a udata.dxpl_id = dxpl_id; udata.alloc_type = alloc_type; udata.allow_sect_absorb = TRUE; + udata.allow_eoa_shrink_only = FALSE; /* If size of section freed is larger than threshold, add it to the free space manager */ if(size >= f->shared->fs_threshold) { @@ -823,6 +825,11 @@ H5MF_sects_dump(f, dxpl_id, stderr); * Programmer: Quincey Koziol * Monday, October 6, 2003 * + * Modifications: + * Vailin Choi; July 2012 + * As the default free-list mapping is changed to H5FD_FLMAP_DICHOTOMY, + * checks are added to account for the last section of each free-space manager + * and the remaining space in the two aggregators are at EOF. *------------------------------------------------------------------------- */ herr_t @@ -836,6 +843,8 @@ H5MF_get_freespace(H5F_t *f, hid_t dxpl_id, hsize_t *tot_space, hsize_t *meta_si hsize_t tot_fs_size = 0; /* Amount of all free space managed */ hsize_t tot_meta_size = 0; /* Amount of metadata for free space managers */ H5FD_mem_t type; /* Memory type for iteration */ + H5FD_mem_t fs_started[H5FD_MEM_NTYPES]; /* Indicate whether the free-space manager has been started */ + hbool_t eoa_shrank; /* Whether an EOA shrink occurs */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) @@ -859,14 +868,15 @@ H5MF_get_freespace(H5F_t *f, hid_t dxpl_id, hsize_t *tot_space, hsize_t *meta_si /* Iterate over all the free space types that have managers and get each free list's space */ for(type = H5FD_MEM_DEFAULT; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { - hbool_t fs_started = FALSE; + + fs_started[type] = FALSE; /* Check if the free space for the file has been initialized */ if(!f->shared->fs_man[type] && H5F_addr_defined(f->shared->fs_addr[type])) { if(H5MF_alloc_open(f, dxpl_id, type) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize file free space") HDassert(f->shared->fs_man[type]); - fs_started = TRUE; + fs_started[type] = TRUE; } /* end if */ /* Check if there's free space of this type */ @@ -884,32 +894,54 @@ H5MF_get_freespace(H5F_t *f, hid_t dxpl_id, hsize_t *tot_space, hsize_t *meta_si tot_fs_size += type_fs_size; tot_meta_size += type_meta_size; } /* end if */ + } /* end for */ - /* Close the free space manager, if we opened it here */ - if(fs_started) + /* Iterate until no more EOA shrink occurs */ + do { + eoa_shrank = FALSE; + + /* Check the last section of each free-space manager */ + for(type = H5FD_MEM_DEFAULT; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { + haddr_t sect_addr = HADDR_UNDEF; + hsize_t sect_size = 0; + + if(f->shared->fs_man[type]) { + if(H5FS_sect_query_last_sect(f->shared->fs_man[type], §_addr, §_size) < 0) + HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query last section on merge list") + + /* Deduct space from previous accumulation if the section is at EOA */ + if(H5F_addr_eq(sect_addr + sect_size, eoa)) { + eoa = sect_addr; + eoa_shrank = TRUE; + tot_fs_size -= sect_size; + } /* end if */ + } /* end if */ + } /* end for */ + + /* Check the metadata and raw data aggregators */ + if(ma_size > 0 && H5F_addr_eq(ma_addr + ma_size, eoa)) { + eoa = ma_addr; + eoa_shrank = TRUE; + ma_size = 0; + } /* end if */ + if(sda_size > 0 && H5F_addr_eq(sda_addr + sda_size, eoa)) { + eoa = sda_addr; + eoa_shrank = TRUE; + sda_size = 0; + } /* end if */ + } while(eoa_shrank); + + /* Close the free-space managers if they were opened earlier in this routine */ + for(type = H5FD_MEM_DEFAULT; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { + if(fs_started[type]) if(H5MF_alloc_close(f, dxpl_id, type) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't close file free space") } /* end for */ - /* Check for aggregating metadata allocations */ - if(ma_size > 0) { - /* Add in the reserved space for metadata to the available free space */ - /* (if it's not at the tail of the file) */ - if(H5F_addr_ne(ma_addr + ma_size, eoa)) - tot_fs_size += ma_size; - } /* end if */ - - /* Check for aggregating small data allocations */ - if(sda_size > 0) { - /* Add in the reserved space for metadata to the available free space */ - /* (if it's not at the tail of the file) */ - if(H5F_addr_ne(sda_addr + sda_size, eoa)) - tot_fs_size += sda_size; - } /* end if */ - /* Set the value(s) to return */ + /* (The metadata & small data aggregators count as free space now, since they aren't at EOA) */ if(tot_space) - *tot_space = tot_fs_size; + *tot_space = tot_fs_size + ma_size + sda_size; if(meta_size) *meta_size = tot_meta_size; @@ -961,6 +993,7 @@ HDfprintf(stderr, "%s: Entering - alloc_type = %u, addr = %a, size = %Hu\n", FUN udata.dxpl_id = dxpl_id; udata.alloc_type = alloc_type; udata.allow_sect_absorb = FALSE; /* Force section to be absorbed into aggregator */ + udata.allow_eoa_shrink_only = FALSE; /* Call the "can shrink" callback for the section */ if((ret_value = H5MF_sect_simple_can_shrink((const H5FS_section_info_t *)node, &udata)) < 0) @@ -984,6 +1017,66 @@ HDfprintf(stderr, "%s: Leaving, ret_value = %d\n", FUNC, ret_value); /*------------------------------------------------------------------------- + * Function: H5MF_close_shrink_eoa + * + * Purpose: Shrink the EOA while closing + * + * Return: SUCCEED/FAIL + * + * Programmer: Quincey Koziol + * Saturday, July 7, 2012 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5MF_close_shrink_eoa(H5F_t *f, hid_t dxpl_id) +{ + H5FD_mem_t type; /* Memory type for iteration */ + hbool_t eoa_shrank; /* Whether an EOA shrink occurs */ + htri_t status; /* Status value */ + H5MF_sect_ud_t udata; /* User data for callback */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT + + /* check args */ + HDassert(f); + HDassert(f->shared); + + /* Construct user data for callbacks */ + udata.f = f; + udata.dxpl_id = dxpl_id; + udata.allow_sect_absorb = FALSE; + udata.allow_eoa_shrink_only = TRUE; + + /* Iterate until no more EOA shrinking occurs */ + do { + eoa_shrank = FALSE; + + /* Check the last section of each free-space manager */ + for(type = H5FD_MEM_DEFAULT; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { + if(f->shared->fs_man[type]) { + udata.alloc_type = type; + if((status = H5FS_sect_try_shrink_eoa(f, dxpl_id, f->shared->fs_man[type], &udata)) < 0) + HGOTO_ERROR(H5E_FSPACE, H5E_CANTSHRINK, FAIL, "can't check for shrinking eoa") + else if(status > 0) + eoa_shrank = TRUE; + } /* end if */ + } /* end for */ + + /* check the two aggregators */ + if((status = H5MF_aggrs_try_shrink_eoa(f, dxpl_id)) < 0) + HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't check for shrinking eoa") + else if(status > 0) + eoa_shrank = TRUE; + } while(eoa_shrank); + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5MF_close_shrink_eoa() */ + + +/*------------------------------------------------------------------------- * Function: H5MF_close * * Purpose: Close the free space tracker(s) for a file @@ -993,6 +1086,12 @@ HDfprintf(stderr, "%s: Leaving, ret_value = %d\n", FUNC, ret_value); * Programmer: Quincey Koziol * Tuesday, January 22, 2008 * + * Modifications: + * Vailin Choi; July 2012 + * As the default free-list mapping is changed to H5FD_FLMAP_DICHOTOMY, + * modifications are needed to shrink EOA if the last section of each free-space manager + * and the remaining space in the two aggregators are at EOA. + *------------------------------------------------------------------------- */ herr_t @@ -1017,6 +1116,10 @@ HDfprintf(stderr, "%s: Entering\n", FUNC); if(H5MF_free_aggrs(f, dxpl_id) < 0) HGOTO_ERROR(H5E_FILE, 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_RESOURCE, H5E_CANTSHRINK, FAIL, "can't shrink eoa") + /* Making free-space managers persistent for superblock version >= 2 */ if(f->shared->sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2 && f->shared->fs_strategy == H5F_FILE_SPACE_ALL_PERSIST) { @@ -1164,6 +1267,11 @@ HDfprintf(stderr, "%s: Before deleting free space manager\n", FUNC); if(H5MF_free_aggrs(f, dxpl_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTFREE, FAIL, "can't free aggregators") + /* Trying shrinking the EOA for the file */ + /* (in case any free space is now at the EOA) */ + if(H5MF_close_shrink_eoa(f, dxpl_id) < 0) + HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't shrink eoa") + done: #ifdef H5MF_ALLOC_DEBUG HDfprintf(stderr, "%s: Leaving\n", FUNC); diff --git a/src/H5MFaggr.c b/src/H5MFaggr.c index 6f68fd7..f015b19 100644 --- a/src/H5MFaggr.c +++ b/src/H5MFaggr.c @@ -57,6 +57,8 @@ /********************/ /* Local Prototypes */ /********************/ +static herr_t H5MF_aggr_free(H5F_t *f, hid_t dxpl_id, H5FD_mem_t type, + H5F_blk_aggr_t *aggr); /*********************/ @@ -231,15 +233,14 @@ HDfprintf(stderr, "%s: aggr = {%a, %Hu, %Hu}\n", FUNC, aggr->addr, aggr->tot_siz if(H5F_addr_gt((eoa + size), f->shared->tmp_addr)) HGOTO_ERROR(H5E_RESOURCE, H5E_BADRANGE, HADDR_UNDEF, "'normal' file space allocation request will overlap into 'temporary' file space") + /* Release "other" aggregator, if it exists, is at the end of the allocated space, + * has allocated more than one block and the unallocated space is greater than its + * allocation block size. + */ if ((other_aggr->size > 0) && (H5F_addr_eq((other_aggr->addr + other_aggr->size), eoa)) && - ((other_aggr->tot_size - other_aggr->size) >= other_aggr->alloc_size)) { - - if(H5FD_free(f->shared->lf, dxpl_id, other_alloc_type, f, other_aggr->addr, other_aggr->size) < 0) + (other_aggr->tot_size > other_aggr->size) && ((other_aggr->tot_size - other_aggr->size) >= other_aggr->alloc_size)) { + if(H5MF_aggr_free(f, dxpl_id, other_alloc_type, other_aggr) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTFREE, HADDR_UNDEF, "can't free aggregation block") - - other_aggr->addr = 0; - other_aggr->tot_size = 0; - other_aggr->size = 0; } /* end if */ /* Allocate space from the VFD (i.e. at the end of the file) */ @@ -275,14 +276,14 @@ HDfprintf(stderr, "%s: Allocating block\n", FUNC); if(H5F_addr_gt((eoa + aggr->alloc_size), f->shared->tmp_addr)) HGOTO_ERROR(H5E_RESOURCE, H5E_BADRANGE, HADDR_UNDEF, "'normal' file space allocation request will overlap into 'temporary' file space") + /* Release "other" aggregator, if it exists, is at the end of the allocated space, + * has allocated more than one block and the unallocated space is greater than its + * allocation block size. + */ if((other_aggr->size > 0) && (H5F_addr_eq((other_aggr->addr + other_aggr->size), eoa)) && - ((other_aggr->tot_size - other_aggr->size) >= other_aggr->alloc_size)) { - - if(H5FD_free(f->shared->lf, dxpl_id, other_alloc_type, f, other_aggr->addr, other_aggr->size) < 0) + (other_aggr->tot_size > other_aggr->size) && ((other_aggr->tot_size - other_aggr->size) >= other_aggr->alloc_size)) { + if(H5MF_aggr_free(f, dxpl_id, other_alloc_type, other_aggr) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTFREE, HADDR_UNDEF, "can't free aggregation block") - other_aggr->addr = 0; - other_aggr->tot_size = 0; - other_aggr->size = 0; } /* end if */ /* Allocate space from the VFD (i.e. at the end of the file) */ @@ -633,8 +634,10 @@ H5MF_aggr_query(const H5F_t *f, const H5F_blk_aggr_t *aggr, haddr_t *addr, /* Check if this aggregator is active */ if(f->shared->feature_flags & aggr->feature_flag) { - *addr = aggr->addr; - *size = aggr->size; + if(addr) + *addr = aggr->addr; + if(size) + *size = aggr->size; } /* end if */ FUNC_LEAVE_NOAPI(SUCCEED) @@ -766,3 +769,131 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_free_aggrs() */ + +/*------------------------------------------------------------------------- + * Function: H5MF_aggr_can_shrink_eoa + * + * Purpose: Check if the remaining space in the aggregator is at EOA + * + * Return: Success: non-negative (TRUE/FALSE) + * Failure: negative + * + * Programmer: Vailin Choi + * + *------------------------------------------------------------------------- + */ +static htri_t +H5MF_aggr_can_shrink_eoa(H5F_t *f, H5FD_mem_t type, H5F_blk_aggr_t *aggr) +{ + haddr_t eoa = HADDR_UNDEF; /* EOA for the file */ + htri_t ret_value = FALSE; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity check */ + HDassert(f); + HDassert(aggr); + HDassert(aggr->feature_flag == H5FD_FEAT_AGGREGATE_METADATA || aggr->feature_flag == H5FD_FEAT_AGGREGATE_SMALLDATA); + + /* Get the EOA for the file */ + if(HADDR_UNDEF == (eoa = H5F_get_eoa(f, type))) + HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "Unable to get eoa") + + /* Check if the aggregator is at EOA */ + if(aggr->size > 0 && H5F_addr_defined(aggr->addr)) + ret_value = H5F_addr_eq(eoa, aggr->addr + aggr->size); + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5MF_aggr_can_shrink_eoa() */ + + +/*------------------------------------------------------------------------- + * Function: H5MF_aggr_free + * + * Purpose: Free the aggregator's space in the file. + * + * Note: Does _not_ put the space on a free list + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Vailin Choi + * + *------------------------------------------------------------------------- + */ +static herr_t +H5MF_aggr_free(H5F_t *f, hid_t dxpl_id, H5FD_mem_t type, H5F_blk_aggr_t *aggr) +{ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity check */ + HDassert(f); + HDassert(f->shared->lf); + HDassert(aggr); + HDassert(H5F_addr_defined(aggr->addr)); + HDassert(aggr->size > 0); + HDassert(H5F_INTENT(f) & H5F_ACC_RDWR); + HDassert(aggr->feature_flag == H5FD_FEAT_AGGREGATE_METADATA || aggr->feature_flag == H5FD_FEAT_AGGREGATE_SMALLDATA); + HDassert(f->shared->feature_flags & aggr->feature_flag); + + /* Free the remaining space at EOA in the aggregator */ + if(H5FD_free(f->shared->lf, dxpl_id, type, f, aggr->addr, aggr->size) < 0) + HGOTO_ERROR(H5E_RESOURCE, H5E_CANTFREE, FAIL, "can't free aggregation block") + + /* Reset the aggregator */ + aggr->tot_size = 0; + aggr->addr = HADDR_UNDEF; + aggr->size = 0; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5MF_aggr_free() */ + + +/*------------------------------------------------------------------------- + * Function: H5MF_aggrs_try_shrink_eoa + * + * Purpose: Check the metadata & small block aggregators to see if + * EOA shrink is possible; if so, shrink each aggregator + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Vailin Choi + * + *------------------------------------------------------------------------- + */ +htri_t +H5MF_aggrs_try_shrink_eoa(H5F_t *f, hid_t dxpl_id) +{ + htri_t ma_status; /* Whether the metadata aggregator can shrink the EOA */ + htri_t sda_status; /* Whether the small data aggregator can shrink the EOA */ + htri_t ret_value; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Check args */ + HDassert(f); + HDassert(f->shared); + + if((ma_status = H5MF_aggr_can_shrink_eoa(f, H5FD_MEM_DEFAULT, &(f->shared->meta_aggr))) < 0) + HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query metadata aggregator stats") + if(ma_status > 0) + if(H5MF_aggr_free(f, dxpl_id, H5FD_MEM_DEFAULT, &(f->shared->meta_aggr)) < 0) + HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't check for shrinking eoa") + + if((sda_status = H5MF_aggr_can_shrink_eoa(f, H5FD_MEM_DRAW, &(f->shared->sdata_aggr))) < 0) + HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query small data aggregator stats") + if(sda_status > 0) + if(H5MF_aggr_free(f, dxpl_id, H5FD_MEM_DRAW, &(f->shared->sdata_aggr)) < 0) + HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't check for shrinking eoa") + + ret_value = (ma_status || sda_status); + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5MF_aggrs_try_shrink_eoa() */ + diff --git a/src/H5MFpkg.h b/src/H5MFpkg.h index 25785ae..2071a0a 100644 --- a/src/H5MFpkg.h +++ b/src/H5MFpkg.h @@ -122,6 +122,7 @@ typedef struct H5MF_sect_ud_t { hid_t dxpl_id; /* DXPL for VFD operations */ H5FD_mem_t alloc_type; /* Type of memory being allocated */ hbool_t allow_sect_absorb; /* Whether sections are allowed to absorb a block aggregator */ + hbool_t allow_eoa_shrink_only; /* Whether shrinking eoa is allowed only for the section */ /* Up */ H5MF_shrink_type_t shrink; /* Type of shrink operation to perform */ diff --git a/src/H5MFprivate.h b/src/H5MFprivate.h index b471aa3..ad5e385 100644 --- a/src/H5MFprivate.h +++ b/src/H5MFprivate.h @@ -81,6 +81,7 @@ H5_DLL haddr_t H5MF_alloc_tmp(H5F_t *f, hsize_t size); /* 'block aggregator' routines */ 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); /* Debugging routines */ #ifdef H5MF_DEBUGGING diff --git a/src/H5MFsection.c b/src/H5MFsection.c index 89b2219..0572def 100644 --- a/src/H5MFsection.c +++ b/src/H5MFsection.c @@ -328,6 +328,10 @@ HDfprintf(stderr, "%s: section {%a, %Hu}, shrinks file, eoa = %a\n", FUNC, sect- HGOTO_DONE(TRUE) } /* end if */ else { + /* Shrinking can't occur if the 'eoa_shrink_only' flag is set and we're not shrinking the EOA */ + if(udata->allow_eoa_shrink_only) + HGOTO_DONE(FALSE) + /* Check if this section is allowed to merge with metadata aggregation block */ if(udata->f->shared->fs_aggr_merge[udata->alloc_type] & H5F_FS_MERGE_METADATA) { htri_t status; /* Status from aggregator adjoin */ |