diff options
Diffstat (limited to 'src/H5FS.c')
| -rw-r--r-- | src/H5FS.c | 94 |
1 files changed, 47 insertions, 47 deletions
@@ -102,7 +102,7 @@ H5FS_create(H5F_t *f, haddr_t *fs_addr, const H5FS_create_t *fs_create, uint16_t * Allocate free space structure */ if (NULL == (fspace = H5FS__new(f, nclasses, classes, cls_init_udata))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for free space free list") + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for free space free list"); /* Initialize creation information for free space manager */ fspace->client = fs_create->client; @@ -119,11 +119,11 @@ H5FS_create(H5F_t *f, haddr_t *fs_addr, const H5FS_create_t *fs_create, uint16_t if (fs_addr) { /* Allocate space for the free space header */ if (HADDR_UNDEF == (fspace->addr = H5MF_alloc(f, H5FD_MEM_FSPACE_HDR, (hsize_t)fspace->hdr_size))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "file allocation failed for free space header") + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "file allocation failed for free space header"); /* Cache the new free space header (pinned) */ if (H5AC_insert_entry(f, H5AC_FSPACE_HDR, fspace->addr, fspace, H5AC__PIN_ENTRY_FLAG) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTINIT, NULL, "can't add free space header to cache") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTINIT, NULL, "can't add free space header to cache"); /* Return free space header address to caller, if desired */ *fs_addr = fspace->addr; @@ -189,7 +189,7 @@ H5FS_open(H5F_t *f, haddr_t fs_addr, uint16_t nclasses, const H5FS_section_class /* Protect the free space header */ if (NULL == (fspace = (H5FS_t *)H5AC_protect(f, H5AC_FSPACE_HDR, fs_addr, &cache_udata, H5AC__READ_ONLY_FLAG))) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTPROTECT, NULL, "unable to load free space header") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTPROTECT, NULL, "unable to load free space header"); #ifdef H5FS_DEBUG fprintf(stderr, "%s: fspace->sect_addr = %" PRIuHADDR "\n", __func__, fspace->sect_addr); fprintf(stderr, "%s: fspace->sect_size = %" PRIuHSIZE "\n", __func__, fspace->sect_size); @@ -201,14 +201,14 @@ H5FS_open(H5F_t *f, haddr_t fs_addr, uint16_t nclasses, const H5FS_section_class /* Increment the reference count on the free space manager header */ assert(fspace->rc <= 1); if (H5FS__incr(fspace) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTINC, NULL, "unable to increment ref. count on free space header") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTINC, NULL, "unable to increment ref. count on free space header"); fspace->alignment = alignment; fspace->align_thres = threshold; /* Unlock free space header */ if (H5AC_unprotect(f, H5AC_FSPACE_HDR, fs_addr, fspace, H5AC__NO_FLAGS_SET) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTUNPROTECT, NULL, "unable to release free space header") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTUNPROTECT, NULL, "unable to release free space header"); /* Set return value */ ret_value = fspace; @@ -260,7 +260,7 @@ H5FS_delete(H5F_t *f, haddr_t fs_addr) /* Check the free space section info's status in the metadata cache */ if (H5AC_get_entry_status(f, fs_addr, &fspace_status) < 0) HGOTO_ERROR(H5E_HEAP, H5E_CANTGET, FAIL, - "unable to check metadata cache status for free space section info") + "unable to check metadata cache status for free space section info"); fprintf(stderr, "%s: fspace_status = %0x: ", __func__, fspace_status); if (fspace_status) { @@ -298,7 +298,7 @@ H5FS_delete(H5F_t *f, haddr_t fs_addr) /* Protect the free space header */ if (NULL == (fspace = (H5FS_t *)H5AC_protect(f, H5AC_FSPACE_HDR, fs_addr, &cache_udata, H5AC__NO_FLAGS_SET))) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTPROTECT, FAIL, "unable to protect free space header") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTPROTECT, FAIL, "unable to protect free space header"); /* Sanity check */ assert(fspace->sinfo == NULL); @@ -317,7 +317,7 @@ H5FS_delete(H5F_t *f, haddr_t fs_addr) /* Check the free space section info's status in the metadata cache */ if (H5AC_get_entry_status(f, fspace->sect_addr, &sinfo_status) < 0) HGOTO_ERROR(H5E_HEAP, H5E_CANTGET, FAIL, - "unable to check metadata cache status for free space section info") + "unable to check metadata cache status for free space section info"); /* If the free space section info is in the cache, expunge it now */ if (sinfo_status & H5AC_ES__IN_CACHE) { @@ -341,7 +341,7 @@ H5FS_delete(H5F_t *f, haddr_t fs_addr) if (H5AC_expunge_entry(f, H5AC_FSPACE_SINFO, fspace->sect_addr, cache_flags) < 0) HGOTO_ERROR(H5E_HEAP, H5E_CANTREMOVE, FAIL, - "unable to remove free space section info from cache") + "unable to remove free space section info from cache"); } /* end block */ #ifdef H5FS_DEBUG @@ -355,7 +355,7 @@ H5FS_delete(H5F_t *f, haddr_t fs_addr) /* Release the space in the file */ if (!H5F_IS_TMP_ADDR(f, fspace->sect_addr)) if (H5MF_xfree(f, H5FD_MEM_FSPACE_SINFO, fspace->sect_addr, fspace->alloc_sect_size) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "unable to release free space sections") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "unable to release free space sections"); } /* end else */ } /* end if */ @@ -419,20 +419,20 @@ H5FS_close(H5F_t *f, H5FS_t *fspace) if (H5F_USE_TMP_SPACE(f)) { if (HADDR_UNDEF == (fspace->sect_addr = H5MF_alloc_tmp(f, fspace->sect_size))) HGOTO_ERROR(H5E_FSPACE, H5E_NOSPACE, FAIL, - "file allocation failed for free space sections") + "file allocation failed for free space sections"); } /* end if */ else { if (HADDR_UNDEF == (fspace->sect_addr = H5MF_alloc(f, H5FD_MEM_FSPACE_SINFO, fspace->sect_size))) HGOTO_ERROR(H5E_FSPACE, H5E_NOSPACE, FAIL, - "file allocation failed for free space sections") + "file allocation failed for free space sections"); } /* end if */ fspace->alloc_sect_size = (size_t)fspace->sect_size; /* Mark free space header as dirty */ if (H5AC_mark_entry_dirty(fspace) < 0) HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, - "unable to mark free space header as dirty") + "unable to mark free space header as dirty"); } /* end if */ } /* end if */ else @@ -442,7 +442,7 @@ H5FS_close(H5F_t *f, H5FS_t *fspace) /* Cache the free space section info */ if (H5AC_insert_entry(f, H5AC_FSPACE_SINFO, fspace->sect_addr, fspace->sinfo, H5AC__NO_FLAGS_SET) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTINIT, FAIL, "can't add free space sections to cache") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTINIT, FAIL, "can't add free space sections to cache"); } /* end if */ else { #ifdef H5FS_DEBUG @@ -481,13 +481,13 @@ H5FS_close(H5F_t *f, H5FS_t *fspace) /* Mark free space header as dirty */ if (H5AC_mark_entry_dirty(fspace) < 0) HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, - "unable to mark free space header as dirty") + "unable to mark free space header as dirty"); } /* end if */ else { if ((status = H5MF_try_shrink(f, H5FD_MEM_FSPACE_SINFO, fspace->sect_addr, fspace->alloc_sect_size)) < 0) HGOTO_ERROR(H5E_FSPACE, H5E_CANTMERGE, FAIL, - "can't check for absorbing section info") + "can't check for absorbing section info"); else if (status == FALSE) { /* Section info can't "go away", but it's free. Allow * header to record it @@ -508,7 +508,7 @@ H5FS_close(H5F_t *f, H5FS_t *fspace) /* Mark free space header as dirty */ if (H5AC_mark_entry_dirty(fspace) < 0) HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, - "unable to mark free space header as dirty") + "unable to mark free space header as dirty"); } /* end else */ } /* end else */ } /* end if */ @@ -527,19 +527,19 @@ H5FS_close(H5F_t *f, H5FS_t *fspace) /* Mark free space header as dirty */ if (H5AC_mark_entry_dirty(fspace) < 0) HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, - "unable to mark free space header as dirty") + "unable to mark free space header as dirty"); /* Free previous serialized sections disk space */ if (!H5F_IS_TMP_ADDR(f, old_sect_addr)) { if (H5MF_xfree(f, H5FD_MEM_FSPACE_SINFO, old_sect_addr, old_alloc_sect_size) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "unable to free free space sections") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "unable to free free space sections"); } /* end if */ } /* end else */ } /* end if */ /* Destroy section info */ if (H5FS__sinfo_dest(fspace->sinfo) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTCLOSEOBJ, FAIL, "unable to destroy free space section info") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTCLOSEOBJ, FAIL, "unable to destroy free space section info"); } /* end else */ /* Reset the header's pointer to the section info */ @@ -554,7 +554,7 @@ H5FS_close(H5F_t *f, H5FS_t *fspace) /* Decrement the reference count on the free space manager header */ if (H5FS__decr(fspace) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTDEC, FAIL, "unable to decrement ref. count on free space header") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTDEC, FAIL, "unable to decrement ref. count on free space header"); done: #ifdef H5FS_DEBUG @@ -589,14 +589,14 @@ H5FS__new(const H5F_t *f, uint16_t nclasses, const H5FS_section_class_t *classes * Allocate free space structure */ if (NULL == (fspace = H5FL_CALLOC(H5FS_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for free space free list") + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for free space free list"); /* Set immutable free list parameters */ H5_CHECKED_ASSIGN(fspace->nclasses, uint16_t, nclasses, size_t); if (nclasses > 0) { if (NULL == (fspace->sect_cls = H5FL_SEQ_MALLOC(H5FS_section_class_t, nclasses))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, - "memory allocation failed for free space section class array") + "memory allocation failed for free space section class array"); /* Initialize the section classes for this free space list */ for (u = 0; u < nclasses; u++) { @@ -609,7 +609,7 @@ H5FS__new(const H5F_t *f, uint16_t nclasses, const H5FS_section_class_t *classes /* Call the class initialization routine, if there is one */ if (fspace->sect_cls[u].init_cls) if ((fspace->sect_cls[u].init_cls)(&fspace->sect_cls[u], cls_init_udata) < 0) - HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, NULL, "unable to initialize section class") + HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, NULL, "unable to initialize section class"); /* Determine maximum class-specific serialization size for each section */ if (fspace->sect_cls[u].serial_size > fspace->max_cls_serial_size) @@ -694,7 +694,7 @@ H5FS__incr(H5FS_t *fspace) /* Check if we should pin the header in the cache */ if (fspace->rc == 0 && H5_addr_defined(fspace->addr)) if (H5AC_pin_protected_entry(fspace) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTPIN, FAIL, "unable to pin free space header") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTPIN, FAIL, "unable to pin free space header"); /* Increment reference count on header */ fspace->rc++; @@ -735,11 +735,11 @@ H5FS__decr(H5FS_t *fspace) if (fspace->rc == 0) { if (H5_addr_defined(fspace->addr)) { if (H5AC_unpin_entry(fspace) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTUNPIN, FAIL, "unable to unpin free space header") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTUNPIN, FAIL, "unable to unpin free space header"); } /* end if */ else { if (H5FS__hdr_dest(fspace) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTCLOSEOBJ, FAIL, "unable to destroy free space header") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTCLOSEOBJ, FAIL, "unable to destroy free space header"); } /* end else */ } /* end if */ @@ -770,7 +770,7 @@ H5FS__dirty(H5FS_t *fspace) if (H5_addr_defined(fspace->addr)) /* Mark header as dirty in cache */ if (H5AC_mark_entry_dirty(fspace) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space header as dirty") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space header as dirty"); done: FUNC_LEAVE_NOAPI(ret_value) @@ -799,11 +799,11 @@ H5FS_alloc_hdr(H5F_t *f, H5FS_t *fspace, haddr_t *fs_addr) if (!H5_addr_defined(fspace->addr)) { /* Allocate space for the free space header */ if (HADDR_UNDEF == (fspace->addr = H5MF_alloc(f, H5FD_MEM_FSPACE_HDR, (hsize_t)H5FS_HEADER_SIZE(f)))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "file allocation failed for free space header") + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "file allocation failed for free space header"); /* Cache the new free space header (pinned) */ if (H5AC_insert_entry(f, H5AC_FSPACE_HDR, fspace->addr, fspace, H5AC__PIN_ENTRY_FLAG) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTINIT, FAIL, "can't add free space header to cache") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTINIT, FAIL, "can't add free space header to cache"); } /* end if */ if (fs_addr) @@ -835,16 +835,16 @@ H5FS_alloc_sect(H5F_t *f, H5FS_t *fspace) if (!H5_addr_defined(fspace->sect_addr) && fspace->sinfo && fspace->serial_sect_count > 0) { if (HADDR_UNDEF == (fspace->sect_addr = H5MF_alloc(f, H5FD_MEM_FSPACE_SINFO, fspace->sect_size))) - HGOTO_ERROR(H5E_FSPACE, H5E_NOSPACE, FAIL, "file allocation failed for section info") + HGOTO_ERROR(H5E_FSPACE, H5E_NOSPACE, FAIL, "file allocation failed for section info"); fspace->alloc_sect_size = fspace->sect_size; /* Mark free-space header as dirty */ if (H5FS__dirty(fspace) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space header as dirty") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space header as dirty"); /* Cache the free-space section info */ if (H5AC_insert_entry(f, H5AC_FSPACE_SINFO, fspace->sect_addr, fspace->sinfo, H5AC__NO_FLAGS_SET) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTINIT, FAIL, "can't add free space sections to cache") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTINIT, FAIL, "can't add free space sections to cache"); /* Since space has been allocated for the section info and the sinfo * has been inserted into the cache, relinquish ownership (i.e. float) @@ -889,7 +889,7 @@ H5FS_free(H5F_t *f, H5FS_t *fspace, hbool_t free_file_space) /* Check whether free-space manager section info is in cache or not */ if (H5AC_get_entry_status(f, fspace->sect_addr, &sinfo_status) < 0) HGOTO_ERROR(H5E_FSPACE, H5E_CANTGET, FAIL, - "unable to check metadata cache status for free-space section info") + "unable to check metadata cache status for free-space section info"); /* Load free-space manager section info */ if (sinfo_status & H5AC_ES__IN_CACHE || !fspace->sinfo) { @@ -900,11 +900,11 @@ H5FS_free(H5F_t *f, H5FS_t *fspace, hbool_t free_file_space) cache_udata.fspace = fspace; if (NULL == (fspace->sinfo = (H5FS_sinfo_t *)H5AC_protect(f, H5AC_FSPACE_SINFO, fspace->sect_addr, &cache_udata, H5AC__READ_ONLY_FLAG))) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTPROTECT, FAIL, "unable to protect free space section info") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTPROTECT, FAIL, "unable to protect free space section info"); /* Unload and release ownership of the free-space manager section info */ if (H5AC_unprotect(f, H5AC_FSPACE_SINFO, fspace->sect_addr, fspace->sinfo, cache_flags) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTUNPROTECT, FAIL, "unable to release free space section info") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTUNPROTECT, FAIL, "unable to release free space section info"); } /* end if */ saved_addr = fspace->sect_addr; @@ -916,12 +916,12 @@ H5FS_free(H5F_t *f, H5FS_t *fspace, hbool_t free_file_space) /* Free space for the free-space manager section info */ if (!H5F_IS_TMP_ADDR(f, saved_addr)) { if (free_file_space && H5MF_xfree(f, H5FD_MEM_FSPACE_SINFO, saved_addr, saved_size) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "unable to release free space sections") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "unable to release free space sections"); } /* end if */ /* Mark free-space manager header as dirty */ if (H5FS__dirty(fspace) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space header as dirty") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space header as dirty"); } /* end if */ /* Free space for header */ @@ -931,7 +931,7 @@ H5FS_free(H5F_t *f, H5FS_t *fspace, hbool_t free_file_space) /* Check whether free-space manager header is in cache or not */ if (H5AC_get_entry_status(f, fspace->addr, &hdr_status) < 0) HGOTO_ERROR(H5E_FSPACE, H5E_CANTGET, FAIL, - "unable to check metadata cache status for free-space section info") + "unable to check metadata cache status for free-space section info"); if (hdr_status & H5AC_ES__IN_CACHE) { H5FS_hdr_cache_ud_t cache_udata; /* User-data for metadata cache callback */ @@ -944,15 +944,15 @@ H5FS_free(H5F_t *f, H5FS_t *fspace, hbool_t free_file_space) cache_udata.cls_init_udata = NULL; if (NULL == (fspace = (H5FS_t *)H5AC_protect(f, H5AC_FSPACE_HDR, fspace->addr, &cache_udata, H5AC__READ_ONLY_FLAG))) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTPROTECT, FAIL, "unable to protect free space section info") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTPROTECT, FAIL, "unable to protect free space section info"); /* Unpin the free-space manager header */ if (H5AC_unpin_entry(fspace) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTUNPIN, FAIL, "unable to unpin fractal heap header") + HGOTO_ERROR(H5E_HEAP, H5E_CANTUNPIN, FAIL, "unable to unpin fractal heap header"); /* Unload and release ownership of the free-space header */ if (H5AC_unprotect(f, H5AC_FSPACE_HDR, fspace->addr, fspace, cache_flags) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTUNPROTECT, FAIL, "unable to release free space section info") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTUNPROTECT, FAIL, "unable to release free space section info"); } /* end if */ saved_addr = fspace->addr; @@ -961,7 +961,7 @@ H5FS_free(H5F_t *f, H5FS_t *fspace, hbool_t free_file_space) /* Free space for the free-space manager header */ if (free_file_space && H5MF_xfree(f, H5FD_MEM_FSPACE_HDR, saved_addr, (hsize_t)H5FS_HEADER_SIZE(f)) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "unable to free free space header") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "unable to free free space header"); } /* end if */ done: @@ -995,7 +995,7 @@ H5FS__hdr_dest(H5FS_t *fspace) /* Call the class termination routine, if there is one */ if (fspace->sect_cls[u].term_cls) if ((fspace->sect_cls[u].term_cls)(&fspace->sect_cls[u]) < 0) - HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "unable to finalize section class") + HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "unable to finalize section class"); } /* end for */ /* Release the memory for the free space section classes */ @@ -1100,7 +1100,7 @@ H5FS__sinfo_dest(H5FS_sinfo_t *sinfo) /* Release skip list for merging sections */ if (sinfo->merge_list) if (H5SL_close(sinfo->merge_list) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTCLOSEOBJ, FAIL, "can't destroy section merging skip list") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTCLOSEOBJ, FAIL, "can't destroy section merging skip list"); /* Decrement the reference count on free space header */ /* (make certain this is last action with section info, to allow for header @@ -1108,7 +1108,7 @@ H5FS__sinfo_dest(H5FS_sinfo_t *sinfo) */ sinfo->fspace->sinfo = NULL; if (H5FS__decr(sinfo->fspace) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTDEC, FAIL, "unable to decrement ref. count on free space header") + HGOTO_ERROR(H5E_FSPACE, H5E_CANTDEC, FAIL, "unable to decrement ref. count on free space header"); sinfo->fspace = NULL; /* Release free space section info */ |