diff options
Diffstat (limited to 'src/H5Dio.c')
| -rw-r--r-- | src/H5Dio.c | 203 |
1 files changed, 98 insertions, 105 deletions
diff --git a/src/H5Dio.c b/src/H5Dio.c index 7e8e1a0..24302b2 100644 --- a/src/H5Dio.c +++ b/src/H5Dio.c @@ -25,7 +25,7 @@ #include "H5Iprivate.h" /* IDs */ #include "H5MMprivate.h" /* Memory management */ #include "H5Sprivate.h" /* Dataspace functions */ -#include "H5TBprivate.h" /* Threaded, balanced, binary trees (TBBTs) */ +#include "H5SLprivate.h" /* Skip lists */ #include "H5Vprivate.h" /* Vector and array functions */ /*#define H5D_DEBUG*/ @@ -35,13 +35,16 @@ # include "H5Rpublic.h" #endif /*H5_HAVE_PARALLEL*/ +/* Local macros */ +#define H5D_DEFAULT_SKIPLIST_HEIGHT 8 + /* Local typedefs */ /* Information for mapping between file space and memory space */ /* Structure holding information about a chunk's selection for mapping */ typedef struct H5D_chunk_info_t { - hsize_t index; /* "Index" of chunk in dataset (must be first for TBBT routines) */ + hsize_t index; /* "Index" of chunk in dataset */ size_t chunk_points; /* Number of elements selected in chunk */ H5S_t *fspace; /* Dataspace describing chunk & selection in it */ hsize_t coords[H5O_LAYOUT_NDIMS]; /* Coordinates of chunk in file dataset's dataspace */ @@ -51,7 +54,7 @@ typedef struct H5D_chunk_info_t { /* Main structure holding the mapping between file chunks and memory */ typedef struct fm_map { - H5TB_TREE *fsel; /* TBBT containing file dataspaces for all chunks */ + H5SL_t *fsel; /* Skip list containing file dataspaces for all chunks */ hsize_t last_index; /* Index of last chunk operated on */ H5D_chunk_info_t *last_chunk_info; /* Pointer to last chunk's info */ const H5S_t *file_space; /* Pointer to the file dataspace */ @@ -120,7 +123,7 @@ H5D_ioinfo_init(H5D_t *dset, const H5D_dxpl_cache_t *dxpl_cache, hid_t dxpl_id, static herr_t H5D_create_chunk_map(const H5D_t *dataset, const H5T_t *mem_type, const H5S_t *file_space, const H5S_t *mem_space, fm_map *fm); static herr_t H5D_destroy_chunk_map(const fm_map *fm); -static void H5D_free_chunk_info(void *chunk_info); +static herr_t H5D_free_chunk_info(void *item, void UNUSED *key, void UNUSED *opdata); static herr_t H5D_create_chunk_file_map_hyper(const fm_map *fm); static herr_t H5D_create_chunk_mem_map_hyper(const fm_map *fm); static herr_t H5D_chunk_file_cb(void *elem, hid_t type_id, unsigned ndims, @@ -1630,7 +1633,7 @@ H5D_chunk_read(H5D_io_info_t *io_info, hsize_t nelmts, H5D_t *dataset=io_info->dset; /* Local pointer to dataset info */ const H5D_dxpl_cache_t *dxpl_cache=io_info->dxpl_cache; /* Local pointer to dataset transfer info */ fm_map fm; /* File<->memory mapping */ - H5TB_NODE *chunk_node; /* Current node in chunk TBBT */ + H5SL_node_t *chunk_node; /* Current node in chunk skip list */ herr_t status; /*function return status*/ #ifdef H5S_DEBUG H5_timer_t timer; @@ -1677,15 +1680,15 @@ H5D_chunk_read(H5D_io_info_t *io_info, hsize_t nelmts, || dataset->shared->efl.nused>0 || 0 == nelmts || dataset->shared->layout.type==H5D_COMPACT); - /* Get first node in chunk tree */ - chunk_node=H5TB_first(fm.fsel->root); + /* Get first node in chunk skip list */ + chunk_node=H5SL_first(fm.fsel); /* Iterate through chunks to be operated on */ while(chunk_node) { H5D_chunk_info_t *chunk_info; /* chunk information */ - /* Get the actual chunk information from the tree node */ - chunk_info=chunk_node->data; + /* Get the actual chunk information from the skip list node */ + chunk_info=H5SL_item(chunk_node); /* Pass in chunk's coordinates in a union. */ store.chunk.offset = chunk_info->coords; @@ -1701,8 +1704,8 @@ H5D_chunk_read(H5D_io_info_t *io_info, hsize_t nelmts, if (status<0) HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "optimized read failed") - /* Get the next chunk node in the tree */ - chunk_node=H5TB_next(chunk_node); + /* Get the next chunk node in the skip list */ + chunk_node=H5SL_next(chunk_node); } /* end while */ #ifdef H5S_DEBUG @@ -1775,15 +1778,15 @@ H5D_chunk_read(H5D_io_info_t *io_info, hsize_t nelmts, /* Loop over all the chunks, performing I/O on each */ - /* Get first node in chunk tree */ - chunk_node=H5TB_first(fm.fsel->root); + /* Get first node in chunk skip list */ + chunk_node=H5SL_first(fm.fsel); /* Iterate through chunks to be operated on */ while(chunk_node) { H5D_chunk_info_t *chunk_info; /* chunk information */ - /* Get the actual chunk information from the tree nodes */ - chunk_info=chunk_node->data; + /* Get the actual chunk information from the skip list nodes */ + chunk_info=H5SL_item(chunk_node); /* initialize selection iterator */ if (H5S_select_iter_init(&file_iter, chunk_info->fspace, src_type_size)<0) @@ -1890,8 +1893,8 @@ H5D_chunk_read(H5D_io_info_t *io_info, hsize_t nelmts, bkg_iter_init=0; } /* end if */ - /* Get the next chunk node in the tree */ - chunk_node=H5TB_next(chunk_node); + /* Get the next chunk node in the skip list */ + chunk_node=H5SL_next(chunk_node); } /* end while */ done: @@ -1949,7 +1952,7 @@ H5D_chunk_write(H5D_io_info_t *io_info, hsize_t nelmts, H5D_t *dataset=io_info->dset; /* Local pointer to dataset info */ const H5D_dxpl_cache_t *dxpl_cache=io_info->dxpl_cache; /* Local pointer to dataset transfer info */ fm_map fm; /* File<->memory mapping */ - H5TB_NODE *chunk_node; /* Current node in chunk TBBT */ + H5SL_node_t *chunk_node; /* Current node in chunk skip list */ herr_t status; /*function return status*/ #ifdef H5S_DEBUG H5_timer_t timer; @@ -1990,15 +1993,15 @@ H5D_chunk_write(H5D_io_info_t *io_info, hsize_t nelmts, #ifdef H5S_DEBUG H5_timer_begin(&timer); #endif - /* Get first node in chunk tree */ - chunk_node=H5TB_first(fm.fsel->root); + /* Get first node in chunk skip list */ + chunk_node=H5SL_first(fm.fsel); /* Iterate through chunks to be operated on */ while(chunk_node) { H5D_chunk_info_t *chunk_info; /* chunk information */ - /* Get the actual chunk information from the tree node */ - chunk_info=chunk_node->data; + /* Get the actual chunk information from the skip list node */ + chunk_info=H5SL_item(chunk_node); /* Pass in chunk's coordinates in a union. */ store.chunk.offset = chunk_info->coords; @@ -2014,8 +2017,8 @@ H5D_chunk_write(H5D_io_info_t *io_info, hsize_t nelmts, if (status<0) HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "optimized write failed") - /* Get the next chunk node in the tree */ - chunk_node=H5TB_next(chunk_node); + /* Get the next chunk node in the skip list */ + chunk_node=H5SL_next(chunk_node); } /* end while */ #ifdef H5S_DEBUG @@ -2092,15 +2095,15 @@ H5D_chunk_write(H5D_io_info_t *io_info, hsize_t nelmts, /* Loop over all the chunks, performing I/O on each */ - /* Get first node in chunk tree */ - chunk_node=H5TB_first(fm.fsel->root); + /* Get first node in chunk skip list */ + chunk_node=H5SL_first(fm.fsel); /* Iterate through chunks to be operated on */ while(chunk_node) { H5D_chunk_info_t *chunk_info; /* chunk information */ - /* Get the actual chunk information from the tree node */ - chunk_info=chunk_node->data; + /* Get the actual chunk information from the skip list node */ + chunk_info=H5SL_item(chunk_node); /* initialize selection iterator */ if (H5S_select_iter_init(&file_iter, chunk_info->fspace, dst_type_size)<0) @@ -2206,8 +2209,8 @@ H5D_chunk_write(H5D_io_info_t *io_info, hsize_t nelmts, bkg_iter_init=0; } /* end if */ - /* Get the next chunk node in the tree */ - chunk_node=H5TB_next(chunk_node); + /* Get the next chunk node in the skip list */ + chunk_node=H5SL_next(chunk_node); } /* end while */ done: @@ -2362,7 +2365,7 @@ H5D_create_chunk_map(const H5D_t *dataset, const H5T_t *mem_type, const H5S_t *f hbool_t iter_init=0; /* Selection iteration info has been initialized */ unsigned f_ndims; /* The number of dimensions of the file's dataspace */ int sm_ndims; /* The number of dimensions of the memory buffer's dataspace (signed) */ - H5TB_NODE *curr_node; /* Current node in TBBT */ + H5SL_node_t *curr_node; /* Current node in skip list */ H5S_sel_type fsel_type; /* Selection type on disk */ char bogus; /* "bogus" buffer to pass to selection iterator */ unsigned u; /* Local index variable */ @@ -2417,9 +2420,9 @@ H5D_create_chunk_map(const H5D_t *dataset, const H5T_t *mem_type, const H5S_t *f if(H5V_array_down(f_ndims,fm->chunks,fm->down_chunks)<0) HGOTO_ERROR (H5E_INTERNAL, H5E_BADVALUE, FAIL, "can't compute 'down' sizes") - /* Initialize TBBT for chunk selections */ - if((fm->fsel=H5TB_fast_dmake(H5TB_FAST_HSIZE_COMPARE))==NULL) - HGOTO_ERROR(H5E_DATASET,H5E_CANTMAKETREE,FAIL,"can't create TBBT for chunk selections") + /* Initialize skip list for chunk selections */ + if((fm->fsel=H5SL_create(H5SL_TYPE_HSIZE,0.5,H5D_DEFAULT_SKIPLIST_HEIGHT))==NULL) + HGOTO_ERROR(H5E_DATASET,H5E_CANTMAKETREE,FAIL,"can't create skip list for chunk selections") /* Initialize "last chunk" information */ fm->last_index=(hsize_t)-1; @@ -2456,20 +2459,20 @@ H5D_create_chunk_map(const H5D_t *dataset, const H5T_t *mem_type, const H5S_t *f HGOTO_ERROR (H5E_DATASET, H5E_CANTINIT, FAIL, "unable to create file chunk selections") /* Clean file chunks' hyperslab span "scratch" information */ - curr_node=H5TB_first(fm->fsel->root); + curr_node=H5SL_first(fm->fsel); while(curr_node) { H5D_chunk_info_t *chunk_info; /* Pointer chunk information */ /* Get pointer to chunk's information */ - chunk_info=curr_node->data; + chunk_info=H5SL_item(curr_node); assert(chunk_info); /* Clean hyperslab span's "scratch" information */ if(H5S_hyper_reset_scratch(chunk_info->fspace)<0) HGOTO_ERROR (H5E_DATASET, H5E_CANTFREE, FAIL, "unable to reset span scratch info") - /* Get the next chunk node in the TBBT */ - curr_node=H5TB_next(curr_node); + /* Get the next chunk node in the skip list */ + curr_node=H5SL_next(curr_node); } /* end while */ } /* end else */ @@ -2518,20 +2521,20 @@ H5D_create_chunk_map(const H5D_t *dataset, const H5T_t *mem_type, const H5S_t *f /* Clean up hyperslab stuff, if necessary */ if(fm->msel_type!=H5S_SEL_POINTS) { /* Clean memory chunks' hyperslab span "scratch" information */ - curr_node=H5TB_first(fm->fsel->root); + curr_node=H5SL_first(fm->fsel); while(curr_node) { H5D_chunk_info_t *chunk_info; /* Pointer chunk information */ /* Get pointer to chunk's information */ - chunk_info=curr_node->data; + chunk_info=H5SL_item(curr_node); assert(chunk_info); /* Clean hyperslab span's "scratch" information */ if(H5S_hyper_reset_scratch(chunk_info->mspace)<0) HGOTO_ERROR (H5E_DATASET, H5E_CANTFREE, FAIL, "unable to reset span scratch info") - /* Get the next chunk node in the TBBT */ - curr_node=H5TB_next(curr_node); + /* Get the next chunk node in the skip list */ + curr_node=H5SL_next(curr_node); } /* end while */ } /* end if */ } /* end else */ @@ -2573,24 +2576,23 @@ done: NAME H5D_free_chunk_info PURPOSE - Internal routine to destroy a chunk info node (Wrapper for compatibility - with H5TB_dfree) + Internal routine to destroy a chunk info node USAGE void H5D_free_chunk_info(chunk_info) void *chunk_info; IN: Pointer to chunk info to destroy RETURNS No return value DESCRIPTION - Releases all the memory for a chunk info node. + Releases all the memory for a chunk info node. Called by H5SL_iterate GLOBAL VARIABLES COMMENTS, BUGS, ASSUMPTIONS EXAMPLES REVISION LOG --------------------------------------------------------------------------*/ -static void -H5D_free_chunk_info(void *_chunk_info) +static herr_t +H5D_free_chunk_info(void *item, void UNUSED *key, void UNUSED *opdata) { - H5D_chunk_info_t *chunk_info=(H5D_chunk_info_t *)_chunk_info; + H5D_chunk_info_t *chunk_info=(H5D_chunk_info_t *)item; FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5D_free_chunk_info) @@ -2606,7 +2608,7 @@ H5D_free_chunk_info(void *_chunk_info) /* Free the actual chunk info */ H5FL_FREE(H5D_chunk_info_t,chunk_info); - FUNC_LEAVE_NOAPI_VOID + FUNC_LEAVE_NOAPI(0); } /* H5D_free_chunk_info() */ @@ -2631,9 +2633,14 @@ H5D_destroy_chunk_map(const fm_map *fm) FUNC_ENTER_NOAPI_NOINIT(H5D_destroy_chunk_map) - /* Free the chunk info tree */ - if(fm->fsel) - H5TB_dfree(fm->fsel,H5D_free_chunk_info,NULL); + /* Free the chunk info skip list */ + if(fm->fsel) { + if(H5SL_count(fm->fsel)>0) + if(H5SL_iterate(fm->fsel,H5D_free_chunk_info,NULL)<0) + HGOTO_ERROR(H5E_PLIST,H5E_CANTNEXT,FAIL,"can't iterate over chunks") + + H5SL_close(fm->fsel); + } /* end if */ /* Free the memory chunk dataspace template */ if(fm->mchunk_tmpl) @@ -2705,7 +2712,7 @@ H5D_create_chunk_file_map_hyper(const fm_map *fm) /* (Casting away const OK - QAK) */ if(H5S_hyper_intersect_block((H5S_t *)fm->file_space,coords,end)==TRUE) { H5S_t *tmp_fchunk; /* Temporary file dataspace */ - H5D_chunk_info_t *new_chunk_info; /* chunk information to insert into tree */ + H5D_chunk_info_t *new_chunk_info; /* chunk information to insert into skip list */ hssize_t schunk_points; /* Number of elements in chunk selection */ /* Create "temporary" chunk for selection operations (copy file space) */ @@ -2767,10 +2774,10 @@ H5D_create_chunk_file_map_hyper(const fm_map *fm) new_chunk_info->coords[u]=coords[u]; new_chunk_info->coords[fm->f_ndims]=0; - /* Insert the new chunk into the TBBT tree */ - if(H5TB_dins(fm->fsel,new_chunk_info,new_chunk_info)==NULL) { - H5D_free_chunk_info(new_chunk_info); - HGOTO_ERROR(H5E_DATASPACE,H5E_CANTINSERT,FAIL,"can't insert chunk into TBBT") + /* Insert the new chunk into the skip list */ + if(H5SL_insert(fm->fsel,new_chunk_info,&new_chunk_info->index)<0) { + H5D_free_chunk_info(new_chunk_info,NULL,NULL); + HGOTO_ERROR(H5E_DATASPACE,H5E_CANTINSERT,FAIL,"can't insert chunk into skip list") } /* end if */ /* Get number of elements selected in chunk */ @@ -2845,10 +2852,10 @@ done: static herr_t H5D_create_chunk_mem_map_hyper(const fm_map *fm) { - H5TB_NODE *curr_node; /* Current node in TBBT */ - hsize_t file_sel_start[H5O_LAYOUT_NDIMS]; /* Offset of low bound of file selection */ - hsize_t file_sel_end[H5O_LAYOUT_NDIMS]; /* Offset of high bound of file selection */ - hsize_t mem_sel_start[H5O_LAYOUT_NDIMS]; /* Offset of low bound of file selection */ + H5SL_node_t *curr_node; /* Current node in skip list */ + hsize_t file_sel_start[H5O_LAYOUT_NDIMS]; /* Offset of low bound of file selection */ + hsize_t file_sel_end[H5O_LAYOUT_NDIMS]; /* Offset of high bound of file selection */ + hsize_t mem_sel_start[H5O_LAYOUT_NDIMS]; /* Offset of low bound of file selection */ hsize_t mem_sel_end[H5O_LAYOUT_NDIMS]; /* Offset of high bound of file selection */ hssize_t adjust[H5O_LAYOUT_NDIMS]; /* Adjustment to make to all file chunks */ hssize_t chunk_adjust[H5O_LAYOUT_NDIMS]; /* Adjustment to make to a particular chunk */ @@ -2861,14 +2868,14 @@ H5D_create_chunk_mem_map_hyper(const fm_map *fm) assert(fm->f_ndims>0); /* Check for all I/O going to a single chunk */ - if(H5TB_count(fm->fsel)==1) { + if(H5SL_count(fm->fsel)==1) { H5D_chunk_info_t *chunk_info; /* Pointer to chunk information */ /* Get the node */ - curr_node=H5TB_first(fm->fsel->root); + curr_node=H5SL_first(fm->fsel); /* Get pointer to chunk's information */ - chunk_info=curr_node->data; + chunk_info=H5SL_item(curr_node); assert(chunk_info); /* Check if it's OK to share dataspace */ @@ -2904,12 +2911,12 @@ H5D_create_chunk_mem_map_hyper(const fm_map *fm) } /* end for */ /* Iterate over each chunk in the chunk list */ - curr_node=H5TB_first(fm->fsel->root); + curr_node=H5SL_first(fm->fsel); while(curr_node) { H5D_chunk_info_t *chunk_info; /* Pointer to chunk information */ /* Get pointer to chunk's information */ - chunk_info=curr_node->data; + chunk_info=H5SL_item(curr_node); assert(chunk_info); /* Copy the information */ @@ -2936,8 +2943,8 @@ H5D_create_chunk_mem_map_hyper(const fm_map *fm) if(H5S_hyper_adjust_s(chunk_info->mspace,chunk_adjust)<0) /*lint !e772 The chunk_adjust array will always be initialized */ HGOTO_ERROR(H5E_DATASPACE, H5E_CANTSELECT, FAIL, "can't adjust chunk selection") - /* Get the next chunk node in the TBBT */ - curr_node=H5TB_next(curr_node); + /* Get the next chunk node in the skip list */ + curr_node=H5SL_next(curr_node); } /* end while */ } /* end else */ @@ -2977,7 +2984,7 @@ H5D_chunk_file_cb(void UNUSED *elem, hid_t UNUSED type_id, unsigned ndims, const if(H5V_chunk_index(ndims,coords,fm->layout->u.chunk.dim,fm->down_chunks,&chunk_index)<0) HGOTO_ERROR (H5E_DATASPACE, H5E_BADRANGE, FAIL, "can't get chunk index") - /* Find correct chunk in file & memory TBBTs */ + /* Find correct chunk in file & memory skip list */ if(chunk_index==fm->last_index) { /* If the chunk index is the same as the last chunk index we used, * get the cached info to operate on. @@ -2985,67 +2992,58 @@ H5D_chunk_file_cb(void UNUSED *elem, hid_t UNUSED type_id, unsigned ndims, const chunk_info=fm->last_chunk_info; } /* end if */ else { - H5TB_NODE *chunk_node; /* TBBT node holding chunk information */ - /* If the chunk index is not the same as the last chunk index we used, - * find the chunk in the tree. + * find the chunk in the skip list. */ - /* Get the chunk node from the TBBT */ - if((chunk_node=H5TB_dfind(fm->fsel,&chunk_index,NULL))==NULL) { - H5D_chunk_info_t *new_chunk_info; /* Chunk information to insert into tree */ + /* Get the chunk node from the skip list */ + if((chunk_info=H5SL_search(fm->fsel,&chunk_index))==NULL) { H5S_t *fspace; /* Memory chunk's dataspace */ /* Allocate the file & memory chunk information */ - if (NULL==(new_chunk_info = H5FL_MALLOC (H5D_chunk_info_t))) + if (NULL==(chunk_info = H5FL_MALLOC (H5D_chunk_info_t))) HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate chunk info") /* Initialize the chunk information */ /* Set the chunk index */ - new_chunk_info->index=chunk_index; + chunk_info->index=chunk_index; /* Create a dataspace for the chunk */ if((fspace = H5S_create_simple(fm->f_ndims,fm->chunk_dim,NULL))==NULL) { - H5FL_FREE(H5D_chunk_info_t,new_chunk_info); + H5FL_FREE(H5D_chunk_info_t,chunk_info); HGOTO_ERROR (H5E_DATASPACE, H5E_CANTCREATE, FAIL, "unable to create dataspace for chunk") } /* end if */ /* De-select the chunk space */ if(H5S_select_none(fspace)<0) { (void)H5S_close(fspace); - H5FL_FREE(H5D_chunk_info_t,new_chunk_info); + H5FL_FREE(H5D_chunk_info_t,chunk_info); HGOTO_ERROR (H5E_DATASPACE, H5E_CANTINIT, FAIL, "unable to de-select dataspace") } /* end if */ /* Set the file chunk dataspace */ - new_chunk_info->fspace=fspace; + chunk_info->fspace=fspace; /* Set the memory chunk dataspace */ - new_chunk_info->mspace=NULL; - new_chunk_info->mspace_shared=0; + chunk_info->mspace=NULL; + chunk_info->mspace_shared=0; /* Set the number of selected elements in chunk to zero */ - new_chunk_info->chunk_points=0; + chunk_info->chunk_points=0; /* Compute the chunk's coordinates */ for(u=0; u<fm->f_ndims; u++) { H5_CHECK_OVERFLOW(fm->layout->u.chunk.dim[u],hsize_t,hssize_t); - new_chunk_info->coords[u]=(coords[u]/(hssize_t)fm->layout->u.chunk.dim[u])*(hssize_t)fm->layout->u.chunk.dim[u]; + chunk_info->coords[u]=(coords[u]/(hssize_t)fm->layout->u.chunk.dim[u])*(hssize_t)fm->layout->u.chunk.dim[u]; } /* end for */ - new_chunk_info->coords[fm->f_ndims]=0; + chunk_info->coords[fm->f_ndims]=0; - /* Insert the new chunk into the TBBT tree */ - if(H5TB_dins(fm->fsel,new_chunk_info,new_chunk_info)==NULL) { - H5D_free_chunk_info(new_chunk_info); - HGOTO_ERROR(H5E_DATASPACE,H5E_CANTINSERT,FAIL,"can't insert chunk into TBBT") + /* Insert the new chunk into the skip list */ + if(H5SL_insert(fm->fsel,chunk_info,&chunk_info->index)<0) { + H5D_free_chunk_info(chunk_info,NULL,NULL); + HGOTO_ERROR(H5E_DATASPACE,H5E_CANTINSERT,FAIL,"can't insert chunk into skip list") } /* end if */ - - /* Save the chunk info pointer */ - chunk_info=new_chunk_info; } /* end if */ - else - /* Get the information from the node */ - chunk_info=(H5D_chunk_info_t *)(chunk_node->data); /* Update the "last chunk seen" information */ fm->last_index=chunk_index; @@ -3101,7 +3099,7 @@ H5D_chunk_mem_cb(void UNUSED *elem, hid_t UNUSED type_id, unsigned ndims, const if(H5V_chunk_index(ndims,coords,fm->layout->u.chunk.dim,fm->down_chunks,&chunk_index)<0) HGOTO_ERROR (H5E_DATASPACE, H5E_BADRANGE, FAIL, "can't get chunk index") - /* Find correct chunk in file & memory TBBTs */ + /* Find correct chunk in file & memory skip list */ if(chunk_index==fm->last_index) { /* If the chunk index is the same as the last chunk index we used, * get the cached spaces to operate on. @@ -3109,17 +3107,12 @@ H5D_chunk_mem_cb(void UNUSED *elem, hid_t UNUSED type_id, unsigned ndims, const chunk_info=fm->last_chunk_info; } /* end if */ else { - H5TB_NODE *chunk_node; /* TBBT node holding chunk information */ - /* If the chunk index is not the same as the last chunk index we used, - * find the chunk in the tree. + * find the chunk in the skip list. */ - /* Get the chunk node from the TBBT */ - if((chunk_node=H5TB_dfind(fm->fsel,&chunk_index,NULL))==NULL) - HGOTO_ERROR(H5E_DATASPACE,H5E_NOTFOUND,FAIL,"can't locate chunk in TBBT") - - /* Get the chunk info pointer */ - chunk_info=(H5D_chunk_info_t *)(chunk_node->data); + /* Get the chunk node from the skip list */ + if((chunk_info=H5SL_search(fm->fsel,&chunk_index))==NULL) + HGOTO_ERROR(H5E_DATASPACE,H5E_NOTFOUND,FAIL,"can't locate chunk in skip list") /* Check if the chunk already has a memory space */ if(chunk_info->mspace==NULL) { |