From 67d7d28c038fb027feed570d6e6b25fdab4865dc Mon Sep 17 00:00:00 2001 From: Quincey Koziol Date: Tue, 20 Aug 2019 18:21:53 -0500 Subject: Begin converting dataset code to use shared file pointer instead of top file pointer. --- src/H5Dcontig.c | 60 +++++++++++++++++++------------------- src/H5Dio.c | 1 + src/H5Dpkg.h | 4 +++ src/H5Fio.c | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ src/H5Fprivate.h | 2 ++ 5 files changed, 126 insertions(+), 30 deletions(-) diff --git a/src/H5Dcontig.c b/src/H5Dcontig.c index 8733633..8f7a7ca 100644 --- a/src/H5Dcontig.c +++ b/src/H5Dcontig.c @@ -58,7 +58,7 @@ /* Callback info for sieve buffer readvv operation */ typedef struct H5D_contig_readvv_sieve_ud_t { - H5F_t *file; /* File for dataset */ + H5F_file_t *f_sh; /* Shared file for dataset */ H5D_rdcdc_t *dset_contig; /* Cached information about contiguous data */ const H5D_contig_storage_t *store_contig; /* Contiguous storage info for this I/O operation */ unsigned char *rbuf; /* Pointer to buffer to fill */ @@ -66,14 +66,14 @@ typedef struct H5D_contig_readvv_sieve_ud_t { /* Callback info for [plain] readvv operation */ typedef struct H5D_contig_readvv_ud_t { - H5F_t *file; /* File for dataset */ + H5F_file_t *f_sh; /* Shared file for dataset */ haddr_t dset_addr; /* Address of dataset */ unsigned char *rbuf; /* Pointer to buffer to fill */ } H5D_contig_readvv_ud_t; /* Callback info for sieve buffer writevv operation */ typedef struct H5D_contig_writevv_sieve_ud_t { - H5F_t *file; /* File for dataset */ + H5F_file_t *f_sh; /* Shared file for dataset */ H5D_rdcdc_t *dset_contig; /* Cached information about contiguous data */ const H5D_contig_storage_t *store_contig; /* Contiguous storage info for this I/O operation */ const unsigned char *wbuf; /* Pointer to buffer to write */ @@ -81,7 +81,7 @@ typedef struct H5D_contig_writevv_sieve_ud_t { /* Callback info for [plain] writevv operation */ typedef struct H5D_contig_writevv_ud_t { - H5F_t *file; /* File for dataset */ + H5F_file_t *f_sh; /* Shared file for dataset */ haddr_t dset_addr; /* Address of dataset */ const unsigned char *wbuf; /* Pointer to buffer to write */ } H5D_contig_writevv_ud_t; @@ -718,7 +718,7 @@ H5D__contig_readvv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, void *_udata) { H5D_contig_readvv_sieve_ud_t *udata = (H5D_contig_readvv_sieve_ud_t *)_udata; /* User data for H5VM_opvv() operator */ - H5F_t *file = udata->file; /* File for dataset */ + H5F_file_t *f_sh = udata->f_sh; /* Shared file for dataset */ H5D_rdcdc_t *dset_contig = udata->dset_contig; /* Cached information about contiguous data */ const H5D_contig_storage_t *store_contig = udata->store_contig; /* Contiguous storage info for this I/O operation */ unsigned char *buf; /* Pointer to buffer to fill */ @@ -750,7 +750,7 @@ H5D__contig_readvv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, if(NULL == dset_contig->sieve_buf) { /* Check if we can actually hold the I/O request in the sieve buffer */ if(len > dset_contig->sieve_buf_size) { - if(H5F_block_read(file, H5FD_MEM_DRAW, addr, len, buf) < 0) + if(H5F_shared_block_read(f_sh, H5FD_MEM_DRAW, addr, len, buf) < 0) HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "block read failed") } /* end if */ else { @@ -762,7 +762,7 @@ H5D__contig_readvv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, dset_contig->sieve_loc = addr; /* Make certain we don't read off the end of the file */ - if(HADDR_UNDEF == (rel_eoa = H5F_get_eoa(file, H5FD_MEM_DRAW))) + if(HADDR_UNDEF == (rel_eoa = H5F_shared_get_eoa(f_sh, H5FD_MEM_DRAW))) HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to determine file size") /* Set up the buffer parameters */ @@ -773,7 +773,7 @@ H5D__contig_readvv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, H5_CHECKED_ASSIGN(dset_contig->sieve_size, size_t, min, hsize_t); /* Read the new sieve buffer */ - if(H5F_block_read(file, H5FD_MEM_DRAW, dset_contig->sieve_loc, dset_contig->sieve_size, dset_contig->sieve_buf) < 0) + if(H5F_shared_block_read(f_sh, H5FD_MEM_DRAW, dset_contig->sieve_loc, dset_contig->sieve_size, dset_contig->sieve_buf) < 0) HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "block read failed") /* Grab the data out of the buffer (must be first piece of data in buffer ) */ @@ -804,7 +804,7 @@ H5D__contig_readvv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, /* Flush the sieve buffer, if it's dirty */ if(dset_contig->sieve_dirty) { /* Write to file */ - if(H5F_block_write(file, H5FD_MEM_DRAW, sieve_start, sieve_size, dset_contig->sieve_buf) < 0) + if(H5F_shared_block_write(f_sh, H5FD_MEM_DRAW, sieve_start, sieve_size, dset_contig->sieve_buf) < 0) HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "block write failed") /* Reset sieve buffer dirty flag */ @@ -813,7 +813,7 @@ H5D__contig_readvv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, } /* end if */ /* Read directly into the user's buffer */ - if(H5F_block_read(file, H5FD_MEM_DRAW, addr, len, buf) < 0) + if(H5F_shared_block_read(f_sh, H5FD_MEM_DRAW, addr, len, buf) < 0) HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "block read failed") } /* end if */ /* Element size fits within the buffer size */ @@ -821,7 +821,7 @@ H5D__contig_readvv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, /* Flush the sieve buffer if it's dirty */ if(dset_contig->sieve_dirty) { /* Write to file */ - if(H5F_block_write(file, H5FD_MEM_DRAW, sieve_start, sieve_size, dset_contig->sieve_buf) < 0) + if(H5F_shared_block_write(f_sh, H5FD_MEM_DRAW, sieve_start, sieve_size, dset_contig->sieve_buf) < 0) HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "block write failed") /* Reset sieve buffer dirty flag */ @@ -832,7 +832,7 @@ H5D__contig_readvv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, dset_contig->sieve_loc = addr; /* Make certain we don't read off the end of the file */ - if(HADDR_UNDEF == (rel_eoa = H5F_get_eoa(file, H5FD_MEM_DRAW))) + if(HADDR_UNDEF == (rel_eoa = H5F_shared_get_eoa(f_sh, H5FD_MEM_DRAW))) HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to determine file size") /* Only need this when resizing sieve buffer */ @@ -847,7 +847,7 @@ H5D__contig_readvv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, H5_CHECKED_ASSIGN(dset_contig->sieve_size, size_t, min, hsize_t); /* Read the new sieve buffer */ - if(H5F_block_read(file, H5FD_MEM_DRAW, dset_contig->sieve_loc, dset_contig->sieve_size, dset_contig->sieve_buf) < 0) + if(H5F_shared_block_read(f_sh, H5FD_MEM_DRAW, dset_contig->sieve_loc, dset_contig->sieve_size, dset_contig->sieve_buf) < 0) HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "block read failed") /* Grab the data out of the buffer (must be first piece of data in buffer ) */ @@ -885,7 +885,7 @@ H5D__contig_readvv_cb(hsize_t dst_off, hsize_t src_off, size_t len, void *_udata FUNC_ENTER_STATIC /* Write data */ - if(H5F_block_read(udata->file, H5FD_MEM_DRAW, (udata->dset_addr + dst_off), + if(H5F_shared_block_read(udata->f_sh, H5FD_MEM_DRAW, (udata->dset_addr + dst_off), len, (udata->rbuf + src_off)) < 0) HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "block write failed") @@ -931,11 +931,11 @@ H5D__contig_readvv(const H5D_io_info_t *io_info, HDassert(mem_off_arr); /* Check if data sieving is enabled */ - if(H5F_HAS_FEATURE(io_info->dset->oloc.file, H5FD_FEAT_DATA_SIEVE)) { + if(H5F_SHARED_HAS_FEATURE(io_info->f_sh, H5FD_FEAT_DATA_SIEVE)) { H5D_contig_readvv_sieve_ud_t udata; /* User data for H5VM_opvv() operator */ /* Set up user data for H5VM_opvv() */ - udata.file = io_info->dset->oloc.file; + udata.f_sh = io_info->f_sh; udata.dset_contig = &(io_info->dset->shared->cache.contig); udata.store_contig = &(io_info->store->contig); udata.rbuf = (unsigned char *)io_info->u.rbuf; @@ -950,7 +950,7 @@ H5D__contig_readvv(const H5D_io_info_t *io_info, H5D_contig_readvv_ud_t udata; /* User data for H5VM_opvv() operator */ /* Set up user data for H5VM_opvv() */ - udata.file = io_info->dset->oloc.file; + udata.f_sh = io_info->f_sh; udata.dset_addr = io_info->store->contig.dset_addr; udata.rbuf = (unsigned char *)io_info->u.rbuf; @@ -983,7 +983,7 @@ H5D__contig_writevv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, void *_udata) { H5D_contig_writevv_sieve_ud_t *udata = (H5D_contig_writevv_sieve_ud_t *)_udata; /* User data for H5VM_opvv() operator */ - H5F_t *file = udata->file; /* File for dataset */ + H5F_file_t *f_sh = udata->f_sh; /* Shared file for dataset */ H5D_rdcdc_t *dset_contig = udata->dset_contig; /* Cached information about contiguous data */ const H5D_contig_storage_t *store_contig = udata->store_contig; /* Contiguous storage info for this I/O operation */ const unsigned char *buf; /* Pointer to buffer to fill */ @@ -1015,7 +1015,7 @@ H5D__contig_writevv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, if(NULL == dset_contig->sieve_buf) { /* Check if we can actually hold the I/O request in the sieve buffer */ if(len > dset_contig->sieve_buf_size) { - if(H5F_block_write(file, H5FD_MEM_DRAW, addr, len, buf) < 0) + if(H5F_shared_block_write(f_sh, H5FD_MEM_DRAW, addr, len, buf) < 0) HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "block write failed") } /* end if */ else { @@ -1031,7 +1031,7 @@ H5D__contig_writevv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, dset_contig->sieve_loc = addr; /* Make certain we don't read off the end of the file */ - if(HADDR_UNDEF == (rel_eoa = H5F_get_eoa(file, H5FD_MEM_DRAW))) + if(HADDR_UNDEF == (rel_eoa = H5F_shared_get_eoa(f_sh, H5FD_MEM_DRAW))) HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to determine file size") /* Set up the buffer parameters */ @@ -1044,7 +1044,7 @@ H5D__contig_writevv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, /* Check if there is any point in reading the data from the file */ if(dset_contig->sieve_size > len) { /* Read the new sieve buffer */ - if(H5F_block_read(file, H5FD_MEM_DRAW, dset_contig->sieve_loc, dset_contig->sieve_size, dset_contig->sieve_buf) < 0) + if(H5F_shared_block_read(f_sh, H5FD_MEM_DRAW, dset_contig->sieve_loc, dset_contig->sieve_size, dset_contig->sieve_buf) < 0) HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "block read failed") } /* end if */ @@ -1084,7 +1084,7 @@ H5D__contig_writevv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, /* Flush the sieve buffer, if it's dirty */ if(dset_contig->sieve_dirty) { /* Write to file */ - if(H5F_block_write(file, H5FD_MEM_DRAW, sieve_start, sieve_size, dset_contig->sieve_buf) < 0) + if(H5F_shared_block_write(f_sh, H5FD_MEM_DRAW, sieve_start, sieve_size, dset_contig->sieve_buf) < 0) HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "block write failed") /* Reset sieve buffer dirty flag */ @@ -1097,7 +1097,7 @@ H5D__contig_writevv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, } /* end if */ /* Write directly from the user's buffer */ - if(H5F_block_write(file, H5FD_MEM_DRAW, addr, len, buf) < 0) + if(H5F_shared_block_write(f_sh, H5FD_MEM_DRAW, addr, len, buf) < 0) HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "block write failed") } /* end if */ /* Element size fits within the buffer size */ @@ -1132,7 +1132,7 @@ H5D__contig_writevv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, /* Flush the sieve buffer if it's dirty */ if(dset_contig->sieve_dirty) { /* Write to file */ - if(H5F_block_write(file, H5FD_MEM_DRAW, sieve_start, sieve_size, dset_contig->sieve_buf) < 0) + if(H5F_shared_block_write(f_sh, H5FD_MEM_DRAW, sieve_start, sieve_size, dset_contig->sieve_buf) < 0) HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "block write failed") /* Reset sieve buffer dirty flag */ @@ -1143,7 +1143,7 @@ H5D__contig_writevv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, dset_contig->sieve_loc = addr; /* Make certain we don't read off the end of the file */ - if(HADDR_UNDEF == (rel_eoa = H5F_get_eoa(file, H5FD_MEM_DRAW))) + if(HADDR_UNDEF == (rel_eoa = H5F_shared_get_eoa(f_sh, H5FD_MEM_DRAW))) HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to determine file size") /* Only need this when resizing sieve buffer */ @@ -1160,7 +1160,7 @@ H5D__contig_writevv_sieve_cb(hsize_t dst_off, hsize_t src_off, size_t len, /* Check if there is any point in reading the data from the file */ if(dset_contig->sieve_size > len) { /* Read the new sieve buffer */ - if(H5F_block_read(file, H5FD_MEM_DRAW, dset_contig->sieve_loc, dset_contig->sieve_size, dset_contig->sieve_buf) < 0) + if(H5F_shared_block_read(f_sh, H5FD_MEM_DRAW, dset_contig->sieve_loc, dset_contig->sieve_size, dset_contig->sieve_buf) < 0) HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "block read failed") } /* end if */ @@ -1200,7 +1200,7 @@ H5D__contig_writevv_cb(hsize_t dst_off, hsize_t src_off, size_t len, void *_udat FUNC_ENTER_STATIC /* Write data */ - if(H5F_block_write(udata->file, H5FD_MEM_DRAW, (udata->dset_addr + dst_off), len, (udata->wbuf + src_off)) < 0) + if(H5F_shared_block_write(udata->f_sh, H5FD_MEM_DRAW, (udata->dset_addr + dst_off), len, (udata->wbuf + src_off)) < 0) HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "block write failed") done: @@ -1245,11 +1245,11 @@ H5D__contig_writevv(const H5D_io_info_t *io_info, HDassert(mem_off_arr); /* Check if data sieving is enabled */ - if(H5F_HAS_FEATURE(io_info->dset->oloc.file, H5FD_FEAT_DATA_SIEVE)) { + if(H5F_SHARED_HAS_FEATURE(io_info->f_sh, H5FD_FEAT_DATA_SIEVE)) { H5D_contig_writevv_sieve_ud_t udata; /* User data for H5VM_opvv() operator */ /* Set up user data for H5VM_opvv() */ - udata.file = io_info->dset->oloc.file; + udata.f_sh = io_info->f_sh; udata.dset_contig = &(io_info->dset->shared->cache.contig); udata.store_contig = &(io_info->store->contig); udata.wbuf = (const unsigned char *)io_info->u.wbuf; @@ -1264,7 +1264,7 @@ H5D__contig_writevv(const H5D_io_info_t *io_info, H5D_contig_writevv_ud_t udata; /* User data for H5VM_opvv() operator */ /* Set up user data for H5VM_opvv() */ - udata.file = io_info->dset->oloc.file; + udata.f_sh = io_info->f_sh; udata.dset_addr = io_info->store->contig.dset_addr; udata.wbuf = (const unsigned char *)io_info->u.wbuf; diff --git a/src/H5Dio.c b/src/H5Dio.c index cdb73e3..1e6e70d 100644 --- a/src/H5Dio.c +++ b/src/H5Dio.c @@ -857,6 +857,7 @@ H5D__ioinfo_init(H5D_t *dset, const H5D_type_info_t *type_info, /* Set up "normal" I/O fields */ io_info->dset = dset; + io_info->f_sh = H5F_SHARED(dset->oloc.file); io_info->store = store; /* Set I/O operations to initial values */ diff --git a/src/H5Dpkg.h b/src/H5Dpkg.h index 638c8a5..878fda3 100644 --- a/src/H5Dpkg.h +++ b/src/H5Dpkg.h @@ -47,11 +47,13 @@ /* [Simple] Macro to construct a H5D_io_info_t from it's components */ #define H5D_BUILD_IO_INFO_WRT(io_info, ds, str, buf) \ (io_info)->dset = ds; \ + (io_info)->f_sh = H5F_SHARED((ds)->oloc.file); \ (io_info)->store = str; \ (io_info)->op_type = H5D_IO_OP_WRITE; \ (io_info)->u.wbuf = buf #define H5D_BUILD_IO_INFO_RD(io_info, ds, str, buf) \ (io_info)->dset = ds; \ + (io_info)->f_sh = H5F_SHARED((ds)->oloc.file); \ (io_info)->store = str; \ (io_info)->op_type = H5D_IO_OP_READ; \ (io_info)->u.rbuf = buf @@ -207,6 +209,8 @@ typedef enum H5D_io_op_type_t { typedef struct H5D_io_info_t { const H5D_t *dset; /* Pointer to dataset being operated on */ +/* QAK: Delete the f_sh field when oloc has a shared file pointer? */ + H5F_file_t *f_sh; /* Pointer to shared file struct that dataset is within */ #ifdef H5_HAVE_PARALLEL MPI_Comm comm; /* MPI communicator for file */ hbool_t using_mpi_vfd; /* Whether the file is using an MPI-based VFD */ diff --git a/src/H5Fio.c b/src/H5Fio.c index a4a6e01..d2d0dba 100644 --- a/src/H5Fio.c +++ b/src/H5Fio.c @@ -77,6 +77,50 @@ /*------------------------------------------------------------------------- + * Function: H5F_shared_block_read + * + * Purpose: Reads some data from a file/server/etc into a buffer. + * The data is contiguous. The address is relative to the base + * address for the file. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jul 10 1997 + * + *------------------------------------------------------------------------- + */ +herr_t +H5F_shared_block_read(H5F_file_t *f_sh, H5FD_mem_t type, haddr_t addr, size_t size, void *buf/*out*/) +{ + H5FD_mem_t map_type; /* Mapped memory type */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity checks */ + HDassert(f_sh); + HDassert(buf); + HDassert(H5F_addr_defined(addr)); + + /* Check for attempting I/O on 'temporary' file address */ + if(H5F_addr_le(f_sh->tmp_addr, (addr + size))) + HGOTO_ERROR(H5E_IO, H5E_BADRANGE, FAIL, "attempting I/O in temporary file space") + + /* Treat global heap as raw data */ + map_type = (type == H5FD_MEM_GHEAP) ? H5FD_MEM_DRAW : type; + + /* Pass through page buffer layer */ + if(H5PB_read(f_sh, map_type, addr, size, buf) < 0) + HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "read through page buffer failed") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5F_shared_block_read() */ + + +/*------------------------------------------------------------------------- * Function: H5F_block_read * * Purpose: Reads some data from a file/server/etc into a buffer. @@ -122,6 +166,51 @@ done: /*------------------------------------------------------------------------- + * Function: H5F_shared_block_write + * + * Purpose: Writes some data from memory to a file/server/etc. The + * data is contiguous. The address is relative to the base + * address. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jul 10 1997 + * + *------------------------------------------------------------------------- + */ +herr_t +H5F_shared_block_write(H5F_file_t *f_sh, H5FD_mem_t type, haddr_t addr, size_t size, const void *buf) +{ + H5FD_mem_t map_type; /* Mapped memory type */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity checks */ + HDassert(f_sh); + HDassert(H5F_SHARED_INTENT(f_sh) & H5F_ACC_RDWR); + HDassert(buf); + HDassert(H5F_addr_defined(addr)); + + /* Check for attempting I/O on 'temporary' file address */ + if(H5F_addr_le(f_sh->tmp_addr, (addr + size))) + HGOTO_ERROR(H5E_IO, H5E_BADRANGE, FAIL, "attempting I/O in temporary file space") + + /* Treat global heap as raw data */ + map_type = (type == H5FD_MEM_GHEAP) ? H5FD_MEM_DRAW : type; + + /* Pass through page buffer layer */ + if(H5PB_write(f_sh, map_type, addr, size, buf) < 0) + HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "write through page buffer failed") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5F_shared_block_write() */ + + +/*------------------------------------------------------------------------- * Function: H5F_block_write * * Purpose: Writes some data from memory to a file/server/etc. The diff --git a/src/H5Fprivate.h b/src/H5Fprivate.h index cd38202..1b8d07c 100644 --- a/src/H5Fprivate.h +++ b/src/H5Fprivate.h @@ -804,7 +804,9 @@ H5_DLL herr_t H5F_traverse_mount(struct H5O_loc_t *oloc/*in,out*/); H5_DLL herr_t H5F_flush_mounts(H5F_t *f); /* Functions that operate on blocks of bytes wrt super block */ +H5_DLL herr_t H5F_shared_block_read(H5F_file_t *f_sh, H5FD_mem_t type, haddr_t addr, size_t size, void *buf/*out*/); H5_DLL herr_t H5F_block_read(H5F_t *f, H5FD_mem_t type, haddr_t addr, size_t size, void *buf/*out*/); +H5_DLL herr_t H5F_shared_block_write(H5F_file_t *f_sh, H5FD_mem_t type, haddr_t addr, size_t size, const void *buf); H5_DLL herr_t H5F_block_write(H5F_t *f, H5FD_mem_t type, haddr_t addr, size_t size, const void *buf); /* Functions that flush or evict */ -- cgit v0.12