diff options
Diffstat (limited to 'src/H5D.c')
-rw-r--r-- | src/H5D.c | 61 |
1 files changed, 48 insertions, 13 deletions
@@ -1969,6 +1969,10 @@ H5D_close(H5D_t *dataset) * Raymond Lu, 2001-10-2 * Changed the way to retrieve property for generic property list. * + * QAK - 2002/04/02 + * Removed the must_convert parameter and move preconditions to + * H5S_<foo>_opt_possible() routine + * *------------------------------------------------------------------------- */ herr_t @@ -1994,7 +1998,6 @@ H5D_read(H5D_t *dataset, const H5T_t *mem_type, const H5S_t *mem_space, hsize_t request_nelmts; /*requested strip mine */ H5T_bkg_t need_bkg; /*type of background buf*/ H5S_t *free_this_space=NULL; /*data space to free */ - hbool_t must_convert; /*have to xfer the slow way*/ #ifdef H5_HAVE_PARALLEL H5FD_mpio_dxpl_t *dx = NULL; H5FD_mpio_xfer_t xfer_mode; /*xfer_mode for this request */ @@ -2089,6 +2092,24 @@ printf("%s: check 1.0, nelmts=%d, H5S_get_select_npoints(file_space)=%d\n",FUNC, HGOTO_ERROR(H5E_DATASET, H5E_CANTREGISTER, FAIL, "unable to register types for conversion"); } /* end if */ + /* Set the storage flags for the space conversion check */ + switch(dataset->layout.type) { + case H5D_COMPACT: + sconv_flags |= H5S_CONV_STORAGE_COMPACT; + break; + + case H5D_CONTIGUOUS: + sconv_flags |= H5S_CONV_STORAGE_CONTIGUOUS; + break; + + case H5D_CHUNKED: + sconv_flags |= H5S_CONV_STORAGE_CHUNKED; + break; + + default: + assert(0 && "Unhandled layout type!"); + } /* end switch */ + /* Get dataspace functions */ if (NULL==(sconv=H5S_find(mem_space, file_space, sconv_flags))) HGOTO_ERROR (H5E_DATASET, H5E_UNSUPPORTED, FAIL, "unable to convert from file to memory data space"); @@ -2112,15 +2133,11 @@ printf("%s: check 1.1, \n",FUNC); HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get external file list"); status = (sconv->read)(dataset->ent.file, &(dataset->layout), &pline, &fill, &efl, H5T_get_size(dataset->type), file_space, - mem_space, dxpl_id, buf/*out*/, &must_convert); + mem_space, dxpl_id, buf/*out*/); /* Supports only no conversion, type or space, for now. */ - if (status<0) + if (status<0) { HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "optimized read failed"); - - if (must_convert) { - /* sconv->read cannot do a direct transfer; - * fall through and xfer the data in the more roundabout way */ } else { /* direct xfer accomplished successfully */ #ifdef H5S_DEBUG @@ -2424,6 +2441,10 @@ done: * Raymond Lu, 2001-10-2 * Changed the way to retrieve property for generic property list. * + * QAK - 2002/04/02 + * Removed the must_convert parameter and move preconditions to + * H5S_<foo>_opt_possible() routine + * *------------------------------------------------------------------------- */ herr_t @@ -2449,7 +2470,6 @@ H5D_write(H5D_t *dataset, const H5T_t *mem_type, const H5S_t *mem_space, hsize_t request_nelmts; /*requested strip mine */ H5T_bkg_t need_bkg; /*type of background buf*/ H5S_t *free_this_space=NULL; /*data space to free */ - hbool_t must_convert; /*have to xfer the slow way*/ #ifdef H5_HAVE_PARALLEL H5FD_mpio_dxpl_t *dx = NULL; H5FD_mpio_xfer_t xfer_mode; /*xfer_mode for this request */ @@ -2571,6 +2591,24 @@ H5D_write(H5D_t *dataset, const H5T_t *mem_type, const H5S_t *mem_space, printf("%s: check 0.6, after H5T_find, tpath=%p, tpath->name=%s\n",FUNC,tpath,tpath->name); #endif /* QAK */ + /* Set the storage flags for the space conversion check */ + switch(dataset->layout.type) { + case H5D_COMPACT: + sconv_flags |= H5S_CONV_STORAGE_COMPACT; + break; + + case H5D_CONTIGUOUS: + sconv_flags |= H5S_CONV_STORAGE_CONTIGUOUS; + break; + + case H5D_CHUNKED: + sconv_flags |= H5S_CONV_STORAGE_CHUNKED; + break; + + default: + assert(0 && "Unhandled layout type!"); + } /* end switch */ + /* Get dataspace functions */ if (NULL==(sconv=H5S_find(mem_space, file_space, sconv_flags))) HGOTO_ERROR (H5E_DATASET, H5E_UNSUPPORTED, FAIL, "unable to convert from memory to file data space"); @@ -2594,14 +2632,11 @@ H5D_write(H5D_t *dataset, const H5T_t *mem_type, const H5S_t *mem_space, HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get external file list"); status = (sconv->write)(dataset->ent.file, &(dataset->layout), &pline, &fill, &efl, H5T_get_size(dataset->type), file_space, - mem_space, dxpl_id, buf/*out*/, &must_convert); + mem_space, dxpl_id, buf/*out*/); /* Supports only no conversion, type or space, for now. */ - if (status<0) + if (status<0) { HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "optimized write failed"); - if (must_convert) { - /* sconv->write cannot do a direct transfer; - * fall through and xfer the data in the more roundabout way */ } else { /* direct xfer accomplished successfully */ #ifdef H5S_DEBUG |