diff options
Diffstat (limited to 'src/H5Oflush.c')
| -rw-r--r-- | src/H5Oflush.c | 247 |
1 files changed, 128 insertions, 119 deletions
diff --git a/src/H5Oflush.c b/src/H5Oflush.c index e8e077e..3e1ae46 100644 --- a/src/H5Oflush.c +++ b/src/H5Oflush.c @@ -27,6 +27,7 @@ /****************/ #include "H5Omodule.h" /* This source code file is part of the H5O module */ +#define H5T_FRIEND /* Suppress error about including H5Tpkg */ /***********/ /* Headers */ @@ -40,16 +41,14 @@ #include "H5Gprivate.h" /* Groups */ #include "H5Iprivate.h" /* IDs */ #include "H5Opkg.h" /* Objects */ - +#include "H5Tpkg.h" /* Datatypes */ /********************/ /* Local Prototypes */ /********************/ -static herr_t H5O__flush(hid_t obj_id); static herr_t H5O__oh_tag(const H5O_loc_t *oloc, haddr_t *tag); static herr_t H5O__refresh_metadata_close(hid_t oid, H5O_loc_t oloc, H5G_loc_t *obj_loc); -static herr_t H5O__refresh(hid_t obj_id); /*************/ @@ -59,11 +58,11 @@ static herr_t H5O__refresh(hid_t obj_id); /*------------------------------------------------------------------------- - * Function: H5Oflush + * Function: H5Oflush * - * Purpose: Flushes all buffers associated with an object to disk. + * Purpose: Flushes all buffers associated with an object to disk. * - * Return: Non-negative on success, negative on failure + * Return: SUCCEED/FAIL * * Programmer: Mike McGreevy * May 19, 2010 @@ -73,17 +72,27 @@ static herr_t H5O__refresh(hid_t obj_id); herr_t H5Oflush(hid_t obj_id) { - herr_t ret_value = SUCCEED; /* Return value */ + H5VL_object_t *vol_obj = NULL; /* Object token */ + H5VL_loc_params_t loc_params; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", obj_id); + /* Check args */ + if(NULL == (vol_obj = H5VL_vol_object(obj_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") + /* Set up collective metadata if appropriate */ if(H5CX_set_loc(obj_id) < 0) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTSET, FAIL, "can't set access property list info") - /* Call internal routine */ - if(H5O__flush(obj_id) < 0) + /* Set location parameters */ + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(obj_id); + + /* Flush the object */ + if(H5VL_object_specific(vol_obj, &loc_params, H5VL_OBJECT_FLUSH, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, obj_id) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush object") done: @@ -92,6 +101,49 @@ done: /*------------------------------------------------------------------------- + * Function: H5O_flush + * + * Purpose: Internal routine to flush an object + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Quincey Koziol + * December 29, 2017 + * + *------------------------------------------------------------------------- + */ +herr_t +H5O_flush(H5O_loc_t *oloc, hid_t obj_id) +{ + void *obj_ptr; /* Pointer to object */ + const H5O_obj_class_t *obj_class; /* Class of object */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Get the object pointer */ + if(NULL == (obj_ptr = H5VL_object(obj_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") + + /* Get the object class */ + if(NULL == (obj_class = H5O__obj_class(oloc))) + HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to determine object class") + + /* Flush the object of this class */ + if(obj_class->flush && obj_class->flush(obj_ptr) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush object") + + /* Flush the object metadata and invoke flush callback */ + if(H5O_flush_common(oloc, obj_id) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush object and object flush callback") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5O_flush() */ + + +/*------------------------------------------------------------------------- * Function: H5O_flush_common * * Purpose: Flushes the object's metadata @@ -121,7 +173,7 @@ H5O_flush_common(H5O_loc_t *oloc, hid_t obj_id) /* Check to invoke callback */ if(H5F_object_flush_cb(oloc->file, obj_id) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to do object flush callback") + HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to do object flush callback") done: FUNC_LEAVE_NOAPI(ret_value) @@ -129,57 +181,6 @@ done: /*------------------------------------------------------------------------- - * Function: H5O__flush - * - * Purpose: Internal routine to flush an object - * - * Note: This routine is needed so that there's a non-API routine - * that can set up VOL / SWMR info (which need a DXPL). - * - * Return: Success: Non-negative - * Failure: Negative - * - * Programmer: Quincey Koziol - * December 29, 2017 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5O__flush(hid_t obj_id) -{ - H5O_loc_t *oloc; /* Object location */ - void *obj_ptr; /* Pointer to object */ - const H5O_obj_class_t *obj_class; /* Class of object */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC_VOL - - /* Check args */ - if(NULL == (oloc = H5O_get_loc(obj_id))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an object") - - /* Get the object pointer */ - if(NULL == (obj_ptr = H5I_object(obj_id))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") - - /* Get the object class */ - if(NULL == (obj_class = H5O__obj_class(oloc))) - HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to determine object class") - - /* Flush the object of this class */ - if(obj_class->flush && obj_class->flush(obj_ptr) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush object") - - /* Flush the object metadata and invoke flush callback */ - if(H5O_flush_common(oloc, obj_id) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush object and object flush callback") - -done: - FUNC_LEAVE_NOAPI_VOL(ret_value) -} /* end H5O__flush() */ - - -/*------------------------------------------------------------------------- * Function: H5O__oh_tag * * Purpose: Get object header's address--tag value for the object @@ -223,9 +224,9 @@ done: /*------------------------------------------------------------------------- * Function: H5Orefresh * - * Purpose: Refreshes all buffers associated with an object. + * Purpose: Refreshes all buffers associated with an object. * - * Return: Non-negative on success, negative on failure + * Return: SUCCEED/FAIL * * Programmer: Mike McGreevy * July 28, 2010 @@ -235,17 +236,27 @@ done: herr_t H5Orefresh(hid_t oid) { - herr_t ret_value = SUCCEED; /* Return value */ - + H5VL_object_t *vol_obj = NULL; /* Object token */ + H5VL_loc_params_t loc_params; + herr_t ret_value = SUCCEED; /* Return value */ + FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", oid); + /* Check args */ + if(NULL == (vol_obj = H5VL_vol_object(oid))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") + /* Set up collective metadata if appropriate */ if(H5CX_set_loc(oid) < 0) - HGOTO_ERROR(H5E_DATATYPE, H5E_CANTSET, FAIL, "can't set access property list info") + HGOTO_ERROR(H5E_OHDR, H5E_CANTSET, FAIL, "can't set access property list info") + + /* Set location parameters */ + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(oid); - /* Call internal routine */ - if(H5O__refresh(oid) < 0) + /* Refresh the object */ + if(H5VL_object_specific(vol_obj, &loc_params, H5VL_OBJECT_REFRESH, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, oid) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to refresh object") done: @@ -276,6 +287,7 @@ done: herr_t H5O_refresh_metadata(hid_t oid, H5O_loc_t oloc) { + H5VL_object_t *vol_obj = NULL; /* VOL object associated with the ID */ hbool_t objs_incr = FALSE; /* Whether the object count in the file was incremented */ herr_t ret_value = SUCCEED; /* Return value */ @@ -286,6 +298,8 @@ H5O_refresh_metadata(hid_t oid, H5O_loc_t oloc) H5G_loc_t obj_loc; H5O_loc_t obj_oloc; H5G_name_t obj_path; + H5O_shared_t cached_H5O_shared; + H5VL_t *connector = NULL; /* Create empty object location */ obj_loc.oloc = &obj_oloc; @@ -298,13 +312,40 @@ H5O_refresh_metadata(hid_t oid, H5O_loc_t oloc) H5F_incr_nopen_objs(oloc.file); objs_incr = TRUE; + /* Save important datatype state */ + if(H5I_get_type(oid) == H5I_DATATYPE) + if(H5T_save_refresh_state(oid, &cached_H5O_shared) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTOPENOBJ, FAIL, "unable to save datatype state") + + /* Get the VOL object from the ID and cache a pointer to the connector. + * The vol_obj will disappear when the underlying object is closed, so + * we can't use that directly. + */ + if(NULL == (vol_obj = H5VL_vol_object(oid))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") + connector = vol_obj->connector; + + /* Bump the number of references on the VOL connector. + * If you don't do this, VDS refreshes can accidentally close the connector. + */ + connector->nrefs++; + /* Close object & evict its metadata */ if((H5O__refresh_metadata_close(oid, oloc, &obj_loc)) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to refresh object") /* Re-open the object, re-fetching its metadata */ - if((H5O_refresh_metadata_reopen(oid, &obj_loc, FALSE)) < 0) + if((H5O_refresh_metadata_reopen(oid, &obj_loc, connector, FALSE)) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to refresh object") + + /* Restore the number of references on the VOL connector */ + connector->nrefs--; + + /* Restore important datatype state */ + if(H5I_get_type(oid) == H5I_DATATYPE) + if(H5T_restore_refresh_state(oid, &cached_H5O_shared) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTOPENOBJ, FAIL, "unable to restore datatype state") + } /* end if */ done: @@ -351,10 +392,10 @@ H5O__refresh_metadata_close(hid_t oid, H5O_loc_t oloc, H5G_loc_t *obj_loc) H5G_loc_copy(obj_loc, &tmp_loc, H5_COPY_DEEP); } /* end if */ - /* Get object's type */ + /* Handle close for multiple dataset opens */ if(H5I_get_type(oid) == H5I_DATASET) - if(H5D_mult_refresh_close(oid) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTOPENOBJ, FAIL, "unable to prepare refresh for dataset") + if(H5D_mult_refresh_close(oid) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTOPENOBJ, FAIL, "unable to prepare refresh for dataset") /* Retrieve tag for object */ if(H5O__oh_tag(&oloc, &tag) < 0) @@ -378,8 +419,8 @@ H5O__refresh_metadata_close(hid_t oid, H5O_loc_t oloc, H5G_loc_t *obj_loc) /* Re-cork object with tag */ if(corked) - if(H5AC_cork(oloc.file, tag, H5AC__SET_CORK, &corked) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_SYSTEM, FAIL, "unable to cork the object") + if(H5AC_cork(oloc.file, tag, H5AC__SET_CORK, &corked) < 0) + HGOTO_ERROR(H5E_ATOM, H5E_SYSTEM, FAIL, "unable to cork the object") done: FUNC_LEAVE_NOAPI(ret_value); @@ -401,14 +442,18 @@ done: *------------------------------------------------------------------------- */ herr_t -H5O_refresh_metadata_reopen(hid_t oid, H5G_loc_t *obj_loc, hbool_t start_swmr) +H5O_refresh_metadata_reopen(hid_t oid, H5G_loc_t *obj_loc, H5VL_t *vol_connector, hbool_t start_swmr) { - void *object = NULL; /* Dataset for this operation */ + void *object = NULL; /* Object for this operation */ H5I_type_t type; /* Type of object for the ID */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Sanity check */ + HDassert(obj_loc); + HDassert(vol_connector); + /* Get object's type */ type = H5I_get_type(oid); @@ -416,13 +461,13 @@ H5O_refresh_metadata_reopen(hid_t oid, H5G_loc_t *obj_loc, hbool_t start_swmr) case H5I_GROUP: /* Re-open the group */ if(NULL == (object = H5G_open(obj_loc))) - HGOTO_ERROR(H5E_SYM, H5E_CANTOPENOBJ, FAIL, "unable to open group") + HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, FAIL, "unable to open group") break; case H5I_DATATYPE: /* Re-open the named datatype */ if(NULL == (object = H5T_open(obj_loc))) - HGOTO_ERROR(H5E_DATATYPE, H5E_CANTOPENOBJ, FAIL, "unable to open named datatype") + HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, FAIL, "unable to open named datatype") break; case H5I_DATASET: @@ -431,7 +476,7 @@ H5O_refresh_metadata_reopen(hid_t oid, H5G_loc_t *obj_loc, hbool_t start_swmr) HGOTO_ERROR(H5E_DATASET, H5E_CANTOPENOBJ, FAIL, "unable to open dataset") if(!start_swmr) /* No need to handle multiple opens when H5Fstart_swmr_write() */ if(H5D_mult_refresh_reopen((H5D_t *)object) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTOPENOBJ, FAIL, "unable to finish refresh for dataset") + HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, FAIL, "unable to finish refresh for dataset") break; case H5I_UNINIT: @@ -441,6 +486,7 @@ H5O_refresh_metadata_reopen(hid_t oid, H5G_loc_t *obj_loc, hbool_t start_swmr) case H5I_ATTR: case H5I_REFERENCE: case H5I_VFL: + case H5I_VOL: case H5I_GENPROP_CLS: case H5I_GENPROP_LST: case H5I_ERROR_CLASS: @@ -448,52 +494,15 @@ H5O_refresh_metadata_reopen(hid_t oid, H5G_loc_t *obj_loc, hbool_t start_swmr) case H5I_ERROR_STACK: case H5I_NTYPES: default: - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a valid file object ID (dataset, group, or datatype)") + HGOTO_ERROR(H5E_OHDR, H5E_BADTYPE, FAIL, "not a valid file object ID (dataset, group, or datatype)") break; } /* end switch */ /* Re-register ID for the object */ - if((H5I_register_with_id(type, object, TRUE, oid)) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to re-register object atom") + if((H5VL_register_using_existing_id(type, object, vol_connector, TRUE, oid)) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTREGISTER, FAIL, "unable to re-register object ID after refresh") done: FUNC_LEAVE_NOAPI(ret_value); } /* end H5O_refresh_metadata_reopen() */ - -/*------------------------------------------------------------------------- - * Function: H5O__refresh - * - * Purpose: Internal routine to refresh an object - * - * Note: This routine is needed so that there's a non-API routine - * that can set up VOL / SWMR info (which need a DXPL). - * - * Return: Success: Non-negative - * Failure: Negative - * - * Programmer: Quincey Koziol - * December 29, 2017 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5O__refresh(hid_t obj_id) -{ - H5O_loc_t *oloc; /* Object location */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC_VOL - - /* Check args */ - if(NULL == (oloc = H5O_get_loc(obj_id))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an object") - - /* Private function */ - if(H5O_refresh_metadata(obj_id, *oloc) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to refresh object") - -done: - FUNC_LEAVE_NOAPI_VOL(ret_value) -} /* end H5O__refresh() */ - |