diff options
Diffstat (limited to 'src/H5Fsuper.c')
| -rw-r--r-- | src/H5Fsuper.c | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/src/H5Fsuper.c b/src/H5Fsuper.c index 893ce26..e203c38 100644 --- a/src/H5Fsuper.c +++ b/src/H5Fsuper.c @@ -290,7 +290,7 @@ H5F__update_super_ext_driver_msg(H5F_t *f, hid_t dxpl_id) */ drvinfo.len = driver_size; drvinfo.buf = dbuf; - if(H5F_super_ext_write_msg(f, dxpl_id, H5O_DRVINFO_ID, &drvinfo, FALSE) < 0) + if(H5F_super_ext_write_msg(f, dxpl_id, H5O_DRVINFO_ID, &drvinfo, FALSE, H5O_MSG_NO_FLAGS_SET) < 0) HGOTO_ERROR(H5E_FILE, H5E_WRITEERROR, FAIL, "unable to update driver info header message") } /* end if driver_size > 0 */ } /* end if !H5F_HAS_FEATURE(f, H5FD_FEAT_IGNORE_DRVRINFO) */ @@ -692,6 +692,34 @@ H5F__super_read(H5F_t *f, hid_t dxpl_id, hbool_t initial_read) f->shared->fs_addr[u] = fsinfo.fs_addr[u-1]; } /* end if */ + /* Check for the extension having a 'metadata cache image' message */ + if((status = H5O_msg_exists(&ext_loc, H5O_MDCI_MSG_ID, dxpl_id)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_EXISTS, FAIL, "unable to read object header") + if(status) { + hbool_t rw = ((rw_flags & H5AC__READ_ONLY_FLAG) == 0); + H5O_mdci_t mdci_msg; + + /* if the metadata cache image superblock extension message exists, + * read its contents and pass the data on to the metadata cache. + * Given this data, the cache will load and decode the metadata + * cache image block, decoded it and load its contents into the + * the cache on the test protect call. + * + * Further, if the file is opened R/W, the metadata cache will + * delete the metadata cache image superblock extension and free + * the cache image block. Don't do this now as f->shared + * is not fully setup, which complicates matters. + */ + + /* Retrieve the 'metadata cache image message' structure */ + if(NULL == H5O_msg_read(&ext_loc, H5O_MDCI_MSG_ID, &mdci_msg, dxpl_id)) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get metadata cache image message") + + /* Indicate to the cache that there's an image to load on first protect call */ + if(H5AC_load_cache_image_on_next_protect(f, mdci_msg.addr, mdci_msg.size, rw) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTLOAD, FAIL, "call to H5AC_load_cache_image_on_next_protect failed"); + } /* end if */ + /* Close superblock extension */ if(H5F_super_ext_close(f, &ext_loc, dxpl_id, FALSE) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEOBJ, FAIL, "unable to close file's superblock extension") @@ -737,7 +765,7 @@ H5F__super_read(H5F_t *f, hid_t dxpl_id, hbool_t initial_read) HDassert(f->shared->sblock == NULL); f->shared->sblock = sblock; #endif /* JRM */ - if(H5F_super_ext_write_msg(f, dxpl_id, H5O_DRVINFO_ID, &drvinfo, FALSE) < 0) + if(H5F_super_ext_write_msg(f, dxpl_id, H5O_DRVINFO_ID, &drvinfo, FALSE, H5O_MSG_NO_FLAGS_SET) < 0) HGOTO_ERROR(H5E_FILE, H5E_WRITEERROR, FAIL, "error in writing message to superblock extension") #if 1 /* bug fix test code -- tidy this up if all goes well */ /* JRM */ @@ -1365,7 +1393,8 @@ done: *------------------------------------------------------------------------- */ herr_t -H5F_super_ext_write_msg(H5F_t *f, hid_t dxpl_id, unsigned id, void *mesg, hbool_t may_create) +H5F_super_ext_write_msg(H5F_t *f, hid_t dxpl_id, unsigned id, void *mesg, + hbool_t may_create, unsigned mesg_flags) { H5P_genplist_t *dxpl = NULL; /* DXPL for setting ring */ H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */ @@ -1410,7 +1439,7 @@ H5F_super_ext_write_msg(H5F_t *f, hid_t dxpl_id, unsigned id, void *mesg, hbool_ HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "Message should not exist") /* Create the message with ID in the superblock extension */ - if(H5O_msg_create(&ext_loc, id, H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, mesg, dxpl_id) < 0) + if(H5O_msg_create(&ext_loc, id, (mesg_flags | H5O_MSG_FLAG_DONTSHARE), H5O_UPDATE_TIME, mesg, dxpl_id) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to create the message in object header") } /* end if */ else { @@ -1418,7 +1447,7 @@ H5F_super_ext_write_msg(H5F_t *f, hid_t dxpl_id, unsigned id, void *mesg, hbool_ HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "Message should exist") /* Update the message with ID in the superblock extension */ - if(H5O_msg_write(&ext_loc, id, H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, mesg, dxpl_id) < 0) + if(H5O_msg_write(&ext_loc, id, (mesg_flags | H5O_MSG_FLAG_DONTSHARE), H5O_UPDATE_TIME, mesg, dxpl_id) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to write the message in object header") } /* end else */ |