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| author | Quincey Koziol <koziol@hdfgroup.org> | 2005-03-18 00:33:17 (GMT) |
|---|---|---|
| committer | Quincey Koziol <koziol@hdfgroup.org> | 2005-03-18 00:33:17 (GMT) |
| commit | ba50d969c6e159ec45e2df7879e651fdf4c31948 (patch) | |
| tree | 9473419f05d54dea92d10cd07dc3dacc72a46da7 /src | |
| parent | b5ebea64d0ded6fefed1f1658f6919b6d6eacb7a (diff) | |
| download | hdf5-ba50d969c6e159ec45e2df7879e651fdf4c31948.zip hdf5-ba50d969c6e159ec45e2df7879e651fdf4c31948.tar.gz hdf5-ba50d969c6e159ec45e2df7879e651fdf4c31948.tar.bz2 | |
[svn-r10230] Purpose:
New feature
Description:
Add in support for deleting entire block tracker.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
Diffstat (limited to 'src')
| -rw-r--r-- | src/H5BT.c | 48 | ||||
| -rw-r--r-- | src/H5BTprivate.h | 1 |
2 files changed, 49 insertions, 0 deletions
@@ -645,3 +645,51 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5BT_remove() */ + +/*------------------------------------------------------------------------- + * Function: H5BT_delete + * + * Purpose: Delete a block tracker from a file + * + * Return: Non-negative on success, negative on failure + * + * Programmer: Quincey Koziol + * koziol@ncsa.uiuc.edu + * Mar 14 2005 + * + *------------------------------------------------------------------------- + */ +herr_t +H5BT_delete(H5F_t *f, hid_t dxpl_id, haddr_t addr) +{ + H5BT_t *bt = NULL; /* The new B-tree header information */ + herr_t ret_value=SUCCEED; + + FUNC_ENTER_NOAPI(H5BT_delete, FAIL) + + /* + * Check arguments. + */ + HDassert(f); + HDassert(H5F_addr_defined(addr)); + + /* Look up the block tracker header */ + if (NULL == (bt = H5AC_protect(f, dxpl_id, H5AC_BLTR, addr, NULL, NULL, H5AC_WRITE))) + HGOTO_ERROR(H5E_BLKTRK, H5E_CANTPROTECT, FAIL, "unable to load block tracker info") + + /* Delete B-tree */ + if (H5B2_delete(f, dxpl_id, H5B2_BLKTRK, bt->bt2_addr) < 0) + HGOTO_ERROR(H5E_BLKTRK, H5E_CANTDELETE, FAIL, "Couldn't delete underlying B-tree") + + /* Release space for block tracker info on disk */ + if (H5MF_xfree(f, H5FD_MEM_BLKTRK, dxpl_id, addr, (hsize_t)H5BT_SIZE(f))<0) + HGOTO_ERROR(H5E_BTREE, H5E_CANTFREE, FAIL, "unable to free block tracker info") + +done: + /* Release the block tracker info */ + if (bt && H5AC_unprotect(f, dxpl_id, H5AC_BLTR, addr, bt, H5AC__DELETED_FLAG) < 0) + HDONE_ERROR(H5E_BLKTRK, H5E_CANTUNPROTECT, FAIL, "unable to release block tracker info") + + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5BT_remove() */ + diff --git a/src/H5BTprivate.h b/src/H5BTprivate.h index 48d5384..b98aac1 100644 --- a/src/H5BTprivate.h +++ b/src/H5BTprivate.h @@ -52,6 +52,7 @@ H5_DLL herr_t H5BT_remove(H5F_t *f, hid_t dxpl_id, haddr_t addr, haddr_t offset, hsize_t length); H5_DLL herr_t H5BT_get_total_size(H5F_t *f, hid_t dxpl_id, haddr_t addr, hsize_t *tot_size); +H5_DLL herr_t H5BT_delete(H5F_t *f, hid_t dxpl_id, haddr_t addr); #endif /* _H5BTprivate_H */ |