diff options
| author | Brian Foster <bfoster@redhat.com> | 2018-05-09 18:45:04 +0300 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-05-10 18:56:46 +0300 |
| commit | fcb762f5de2e534ab47b5f034fe484c2b25b4d51 (patch) | |
| tree | 2f8ff2257d0939652cee00e0f801ab559dd48c41 /fs/xfs/xfs_trans_extfree.c | |
| parent | e6631f85546c8ff8842f62c73be44ff502d4287a (diff) | |
| download | linux-fcb762f5de2e534ab47b5f034fe484c2b25b4d51.tar.xz | |
xfs: add bmapi nodiscard flag
Freed extents are unconditionally discarded when online discard is
enabled. Define XFS_BMAPI_NODISCARD to allow callers to bypass
discards when unnecessary. For example, this will be useful for
eofblocks trimming.
This patch does not change behavior.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_trans_extfree.c')
| -rw-r--r-- | fs/xfs/xfs_trans_extfree.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/xfs/xfs_trans_extfree.c b/fs/xfs/xfs_trans_extfree.c index c60395eea21f..28a1d5a0467c 100644 --- a/fs/xfs/xfs_trans_extfree.c +++ b/fs/xfs/xfs_trans_extfree.c @@ -68,7 +68,8 @@ xfs_trans_free_extent( struct xfs_efd_log_item *efdp, xfs_fsblock_t start_block, xfs_extlen_t ext_len, - struct xfs_owner_info *oinfo) + struct xfs_owner_info *oinfo, + bool skip_discard) { struct xfs_mount *mp = tp->t_mountp; uint next_extent; @@ -79,8 +80,12 @@ xfs_trans_free_extent( trace_xfs_bmap_free_deferred(tp->t_mountp, agno, 0, agbno, ext_len); - error = xfs_free_extent(tp, start_block, ext_len, oinfo, - XFS_AG_RESV_NONE); + if (skip_discard) + error = xfs_free_extent_nodiscard(tp, start_block, ext_len, + oinfo, XFS_AG_RESV_NONE); + else + error = xfs_free_extent(tp, start_block, ext_len, oinfo, + XFS_AG_RESV_NONE); /* * Mark the transaction dirty, even on error. This ensures the @@ -195,7 +200,7 @@ xfs_extent_free_finish_item( error = xfs_trans_free_extent(tp, done_item, free->xefi_startblock, free->xefi_blockcount, - &free->xefi_oinfo); + &free->xefi_oinfo, free->xefi_skip_discard); kmem_free(free); return error; } |