From fcb762f5de2e534ab47b5f034fe484c2b25b4d51 Mon Sep 17 00:00:00 2001 From: Brian Foster Date: Wed, 9 May 2018 08:45:04 -0700 Subject: 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 Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_trans_extfree.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'fs/xfs/xfs_trans_extfree.c') 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; } -- cgit v1.2.1