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authorBrian Foster <bfoster@redhat.com>2018-07-24 13:43:12 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2018-07-26 10:15:14 -0700
commit1e5ae1995a44f2b7a03f08a10504568a96040a8c (patch)
tree2038ec6b22a8ddd7198fea7c1518d0125f4c3966 /fs/xfs/xfs_reflink.c
parente021a2e5fc520d930f949f303e7307038e258645 (diff)
downloadlinux-1e5ae1995a44f2b7a03f08a10504568a96040a8c.tar.gz
xfs: use internal dfops in cow blocks cancel
All callers either explicitly initialize a dfops or pass a
transaction with an internal dfops. Drop the hacky old dfops
replacement logic and use the one associated with the transaction.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Bill O'Donnell <billodo@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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_reflink.c')
-rw-r--r--fs/xfs/xfs_reflink.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index 406f79d44153..04c25ee6b6f8 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -483,8 +483,6 @@ xfs_reflink_cancel_cow_blocks(
 	struct xfs_ifork		*ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK);
 	struct xfs_bmbt_irec		got, del;
 	struct xfs_iext_cursor		icur;
-	struct xfs_defer_ops		dfops;
-	struct xfs_defer_ops		*odfops = (*tpp)->t_dfops;
 	int				error = 0;
 
 	if (!xfs_is_reflink_inode(ip))
@@ -511,7 +509,8 @@ xfs_reflink_cancel_cow_blocks(
 			if (error)
 				break;
 		} else if (del.br_state == XFS_EXT_UNWRITTEN || cancel_real) {
-			xfs_defer_init(*tpp, &dfops);
+			ASSERT((*tpp)->t_dfops);
+			ASSERT((*tpp)->t_firstblock == NULLFSBLOCK);
 
 			/* Free the CoW orphan record. */
 			error = xfs_refcount_free_cow_extent(ip->i_mount,
@@ -553,7 +552,6 @@ next_extent:
 	/* clear tag if cow fork is emptied */
 	if (!ifp->if_bytes)
 		xfs_inode_clear_cowblocks_tag(ip);
-	(*tpp)->t_dfops = odfops;
 	return error;
 }