Use xfs_iext_prev_extent to skip to the previous extent instead of
opencoding it.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
fs/xfs/xfs_reflink.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index 90aac8889dd9..cdbd342a5249 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -762,10 +762,8 @@ xfs_reflink_end_cow(
xfs_trim_extent(&del, offset_fsb, end_fsb - offset_fsb);
/* Extent delete may have bumped ext forward */
- if (!del.br_blockcount) {
- xfs_iext_prev(ifp, &icur);
- goto next_extent;
- }
+ if (!del.br_blockcount)
+ goto prev_extent;
ASSERT(!isnullstartblock(got.br_startblock));
@@ -774,10 +772,8 @@ xfs_reflink_end_cow(
* speculatively preallocated CoW extents that have been
* allocated but have not yet been involved in a write.
*/
- if (got.br_state == XFS_EXT_UNWRITTEN) {
- xfs_iext_prev(ifp, &icur);
- goto next_extent;
- }
+ if (got.br_state == XFS_EXT_UNWRITTEN)
+ goto prev_extent;
/* Unmap the old blocks in the data fork. */
xfs_defer_init(&dfops, &firstfsb);
@@ -816,9 +812,12 @@ xfs_reflink_end_cow(
error = xfs_defer_finish(&tp, &dfops);
if (error)
goto out_defer;
-next_extent:
if (!xfs_iext_get_extent(ifp, &icur, &got))
break;
+ continue;
+prev_extent:
+ if (!xfs_iext_prev_extent(ifp, &icur, &got))
+ break;
}
error = xfs_trans_commit(tp);
--
2.14.2
--
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