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authorChristoph Hellwig <hch@lst.de>2017-08-30 01:44:13 +0300
committerDarrick J. Wong <darrick.wong@oracle.com>2017-09-01 23:08:25 +0300
commit4c35445b591ee669097c5b98e4bb677808e9f582 (patch)
tree8b271e65f8334e31ac01562f7e6bfd45d199e9d9 /fs/xfs/libxfs
parent4da6b514eaa168c246fc5c1245c4f82084bcf24e (diff)
downloadlinux-4c35445b591ee669097c5b98e4bb677808e9f582.tar.xz
xfs: use xfs_iext_*_extent helpers in xfs_bmap_split_extent_at
This abstracts the function away from details of the low-level extent list implementation. Signed-off-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/libxfs')
-rw-r--r--fs/xfs/libxfs/xfs_bmap.c20
1 files changed, 4 insertions, 16 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 88beac28258e..9b877024c804 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -6253,7 +6253,6 @@ xfs_bmap_split_extent_at(
{
int whichfork = XFS_DATA_FORK;
struct xfs_btree_cur *cur = NULL;
- struct xfs_bmbt_rec_host *gotp;
struct xfs_bmbt_irec got;
struct xfs_bmbt_irec new; /* split extent */
struct xfs_mount *mp = ip->i_mount;
@@ -6285,21 +6284,10 @@ xfs_bmap_split_extent_at(
}
/*
- * gotp can be null in 2 cases: 1) if there are no extents
- * or 2) split_fsb lies in a hole beyond which there are
- * no extents. Either way, we are done.
+ * If there are not extents, or split_fsb lies in a hole we are done.
*/
- gotp = xfs_iext_bno_to_ext(ifp, split_fsb, &current_ext);
- if (!gotp)
- return 0;
-
- xfs_bmbt_get_all(gotp, &got);
-
- /*
- * Check split_fsb lies in a hole or the start boundary offset
- * of the extent.
- */
- if (got.br_startoff >= split_fsb)
+ if (!xfs_iext_lookup_extent(ip, ifp, split_fsb, &current_ext, &got) ||
+ got.br_startoff >= split_fsb)
return 0;
gotblkcnt = split_fsb - got.br_startoff;
@@ -6322,8 +6310,8 @@ xfs_bmap_split_extent_at(
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, del_cursor);
}
- xfs_bmbt_set_blockcount(gotp, gotblkcnt);
got.br_blockcount = gotblkcnt;
+ xfs_iext_update_extent(ifp, current_ext, &got);
logflags = XFS_ILOG_CORE;
if (cur) {