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authorChristoph Hellwig2018-07-12 07:25:57 +0200
committerDarrick J. Wong2018-07-12 07:25:57 +0200
commitd43801775766972535a0f4b78af65d0c13055e36 (patch)
treee9181467ed6c2c978d059cf40850caf1605c8318 /fs
parentxfs: simplify xfs_aops_discard_page (diff)
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xfs: move locking into xfs_bmap_punch_delalloc_range
Both callers want the same looking, so do it only once. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-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')
-rw-r--r--fs/xfs/xfs_aops.c2
-rw-r--r--fs/xfs/xfs_bmap_util.c9
-rw-r--r--fs/xfs/xfs_iomap.c3
3 files changed, 5 insertions, 9 deletions
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 9b1a17b4cacb..5c549e983d69 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -760,10 +760,8 @@ xfs_aops_discard_page(
"page discard on page "PTR_FMT", inode 0x%llx, offset %llu.",
page, ip->i_ino, offset);
- xfs_ilock(ip, XFS_ILOCK_EXCL);
error = xfs_bmap_punch_delalloc_range(ip, start_fsb,
PAGE_SIZE / i_blocksize(inode));
- xfs_iunlock(ip, XFS_ILOCK_EXCL);
if (error && !XFS_FORCED_SHUTDOWN(mp))
xfs_alert(mp, "page discard unable to remove delalloc mapping.");
out_invalidate:
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index 83b1e8c6c18f..da561882c349 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -702,16 +702,15 @@ xfs_bmap_punch_delalloc_range(
struct xfs_iext_cursor icur;
int error = 0;
- ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
-
+ xfs_ilock(ip, XFS_ILOCK_EXCL);
if (!(ifp->if_flags & XFS_IFEXTENTS)) {
error = xfs_iread_extents(NULL, ip, XFS_DATA_FORK);
if (error)
- return error;
+ goto out_unlock;
}
if (!xfs_iext_lookup_extent_before(ip, ifp, &end_fsb, &icur, &got))
- return 0;
+ goto out_unlock;
while (got.br_startoff + got.br_blockcount > start_fsb) {
del = got;
@@ -735,6 +734,8 @@ xfs_bmap_punch_delalloc_range(
break;
}
+out_unlock:
+ xfs_iunlock(ip, XFS_ILOCK_EXCL);
return error;
}
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index e08a84d9ee72..10c54fc7d1b4 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -1204,11 +1204,8 @@ xfs_file_iomap_end_delalloc(
truncate_pagecache_range(VFS_I(ip), XFS_FSB_TO_B(mp, start_fsb),
XFS_FSB_TO_B(mp, end_fsb) - 1);
- xfs_ilock(ip, XFS_ILOCK_EXCL);
error = xfs_bmap_punch_delalloc_range(ip, start_fsb,
end_fsb - start_fsb);
- xfs_iunlock(ip, XFS_ILOCK_EXCL);
-
if (error && !XFS_FORCED_SHUTDOWN(mp)) {
xfs_alert(mp, "%s: unable to clean up ino %lld",
__func__, ip->i_ino);