diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2022-11-07 04:03:18 +0300 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2022-11-17 02:25:03 +0300 |
| commit | 5f369dc5b4eb2becbdfd08924dcaf00e391f4ea1 (patch) | |
| tree | e9967a40ae0d9107ea97d8f51160562008590732 /fs/xfs/xfs_fsmap.c | |
| parent | 9e13975bb0620c2bfa1a4d2943e7eb8514f7708e (diff) | |
| download | linux-5f369dc5b4eb2becbdfd08924dcaf00e391f4ea1.tar.xz | |
xfs: make rtbitmap ILOCKing consistent when scanning the rt bitmap file
xfs_rtalloc_query_range scans the realtime bitmap file in order of
increasing file offset, so this caller can take ILOCK_SHARED on the rt
bitmap inode instead of ILOCK_EXCL. This isn't going to yield any
practical benefits at mount time, but we'd like to make the locking
usage consistent around xfs_rtalloc_query_all calls. Make all the
places we do this use the same xfs_ilock lockflags for consistency.
Fixes: 4c934c7dd60c ("xfs: report realtime space information via the rtbitmap")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/xfs_fsmap.c')
| -rw-r--r-- | fs/xfs/xfs_fsmap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c index d8337274c74d..88a88506ffff 100644 --- a/fs/xfs/xfs_fsmap.c +++ b/fs/xfs/xfs_fsmap.c @@ -524,7 +524,7 @@ xfs_getfsmap_rtdev_rtbitmap_query( struct xfs_mount *mp = tp->t_mountp; int error; - xfs_ilock(mp->m_rbmip, XFS_ILOCK_SHARED); + xfs_ilock(mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP); /* * Set up query parameters to return free rtextents covering the range @@ -551,7 +551,7 @@ xfs_getfsmap_rtdev_rtbitmap_query( if (error) goto err; err: - xfs_iunlock(mp->m_rbmip, XFS_ILOCK_SHARED); + xfs_iunlock(mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP); return error; } |