diff options
| author |   Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-03 09:11:42 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-05 16:26:26 -0700 |
| commit | f0bc4d134b46607967bda1205ce3226a1bd95f42 (patch) | |
| tree | 66de3ee88dd2559f99a03e091972936df7a213ca /fs/xfs | |
| parent | xfs: teach get_bmapx about shared extents and the CoW fork (diff) | |
| download | linux-dev-f0bc4d134b46607967bda1205ce3226a1bd95f42.tar.xz linux-dev-f0bc4d134b46607967bda1205ce3226a1bd95f42.zip | |
xfs: swap inode reflink flags when swapping inode extents
When we're swapping the extents of two inodes, be sure to swap the
reflink inode flag too.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/xfs_bmap_util.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index f7b3f02ff650..e2f46e645612 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -1660,6 +1660,8 @@ xfs_swap_extents( int taforkblks = 0; __uint64_t tmp; int lock_flags; + struct xfs_ifork *cowfp; + __uint64_t f; /* XXX: we can't do this with rmap, will fix later */ if (xfs_sb_version_hasrmapbt(&mp->m_sb)) @@ -1873,6 +1875,19 @@ xfs_swap_extents( break; } + /* Do we have to swap reflink flags? */ + if ((ip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK) ^ + (tip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK)) { + f = ip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK; + ip->i_d.di_flags2 &= ~XFS_DIFLAG2_REFLINK; + ip->i_d.di_flags2 |= tip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK; + tip->i_d.di_flags2 &= ~XFS_DIFLAG2_REFLINK; + tip->i_d.di_flags2 |= f & XFS_DIFLAG2_REFLINK; + cowfp = ip->i_cowfp; + ip->i_cowfp = tip->i_cowfp; + tip->i_cowfp = cowfp; + } + xfs_trans_log_inode(tp, ip, src_log_flags); xfs_trans_log_inode(tp, tip, target_log_flags); |