diff options
| author | Darrick J. Wong <darrick.wong@oracle.com> | 2019-01-16 10:12:14 -0800 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2019-04-15 17:02:47 -0700 |
| commit | f7c78f9ef1453a700a41e2d205fc61239e8f994a (patch) | |
| tree | afb8972a7e8ac31d5cf84b0461b514638fbb4d93 /fs/xfs/scrub/scrub.c | |
| parent | 051c747b550341dbe495faf7afc5dc238bcb9858 (diff) | |
xfs: introduce online scrub freeze
Introduce a new 'online scrub freeze' that we can use to lock out all
filesystem modifications and background activity so that we can perform
global scans in order to rebuild metadata. This introduces a new IFLAG
to the scrub ioctl to indicate that userspace is willing to allow a
freeze.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/scrub/scrub.c')
| -rw-r--r-- | fs/xfs/scrub/scrub.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/xfs/scrub/scrub.c b/fs/xfs/scrub/scrub.c index 1e614cf0894e..58492374d20a 100644 --- a/fs/xfs/scrub/scrub.c +++ b/fs/xfs/scrub/scrub.c @@ -171,6 +171,8 @@ xchk_teardown( struct xfs_inode *ip_in, int error) { + int err2; + xchk_ag_free(sc, &sc->sa); if (sc->tp) { if (error == 0 && (sc->sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR)) @@ -187,6 +189,12 @@ xchk_teardown( xfs_irele(sc->ip); sc->ip = NULL; } + if (sc->flags & XCHK_FS_FROZEN) { + err2 = xchk_fs_thaw(sc); + if (!error && err2) + error = err2; + sc->flags &= ~XCHK_FS_FROZEN; + } if (sc->flags & XCHK_HAS_QUOTAOFFLOCK) { mutex_unlock(&sc->mp->m_quotainfo->qi_quotaofflock); sc->flags &= ~XCHK_HAS_QUOTAOFFLOCK; |