diff options
| author | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-03 09:11:51 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-05 16:26:31 -0700 |
| commit | a35eb41519ab8db90e87d375ee9362d6e080ca4c (patch) | |
| tree | 6db45615c97decf9d8c75bbc8c590e0ca5d936b2 /fs/xfs/libxfs/xfs_ag_resv.c | |
| parent | 4f435ebe7d0422af61cdcddbbcc659888645a1e1 (diff) | |
xfs: simulate per-AG reservations being critically low
Create an error injection point that enables us to simulate being
critically low on per-AG block reservations. This should enable us to
simulate this specific ENOSPC condition so that we can test falling back
to a regular file copy.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/libxfs/xfs_ag_resv.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_ag_resv.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_ag_resv.c b/fs/xfs/libxfs/xfs_ag_resv.c index adf770f0d011..e5ebc3770460 100644 --- a/fs/xfs/libxfs/xfs_ag_resv.c +++ b/fs/xfs/libxfs/xfs_ag_resv.c @@ -109,7 +109,9 @@ xfs_ag_resv_critical( trace_xfs_ag_resv_critical(pag, type, avail); /* Critically low if less than 10% or max btree height remains. */ - return avail < orig / 10 || avail < XFS_BTREE_MAXLEVELS; + return XFS_TEST_ERROR(avail < orig / 10 || avail < XFS_BTREE_MAXLEVELS, + pag->pag_mount, XFS_ERRTAG_AG_RESV_CRITICAL, + XFS_RANDOM_AG_RESV_CRITICAL); } /* |