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| author | Brian Foster <bfoster@redhat.com> | 2020-05-06 22:29:19 +0200 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2020-05-07 17:27:48 +0200 |
| commit | 7376d74547344598008d00419eae0caa5f50f4f0 (patch) | |
| tree | a7a8b53d8250f5211031d2c89f5ad76b61f41b67 /fs/xfs/xfs_buf.c | |
| parent | xfs: remove unused iflush stale parameter (diff) | |
| download | linux-7376d74547344598008d00419eae0caa5f50f4f0.tar.xz linux-7376d74547344598008d00419eae0caa5f50f4f0.zip | |
xfs: random buffer write failure errortag
Introduce an error tag to randomly fail async buffer writes. This is
primarily to facilitate testing of the XFS error configuration
mechanism.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Allison Collins <allison.henderson@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_buf.c')
| -rw-r--r-- | fs/xfs/xfs_buf.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 3918270f4eab..9d8841ac7375 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -1289,6 +1289,12 @@ xfs_buf_bio_end_io( struct bio *bio) { struct xfs_buf *bp = (struct xfs_buf *)bio->bi_private; + struct xfs_mount *mp = bp->b_mount; + + if (!bio->bi_status && + (bp->b_flags & XBF_WRITE) && (bp->b_flags & XBF_ASYNC) && + XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BUF_IOERROR)) + bio->bi_status = BLK_STS_IOERR; /* * don't overwrite existing errors - otherwise we can lose errors on |