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authorBrian Foster <bfoster@redhat.com>2020-05-06 13:29:19 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2020-05-07 08:27:48 -0700
commit7376d74547344598008d00419eae0caa5f50f4f0 (patch)
treea7a8b53d8250f5211031d2c89f5ad76b61f41b67 /fs/xfs/libxfs/xfs_errortag.h
parentxfs: remove unused iflush stale parameter (diff)
downloadlinux-dev-7376d74547344598008d00419eae0caa5f50f4f0.tar.xz
linux-dev-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/libxfs/xfs_errortag.h')
-rw-r--r--fs/xfs/libxfs/xfs_errortag.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_errortag.h b/fs/xfs/libxfs/xfs_errortag.h
index 79e6c4fb1d8a..2486dab19023 100644
--- a/fs/xfs/libxfs/xfs_errortag.h
+++ b/fs/xfs/libxfs/xfs_errortag.h
@@ -55,7 +55,8 @@
#define XFS_ERRTAG_FORCE_SCRUB_REPAIR 32
#define XFS_ERRTAG_FORCE_SUMMARY_RECALC 33
#define XFS_ERRTAG_IUNLINK_FALLBACK 34
-#define XFS_ERRTAG_MAX 35
+#define XFS_ERRTAG_BUF_IOERROR 35
+#define XFS_ERRTAG_MAX 36
/*
* Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
@@ -95,5 +96,6 @@
#define XFS_RANDOM_FORCE_SCRUB_REPAIR 1
#define XFS_RANDOM_FORCE_SUMMARY_RECALC 1
#define XFS_RANDOM_IUNLINK_FALLBACK (XFS_RANDOM_DEFAULT/10)
+#define XFS_RANDOM_BUF_IOERROR XFS_RANDOM_DEFAULT
#endif /* __XFS_ERRORTAG_H_ */