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authorDarrick J. Wong <darrick.wong@oracle.com>2016-08-03 04:26:33 +0300
committerDave Chinner <david@fromorbit.com>2016-08-03 04:26:33 +0300
commitba9e780246a15a35f8ebe5b60f4a11bb58e85bda (patch)
tree8216f1d66b69c2a34643d5604d79dc58278e2943 /fs/xfs/xfs_error.h
parentdc42375d5f55d2c48d363957621d7aa913bdc5a1 (diff)
downloadlinux-ba9e780246a15a35f8ebe5b60f4a11bb58e85bda.tar.xz
xfs: add tracepoints and error injection for deferred extent freeing
Add a couple of tracepoints for the deferred extent free operation and a site for injecting errors while finishing the operation. This makes it easier to debug deferred ops and test log redo. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_error.h')
-rw-r--r--fs/xfs/xfs_error.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h
index 2e4f67f68856..da6f951435c9 100644
--- a/fs/xfs/xfs_error.h
+++ b/fs/xfs/xfs_error.h
@@ -90,7 +90,8 @@ extern void xfs_verifier_error(struct xfs_buf *bp);
#define XFS_ERRTAG_STRATCMPL_IOERR 19
#define XFS_ERRTAG_DIOWRITE_IOERR 20
#define XFS_ERRTAG_BMAPIFORMAT 21
-#define XFS_ERRTAG_MAX 22
+#define XFS_ERRTAG_FREE_EXTENT 22
+#define XFS_ERRTAG_MAX 23
/*
* Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
@@ -117,6 +118,7 @@ extern void xfs_verifier_error(struct xfs_buf *bp);
#define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10)
#define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10)
#define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_FREE_EXTENT 1
#ifdef DEBUG
extern int xfs_error_test_active;