[PATCH 12/18] xfsprogs: Add log attribute error tag

[Allison Henderson <allison.henderson@oracle.com>]

Source kernel commit: abd61ca3c333506ffa4ee73b78659ab57e7efcf7

This patch adds an error tag that we can use to test log attribute
recovery and replay

Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
---
 io/inject.c           | 1 +
 libxfs/defer_item.c   | 6 ++++++
 libxfs/xfs_errortag.h | 4 +++-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/io/inject.c b/io/inject.c
index b8b0977e139e..43b51db5b9cc 100644
--- a/io/inject.c
+++ b/io/inject.c
@@ -58,6 +58,7 @@ error_tag(char *name)
 		{ XFS_ERRTAG_REDUCE_MAX_IEXTENTS,	"reduce_max_iextents" },
 		{ XFS_ERRTAG_BMAP_ALLOC_MINLEN_EXTENT,	"bmap_alloc_minlen_extent" },
 		{ XFS_ERRTAG_AG_RESV_FAIL,		"ag_resv_fail" },
+		{ XFS_ERRTAG_LARP,			"larp" },
 		{ XFS_ERRTAG_MAX,			NULL }
 	};
 	int	count;
diff --git a/libxfs/defer_item.c b/libxfs/defer_item.c
index c6dd6f235124..a6ba75fbfd8b 100644
--- a/libxfs/defer_item.c
+++ b/libxfs/defer_item.c
@@ -136,6 +136,11 @@ xfs_trans_attr_finish_update(
 					     XFS_ATTR_OP_FLAGS_TYPE_MASK;
 	int				error;
 
+	if (XFS_TEST_ERROR(false, args->dp->i_mount, XFS_ERRTAG_LARP)) {
+		error = -EIO;
+		goto out;
+	}
+
 	switch (op) {
 	case XFS_ATTR_OP_FLAGS_SET:
 		error = xfs_attr_set_iter(dac);
@@ -149,6 +154,7 @@ xfs_trans_attr_finish_update(
 		break;
 	}
 
+out:
 	/*
 	 * Mark the transaction dirty, even on error. This ensures the
 	 * transaction is aborted, which:
diff --git a/libxfs/xfs_errortag.h b/libxfs/xfs_errortag.h
index a23a52e643ad..c15d2340220c 100644
--- a/libxfs/xfs_errortag.h
+++ b/libxfs/xfs_errortag.h
@@ -59,7 +59,8 @@
 #define XFS_ERRTAG_REDUCE_MAX_IEXTENTS			36
 #define XFS_ERRTAG_BMAP_ALLOC_MINLEN_EXTENT		37
 #define XFS_ERRTAG_AG_RESV_FAIL				38
-#define XFS_ERRTAG_MAX					39
+#define XFS_ERRTAG_LARP					39
+#define XFS_ERRTAG_MAX					40
 
 /*
  * Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
@@ -103,5 +104,6 @@
 #define XFS_RANDOM_REDUCE_MAX_IEXTENTS			1
 #define XFS_RANDOM_BMAP_ALLOC_MINLEN_EXTENT		1
 #define XFS_RANDOM_AG_RESV_FAIL				1
+#define XFS_RANDOM_LARP					1
 
 #endif /* __XFS_ERRORTAG_H_ */
-- 
2.25.1