From: Allison Henderson <allison.henderson@oracle.com>
Date: Wed, 22 Jun 2022 19:28:52 +0000 (-0500)
Subject: xfs: Add log attribute error tag
X-Git-Tag: v5.19.0-rc0~50
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=a28320315509a3c79dc3e0c7f1ddfe43d21c4c42;p=thirdparty%2Fxfsprogs-dev.git

xfs: Add log attribute error tag

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: Eric Sandeen <sandeen@sandeen.net>
---

diff --git a/io/inject.c b/io/inject.c
index b8b0977e1..43b51db5b 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 e920dc9fc..65afdb21a 100644
--- a/libxfs/defer_item.c
+++ b/libxfs/defer_item.c
@@ -510,6 +510,11 @@ xfs_attr_finish_item(
 	 */
 	args->trans = tp;
 
+	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);
@@ -522,7 +527,7 @@ xfs_attr_finish_item(
 		error = -EFSCORRUPTED;
 		break;
 	}
-
+out:
 	if (error != -EAGAIN)
 		kmem_free(attr);
 
diff --git a/libxfs/xfs_errortag.h b/libxfs/xfs_errortag.h
index a23a52e64..c15d23402 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_ */