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-rw-r--r--Documentation/admin-guide/xfs.rst8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/admin-guide/xfs.rst b/Documentation/admin-guide/xfs.rst
index c85cd327af28..746ea60eed3f 100644
--- a/Documentation/admin-guide/xfs.rst
+++ b/Documentation/admin-guide/xfs.rst
@@ -215,6 +215,14 @@ When mounting an XFS filesystem, the following options are accepted.
inconsistent namespace presentation during or after a
failover event.
+ errortag=tagname
+ When specified, enables the error inject tag named "tagname" with the
+ default frequency. Can be specified multiple times to enable multiple
+ errortags. Specifying this option on remount will reset the error tag
+ to the default value if it was set to any other value before.
+ This option is only supported when CONFIG_XFS_DEBUG is enabled, and
+ will not be reflected in /proc/self/mounts.
+
Deprecation of V4 Format
========================