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-rw-r--r--drivers/md/md.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h
index e14e667a20e9..2bea51edfab7 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -233,6 +233,7 @@ struct mddev {
* md_ioctl checked on it.
*/
#define MD_JOURNAL_CLEAN 5 /* A raid with journal is already clean */
+#define MD_HAS_JOURNAL 6 /* The raid array has journal feature set */
int suspended;
atomic_t active_io;