1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 7564c44b8045..200d0862335f 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4259,6 +4259,13 @@ action_store(struct mddev *mddev, const char *page, size_t len)
                 set_bit(MD_RECOVERY_REQUESTED, &mddev->recovery);
                 set_bit(MD_RECOVERY_SYNC, &mddev->recovery);
         }
+        if (mddev->ro == 2) {
+                /* A write to sync_action is enough to justify
+                 * canceling read-auto mode
+                 */
+                mddev->ro = 0;
+                md_wakeup_thread(mddev->sync_thread);
+        }
         set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
         md_wakeup_thread(mddev->thread);
         sysfs_notify_dirent_safe(mddev->sysfs_action);