1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 5fcce7371ee9..202deb43b822 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -8130,6 +8130,15 @@ void md_check_recovery(struct mddev *mddev)
                 int spares = 0;
 
                 if (mddev->ro) {
+                        struct md_rdev *rdev;
+                        if (!mddev->external && mddev->in_sync)
+                                /* 'Blocked' flag not needed as failed devices
+                                 * will be recorded if array switched to read/write.
+                                 * Leaving it set will prevent the device
+                                 * from being removed.
+                                 */
+                                rdev_for_each(rdev, mddev)
+                                        clear_bit(Blocked, &rdev->flags);
                         /* On a read-only array we can:
                          * - remove failed devices
                          * - add already-in_sync devices if the array itself