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-rw-r--r--drivers/md/md.c9
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