Once MD_BROKEN is set on an array, no further writes can be
performed to it.
The user must be informed that the array cannot continue operation.
Signed-off-by: Kenta Akagi <k@xxxxxxx>
---
drivers/md/raid1.c | 5 +++++
drivers/md/raid10.c | 5 +++++
2 files changed, 10 insertions(+)
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index fc7195e58f80..007e825c2e07 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1766,7 +1766,12 @@ static void raid1_error(struct mddev *mddev, struct md_rdev *rdev)
spin_unlock_irqrestore(&conf->device_lock, flags);
return;
}
+
set_bit(MD_BROKEN, &mddev->flags);
+ pr_crit("md/raid1:%s: Disk failure on %pg, this is the last device.\n"
+ "md/raid1:%s: Cannot continue operation (%d/%d failed).\n",
+ mdname(mddev), rdev->bdev,
+ mdname(mddev), mddev->degraded + 1, conf->raid_disks);
if (!mddev->fail_last_dev) {
conf->recovery_disabled = mddev->recovery_disabled;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index ff105a0dcd05..07248142ac52 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2014,7 +2014,12 @@ static void raid10_error(struct mddev *mddev, struct md_rdev *rdev)
spin_unlock_irqrestore(&conf->device_lock, flags);
return;
}
+
set_bit(MD_BROKEN, &mddev->flags);
+ pr_crit("md/raid10:%s: Disk failure on %pg, this is the last device.\n"
+ "md/raid10:%s: Cannot continue operation (%d/%d failed).\n",
+ mdname(mddev), rdev->bdev,
+ mdname(mddev), mddev->degraded + 1, conf->geo.raid_disks);
if (!mddev->fail_last_dev) {
spin_unlock_irqrestore(&conf->device_lock, flags);
--
2.50.1
