diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index b2a0e0a84309..bbe002ebd584 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -9791,6 +9791,17 @@ int rdev_set_badblocks(struct md_rdev *rdev, sector_t s, int sectors, { struct mddev *mddev = rdev->mddev; int rv; + + /* + * Recording new badblocks for faulty rdev will force unnecessary + * super block updating. This is fragile for external management because + * userspace daemon may trying to remove this device and deadlock may + * occur. This will be probably solved in the mdadm, but it is safer to + * avoid it. + */ + if (test_bit(Faulty, &rdev->flags)) + return 1; + if (is_new) s += rdev->new_data_offset; else |