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| author | NeilBrown <neilb@suse.de> | 2012-02-13 14:24:05 +1100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2012-02-13 14:24:05 +1100 |
| commit | f53e29fc87b6fb76db0043202ec2c3450caa5ff3 (patch) | |
| tree | b1f8705e420775a40ebb2f26132fe27184b82fbb /drivers/md/raid1.c | |
| parent | db91ff55bdf06736b849afc1b1fce5763bbb8d5d (diff) | |
| download | lwn-f53e29fc87b6fb76db0043202ec2c3450caa5ff3.tar.gz lwn-f53e29fc87b6fb76db0043202ec2c3450caa5ff3.zip | |
md/raid1: fix buglet in md_raid1_contested.
Since we added 'replacement' capability, RAID1 can have twice
as many devices as ->raid_disks indicates.
So md_raid1_congested needs to check that many possible devices,
not just ->raid_disks many.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/raid1.c')
| -rw-r--r-- | drivers/md/raid1.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index a368db2431a5..a0b225eb4ac4 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -624,7 +624,7 @@ int md_raid1_congested(struct mddev *mddev, int bits) return 1; rcu_read_lock(); - for (i = 0; i < conf->raid_disks; i++) { + for (i = 0; i < conf->raid_disks * 2; i++) { struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev); if (rdev && !test_bit(Faulty, &rdev->flags)) { struct request_queue *q = bdev_get_queue(rdev->bdev); |