diff options
| -rw-r--r-- | drivers/md/raid5.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index a904a2c80fc8..25247a852912 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -679,14 +679,9 @@ get_active_stripe(struct r5conf *conf, sector_t sector, init_stripe(sh, sector, previous); atomic_inc(&sh->count); } - } else { + } else if (!atomic_inc_not_zero(&sh->count)) { spin_lock(&conf->device_lock); - if (atomic_read(&sh->count)) { - BUG_ON(!list_empty(&sh->lru) - && !test_bit(STRIPE_EXPANDING, &sh->state) - && !test_bit(STRIPE_ON_UNPLUG_LIST, &sh->state) - ); - } else { + if (!atomic_read(&sh->count)) { if (!test_bit(STRIPE_HANDLE, &sh->state)) atomic_inc(&conf->active_stripes); BUG_ON(list_empty(&sh->lru) && |