diff options
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index fb8d1fb14088..225380efd1e2 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4083,7 +4083,7 @@ static void handle_parity_checks5(struct r5conf *conf, struct stripe_head *sh, break; } dev = &sh->dev[s->failed_num[0]]; - /* fall through */ + fallthrough; case check_state_compute_result: sh->check_state = check_state_idle; if (!dev) @@ -4214,7 +4214,7 @@ static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh, /* we have 2-disk failure */ BUG_ON(s->failed != 2); - /* fall through */ + fallthrough; case check_state_compute_result: sh->check_state = check_state_idle; @@ -6514,9 +6514,12 @@ raid5_store_stripe_size(struct mddev *mddev, const char *page, size_t len) /* * The value should not be bigger than PAGE_SIZE. It requires to - * be multiple of DEFAULT_STRIPE_SIZE. + * be multiple of DEFAULT_STRIPE_SIZE and the value should be power + * of two. */ - if (new % DEFAULT_STRIPE_SIZE != 0 || new > PAGE_SIZE || new == 0) + if (new % DEFAULT_STRIPE_SIZE != 0 || + new > PAGE_SIZE || new == 0 || + new != roundup_pow_of_two(new)) return -EINVAL; err = mddev_lock(mddev); @@ -7019,7 +7022,7 @@ static struct r5conf *setup_conf(struct mddev *mddev) } else goto abort; spin_lock_init(&conf->device_lock); - seqcount_init(&conf->gen_lock); + seqcount_spinlock_init(&conf->gen_lock, &conf->device_lock); mutex_init(&conf->cache_size_mutex); init_waitqueue_head(&conf->wait_for_quiescent); init_waitqueue_head(&conf->wait_for_stripe); |