diff options
Diffstat (limited to 'fs/bcachefs/super.c')
| -rw-r--r-- | fs/bcachefs/super.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/bcachefs/super.c b/fs/bcachefs/super.c index beb0587be4ce..1938bec2bbe1 100644 --- a/fs/bcachefs/super.c +++ b/fs/bcachefs/super.c @@ -146,7 +146,8 @@ static int bch_congested_fn(void *data, int bdi_bits) } } else { /* Writes only go to tier 0: */ - group_for_each_cache_rcu(ca, &c->cache_tiers[0], i) { + mutex_lock(&c->cache_tiers[0].lock); + group_for_each_cache(ca, &c->cache_tiers[0], i) { bdi = blk_get_backing_dev_info(ca->disk_sb.bdev); if (bdi_congested(bdi, bdi_bits)) { @@ -154,6 +155,7 @@ static int bch_congested_fn(void *data, int bdi_bits) break; } } + mutex_unlock(&c->cache_tiers[0].lock); } rcu_read_unlock(); |