diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/reada.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c index 74480809be76..7e5d4ac800d9 100644 --- a/fs/btrfs/reada.c +++ b/fs/btrfs/reada.c @@ -303,8 +303,10 @@ static struct reada_zone *reada_find_zone(struct btrfs_fs_info *fs_info, kfree(zone); ret = radix_tree_gang_lookup(&dev->reada_zones, (void **)&zone, logical >> PAGE_CACHE_SHIFT, 1); - if (ret == 1) + if (ret == 1 && logical >= zone->start && logical <= zone->end) kref_get(&zone->refcnt); + else + zone = NULL; } spin_unlock(&fs_info->reada_lock); |