diff options
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index cd79a5f4c643..963160a0c393 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -2497,7 +2497,7 @@ static u64 first_logical_byte(struct btrfs_fs_info *fs_info) struct rb_node *leftmost; u64 bytenr = 0; - spin_lock(&fs_info->block_group_cache_lock); + read_lock(&fs_info->block_group_cache_lock); /* Get the block group with the lowest logical start address. */ leftmost = rb_first_cached(&fs_info->block_group_cache_tree); if (leftmost) { @@ -2506,7 +2506,7 @@ static u64 first_logical_byte(struct btrfs_fs_info *fs_info) bg = rb_entry(leftmost, struct btrfs_block_group, cache_node); bytenr = bg->start; } - spin_unlock(&fs_info->block_group_cache_lock); + read_unlock(&fs_info->block_group_cache_lock); return bytenr; } |