diff options
Diffstat (limited to 'fs/btrfs/transaction.c')
| -rw-r--r-- | fs/btrfs/transaction.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 89597ea57115..b671ea4d80e1 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -208,6 +208,7 @@ static noinline void switch_commit_roots(struct btrfs_trans_handle *trans) * the caching thread will re-start it's search from 3, and thus find * the hole from [4,6) to add to the free space cache. */ + spin_lock(&fs_info->block_group_cache_lock); list_for_each_entry_safe(caching_ctl, next, &fs_info->caching_block_groups, list) { struct btrfs_block_group *cache = caching_ctl->block_group; @@ -220,6 +221,7 @@ static noinline void switch_commit_roots(struct btrfs_trans_handle *trans) cache->last_byte_to_unpin = caching_ctl->progress; } } + spin_unlock(&fs_info->block_group_cache_lock); up_write(&fs_info->commit_root_sem); } |