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Diffstat (limited to 'fs/btrfs/super.c')
-rw-r--r--fs/btrfs/super.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 2e06f124f28..073c2368f45 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -813,7 +813,6 @@ int btrfs_sync_fs(struct super_block *sb, int wait)
struct btrfs_trans_handle *trans;
struct btrfs_fs_info *fs_info = btrfs_sb(sb);
struct btrfs_root *root = fs_info->tree_root;
- int ret;
trace_btrfs_sync_fs(wait);
@@ -824,11 +823,17 @@ int btrfs_sync_fs(struct super_block *sb, int wait)
btrfs_wait_ordered_extents(root, 0, 0);
- trans = btrfs_start_transaction(root, 0);
+ spin_lock(&fs_info->trans_lock);
+ if (!fs_info->running_transaction) {
+ spin_unlock(&fs_info->trans_lock);
+ return 0;
+ }
+ spin_unlock(&fs_info->trans_lock);
+
+ trans = btrfs_join_transaction(root);
if (IS_ERR(trans))
return PTR_ERR(trans);
- ret = btrfs_commit_transaction(trans, root);
- return ret;
+ return btrfs_commit_transaction(trans, root);
}
static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry)