Btrfs: make delalloc inodes be flushed by multi-task
This patch introduce a new worker pool named "flush_workers", and if we
want to force all the inode with pending delalloc to the disks, we can
queue those inodes into the work queue of the worker pool, in this way,
those inodes will be flushed by multi-task.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 4e1def4..9c466f9 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1497,7 +1497,11 @@
WARN_ON(cur_trans != trans->transaction);
if (flush_on_commit || snap_pending) {
- btrfs_start_delalloc_inodes(root, 1);
+ ret = btrfs_start_delalloc_inodes(root, 1);
+ if (ret) {
+ btrfs_abort_transaction(trans, root, ret);
+ goto cleanup_transaction;
+ }
btrfs_wait_ordered_extents(root, 1);
}