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Btrfs: fix unclosed transaction handler when the async transaction commitment fails 

If the async transaction commitment failed, we need close the
current transaction handler, or the current transaction will be
blocked to commit because of this orphan handler.

We fix the problem by doing sync transaction commitment, that is
to invoke btrfs_commit_transaction().

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Miao Xie 2013-03-04 09:45:06 +00:00 committed by Josef Bacik
parent aec8030a87
commit 00d71c9c17
1 changed files with 4 additions and 0 deletions
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4
fs/btrfs/ioctl.c
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@ -527,6 +527,8 @@ fail:
if (async_transid) {
*async_transid = trans->transid;
err = btrfs_commit_transaction_async(trans, root, 1);
if (err)
err = btrfs_commit_transaction(trans, root);
} else {
err = btrfs_commit_transaction(trans, root);
}
@ -592,6 +594,8 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
*async_transid = trans->transid;
ret = btrfs_commit_transaction_async(trans,
root->fs_info->extent_root, 1);
if (ret)
ret = btrfs_commit_transaction(trans, root);
} else {
ret = btrfs_commit_transaction(trans,
root->fs_info->extent_root);