提交 ad693af6 编写于 作者: C Chris Mason 提交者: David Woodhouse

Btrfs: reap dead roots right after commit

Signed-off-by: NChris Mason <chris.mason@oracle.com>
上级 facda1e7
......@@ -371,13 +371,6 @@ void btrfs_transaction_cleaner(struct work_struct *work)
int ret;
INIT_LIST_HEAD(&dirty_roots);
mutex_lock(&root->fs_info->trans_mutex);
list_splice_init(&root->fs_info->dead_roots, &dirty_roots);
mutex_unlock(&root->fs_info->trans_mutex);
if (!list_empty(&dirty_roots)) {
drop_dirty_roots(root, &dirty_roots);
}
mutex_lock(&root->fs_info->fs_mutex);
mutex_lock(&root->fs_info->trans_mutex);
cur = root->fs_info->running_transaction;
......@@ -396,6 +389,14 @@ void btrfs_transaction_cleaner(struct work_struct *work)
ret = btrfs_commit_transaction(trans, root);
out:
mutex_unlock(&root->fs_info->fs_mutex);
mutex_lock(&root->fs_info->trans_mutex);
list_splice_init(&root->fs_info->dead_roots, &dirty_roots);
mutex_unlock(&root->fs_info->trans_mutex);
if (!list_empty(&dirty_roots)) {
drop_dirty_roots(root, &dirty_roots);
}
btrfs_transaction_queue_work(root, delay);
}
......
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