summaryrefslogtreecommitdiffstats
path: root/fs/btrfs/transaction.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/btrfs/transaction.h')
-rw-r--r--fs/btrfs/transaction.h34
1 files changed, 18 insertions, 16 deletions
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index b6c94ce33503..d8c0826bc2c7 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -1,23 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2007 Oracle. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License v2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA.
*/
-#ifndef __BTRFS_TRANSACTION__
-#define __BTRFS_TRANSACTION__
+#ifndef BTRFS_TRANSACTION_H
+#define BTRFS_TRANSACTION_H
#include <linux/refcount.h>
#include "btrfs_inode.h"
@@ -212,6 +199,20 @@ int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root);
int btrfs_commit_transaction(struct btrfs_trans_handle *trans);
int btrfs_commit_transaction_async(struct btrfs_trans_handle *trans,
int wait_for_unblock);
+
+/*
+ * Try to commit transaction asynchronously, so this is safe to call
+ * even holding a spinlock.
+ *
+ * It's done by informing transaction_kthread to commit transaction without
+ * waiting for commit interval.
+ */
+static inline void btrfs_commit_transaction_locksafe(
+ struct btrfs_fs_info *fs_info)
+{
+ set_bit(BTRFS_FS_NEED_ASYNC_COMMIT, &fs_info->flags);
+ wake_up_process(fs_info->transaction_kthread);
+}
int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans);
int btrfs_should_end_transaction(struct btrfs_trans_handle *trans);
void btrfs_throttle(struct btrfs_fs_info *fs_info);
@@ -228,4 +229,5 @@ void btrfs_put_transaction(struct btrfs_transaction *transaction);
void btrfs_apply_pending_changes(struct btrfs_fs_info *fs_info);
void btrfs_add_dropped_root(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
+
#endif