From ff780b91efe901b8eecd8114785abae5341820ad Mon Sep 17 00:00:00 2001
From: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Date: Thu, 15 Oct 2020 13:37:56 -0700
Subject: jbd2: add fast commit machinery
This functions adds necessary APIs needed in JBD2 layer for fast
commits.
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201015203802.3597742-5-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---
fs/ext4/fast_commit.c | 8 ++++++++
1 file changed, 8 insertions(+)
(limited to 'fs/ext4/fast_commit.c')
diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
index 0dad8bdb1253..f2d11b4c6b62 100644
--- a/fs/ext4/fast_commit.c
+++ b/fs/ext4/fast_commit.c
@@ -8,11 +8,19 @@
* Ext4 fast commits routines.
*/
#include "ext4_jbd2.h"
+/*
+ * Fast commit cleanup routine. This is called after every fast commit and
+ * full commit. full is true if we are called after a full commit.
+ */
+static void ext4_fc_cleanup(journal_t *journal, int full)
+{
+}
void ext4_fc_init(struct super_block *sb, journal_t *journal)
{
if (!test_opt2(sb, JOURNAL_FAST_COMMIT))
return;
+ journal->j_fc_cleanup_callback = ext4_fc_cleanup;
if (jbd2_fc_init(journal, EXT4_NUM_FC_BLKS)) {
pr_warn("Error while enabling fast commits, turning off.");
ext4_clear_feature_fast_commit(sb);
--
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