[PATCHv3 04/10] ext4: Do not call FC trace event in ext4_fc_commit() if FS does not support FC

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This just puts trace_ext4_fc_commit_start(sb) & ktime_get()
for measuring FC commit time, after the check of whether sb
supports JOURNAL_FAST_COMMIT or not.

Signed-off-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxx>
Reviewed-by: Harshad Shirwadkar <harshadshirwadkar@xxxxxxxxx>
Reviewed-by: Jan Kara <jack@xxxxxxx>
---
 fs/ext4/fast_commit.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
index 5ac594e03402..55d33f296cae 100644
--- a/fs/ext4/fast_commit.c
+++ b/fs/ext4/fast_commit.c
@@ -1165,13 +1165,13 @@ int ext4_fc_commit(journal_t *journal, tid_t commit_tid)
 	int status = EXT4_FC_STATUS_OK, fc_bufs_before = 0;
 	ktime_t start_time, commit_time;
 
+	if (!test_opt2(sb, JOURNAL_FAST_COMMIT))
+		return jbd2_complete_transaction(journal, commit_tid);
+
 	trace_ext4_fc_commit_start(sb);
 
 	start_time = ktime_get();
 
-	if (!test_opt2(sb, JOURNAL_FAST_COMMIT))
-		return jbd2_complete_transaction(journal, commit_tid);
-
 restart_fc:
 	ret = jbd2_fc_begin_commit(journal, commit_tid);
 	if (ret == -EALREADY) {
-- 
2.31.1




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