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Message-Id: <20230828020021.2489641-12-yukuai1@huaweicloud.com>
Date: Mon, 28 Aug 2023 10:00:04 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: agk@...hat.com, snitzer@...nel.org, dm-devel@...hat.com,
song@...nel.org, xni@...hat.com
Cc: linux-kernel@...r.kernel.org, linux-raid@...r.kernel.org,
yukuai3@...wei.com, yukuai1@...weicloud.com, yi.zhang@...wei.com,
yangerkun@...wei.com
Subject: [PATCH -next v2 11/28] md/raid5-cache: use new apis to suspend array for r5c_disable_writeback_async()
From: Yu Kuai <yukuai3@...wei.com>
Convert to use new apis, the old apis will be removed eventually.
Signed-off-by: Yu Kuai <yukuai3@...wei.com>
---
drivers/md/raid5-cache.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c
index 889bba60d6ff..109367fec7c0 100644
--- a/drivers/md/raid5-cache.c
+++ b/drivers/md/raid5-cache.c
@@ -686,7 +686,6 @@ static void r5c_disable_writeback_async(struct work_struct *work)
disable_writeback_work);
struct mddev *mddev = log->rdev->mddev;
struct r5conf *conf = mddev->private;
- int locked = 0;
if (log->r5c_journal_mode == R5C_JOURNAL_MODE_WRITE_THROUGH)
return;
@@ -696,13 +695,12 @@ static void r5c_disable_writeback_async(struct work_struct *work)
/* wait superblock change before suspend */
wait_event(mddev->sb_wait,
!READ_ONCE(conf->log) ||
- (!test_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags) &&
- (locked = mddev_trylock(mddev))));
- if (locked) {
- mddev_suspend(mddev);
+ !test_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags));
+
+ if (READ_ONCE(conf->log)) {
+ __mddev_suspend(mddev);
log->r5c_journal_mode = R5C_JOURNAL_MODE_WRITE_THROUGH;
- mddev_resume(mddev);
- mddev_unlock(mddev);
+ __mddev_resume(mddev);
}
}
--
2.39.2
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