[PATCH -next 11/29] md/raid5-cache: use new apis to suspend array for r5c_disable_writeback_async()

From: Yu Kuai
Date: Thu Aug 03 2023 - 09:34:41 EST


From: Yu Kuai <yukuai3@xxxxxxxxxx>

Convert to use new apis, the old apis will be removed eventually.

Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
---
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 b6e0a6bb3965..c71cb5c954e0 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