[PATCH -next v2 11/28] md/raid5-cache: use new apis to suspend array for r5c_disable_writeback_async()
From: Yu Kuai <hidden>
Date: 2023-08-28 02:05:56
Also in:
dm-devel, lkml
Subsystem:
software raid (multiple disks) support, the rest · Maintainers:
Song Liu, Yu Kuai, Linus Torvalds
From: Yu Kuai <redacted> Convert to use new apis, the old apis will be removed eventually. Signed-off-by: Yu Kuai <redacted> --- 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