@@ -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 +695,13 @@ 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));
+
+ log = READ_ONCE(conf->log);
+ if (log) {
+ __mddev_suspend(mddev, false);
log->r5c_journal_mode = R5C_JOURNAL_MODE_WRITE_THROUGH;
- mddev_resume(mddev);
- mddev_unlock(mddev);
+ __mddev_resume(mddev);
}
}