[-next,08/29] md/dm-raid: use new apis to suspend array

Commit Message

Yu Kuai Aug. 3, 2023, 1:29 p.m. UTC

From: Yu Kuai <[e-mail]>

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

These are not hot path, so performance is not concerned.

Signed-off-by: Yu Kuai <[e-mail]>
---
 drivers/md/dm-raid.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

Patch

diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 020598c10db0..2ff33b5d9a1b 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -3244,7 +3244,7 @@  static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 	set_bit(MD_RECOVERY_FROZEN, &rs->md.recovery);
 
 	/* Has to be held on running the array */
-	mddev_lock_nointr(&rs->md);
+	mddev_suspend_and_lock_nointr(&rs->md);
 	r = md_run(&rs->md);
 	rs->md.in_sync = 0; /* Assume already marked dirty */
 	if (r) {
@@ -3270,7 +3270,6 @@  static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 		}
 	}
 
-	mddev_suspend(&rs->md);
 	set_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags);
 
 	/* Try to adjust the raid4/5/6 stripe cache size to the stripe size */
@@ -3800,9 +3799,7 @@  static void raid_postsuspend(struct dm_target *ti)
 		if (!test_bit(MD_RECOVERY_FROZEN, &rs->md.recovery))
 			md_stop_writes(&rs->md);
 
-		mddev_lock_nointr(&rs->md);
-		mddev_suspend(&rs->md);
-		mddev_unlock(&rs->md);
+		__mddev_suspend(&rs->md);
 	}
 }
 
@@ -4014,7 +4011,7 @@  static int raid_preresume(struct dm_target *ti)
 	}
 
 	/* Check for any resize/reshape on @rs and adjust/initiate */
-	/* Be prepared for mddev_resume() in raid_resume() */
+	/* Be prepared for __mddev_resume() in raid_resume() */
 	set_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
 	if (mddev->recovery_cp && mddev->recovery_cp < MaxSector) {
 		set_bit(MD_RECOVERY_REQUESTED, &mddev->recovery);
@@ -4061,8 +4058,7 @@  static void raid_resume(struct dm_target *ti)
 		clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
 		mddev->ro = 0;
 		mddev->in_sync = 0;
-		mddev_resume(mddev);
-		mddev_unlock(mddev);
+		mddev_unlock_and_resume(mddev);
 	}
 }