Thread (29 messages) 29 messages, 2 authors, 2023-09-28
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[PATCH -next v3 05/25] md: use new apis to suspend array for suspend_lo/hi_store()

From: Yu Kuai <hidden>
Date: 2023-09-28 06:22:19
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.

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

Signed-off-by: Yu Kuai <redacted>
---
 drivers/md/md.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index a075d03d03d3..d1ec4805aa4e 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5290,15 +5290,13 @@ suspend_lo_store(struct mddev *mddev, const char *buf, size_t len)
 	if (new != (sector_t)new)
 		return -EINVAL;
 
-	err = mddev_lock(mddev);
+	err = __mddev_suspend(mddev, true);
 	if (err)
 		return err;
 
-	mddev_suspend(mddev);
 	WRITE_ONCE(mddev->suspend_lo, new);
-	mddev_resume(mddev);
+	__mddev_resume(mddev);
 
-	mddev_unlock(mddev);
 	return len;
 }
 static struct md_sysfs_entry md_suspend_lo =
@@ -5323,15 +5321,13 @@ suspend_hi_store(struct mddev *mddev, const char *buf, size_t len)
 	if (new != (sector_t)new)
 		return -EINVAL;
 
-	err = mddev_lock(mddev);
+	err = __mddev_suspend(mddev, true);
 	if (err)
 		return err;
 
-	mddev_suspend(mddev);
 	WRITE_ONCE(mddev->suspend_hi, new);
-	mddev_resume(mddev);
+	__mddev_resume(mddev);
 
-	mddev_unlock(mddev);
 	return len;
 }
 static struct md_sysfs_entry md_suspend_hi =
-- 
2.39.2
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