From: Yu Kuai <yukuai3@huawei.com>
Date: Tue, 10 Oct 2023 15:19:42 +0000 (+0800)
Subject: md: replace is_md_suspended() with 'mddev->suspended' in md_check_recovery()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2e82248b70f48a98f3720cdaa8ea7a4e7f8bd760;p=linux.git

md: replace is_md_suspended() with 'mddev->suspended' in md_check_recovery()

Prepare to cleanup pers->prepare_suspend(), which is used to fix a
deadlock in raid456 by returning error for io that is waiting for
reshape to make progress in mddev_suspend().

This change will allow reshape to make progress while waiting for io to
be done in mddev_suspend() in following patches.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20231010151958.145896-4-yukuai1@huaweicloud.com
---

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 930bcabeec79a..cf929c42cdbe3 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -9418,7 +9418,7 @@ void md_check_recovery(struct mddev *mddev)
 		wake_up(&mddev->sb_wait);
 	}
 
-	if (is_md_suspended(mddev))
+	if (READ_ONCE(mddev->suspended))
 		return;
 
 	if (mddev->bitmap)