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md: don't check 'mddev->pers' from suspend_hi_store()

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Now that mddev_suspend() doean't rely on 'mddev->pers' to be set, it's
safe to remove such checking.

This will also allow the array to be suspended even before the array
is ran.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230825030956.1527023-7-yukuai1@huaweicloud.com
This commit is contained in:
Yu Kuai 2023-08-25 11:09:55 +08:00 committed by Song Liu
parent 158d32af87
commit a2a9f16838
1 changed files with 1 additions and 6 deletions
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7
drivers/md/md.c
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@ -5226,18 +5226,13 @@ suspend_hi_store(struct mddev *mddev, const char *buf, size_t len)
err = mddev_lock(mddev);
if (err)
return err;
err = -EINVAL;
if (mddev->pers == NULL)
goto unlock;
mddev_suspend(mddev);
mddev->suspend_hi = new;
mddev_resume(mddev);
err = 0;
unlock:
mddev_unlock(mddev);
return err ?: len;
return len;
}
static struct md_sysfs_entry md_suspend_hi =
__ATTR(suspend_hi, S_IRUGO|S_IWUSR, suspend_hi_show, suspend_hi_store);