From: Yu Kuai yukuai3@huawei.com
commit 3d8d32873c7b6d9cec5b40c2ddb8c7c55961694f upstream.
There are no functional changes, prepare to simplify md_seq_ops in next patch.
Signed-off-by: Yu Kuai yukuai3@huawei.com Signed-off-by: Song Liu song@kernel.org Link: https://lore.kernel.org/r/20230927061241.1552837-2-yukuai1@huaweicloud.com [minor context conflict] Signed-off-by: Yu Kuai yukuai3@huawei.com --- drivers/md/md.c | 32 ++++++++++++++++++-------------- 1 file changed, 18 insertions(+), 14 deletions(-)
diff --git a/drivers/md/md.c b/drivers/md/md.c index 5e2751d42f64..639fe8ebaa68 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -667,24 +667,28 @@ static inline struct mddev *mddev_get(struct mddev *mddev)
static void mddev_delayed_delete(struct work_struct *ws);
+static void __mddev_put(struct mddev *mddev) +{ + if (mddev->raid_disks || !list_empty(&mddev->disks) || + mddev->ctime || mddev->hold_active) + return; + + /* Array is not configured at all, and not held active, so destroy it */ + set_bit(MD_DELETED, &mddev->flags); + + /* + * Call queue_work inside the spinlock so that flush_workqueue() after + * mddev_find will succeed in waiting for the work to be done. + */ + INIT_WORK(&mddev->del_work, mddev_delayed_delete); + queue_work(md_misc_wq, &mddev->del_work); +} + void mddev_put(struct mddev *mddev) { if (!atomic_dec_and_lock(&mddev->active, &all_mddevs_lock)) return; - if (!mddev->raid_disks && list_empty(&mddev->disks) && - mddev->ctime == 0 && !mddev->hold_active) { - /* Array is not configured at all, and not held active, - * so destroy it */ - set_bit(MD_DELETED, &mddev->flags); - - /* - * Call queue_work inside the spinlock so that - * flush_workqueue() after mddev_find will succeed in waiting - * for the work to be done. - */ - INIT_WORK(&mddev->del_work, mddev_delayed_delete); - queue_work(md_misc_wq, &mddev->del_work); - } + __mddev_put(mddev); spin_unlock(&all_mddevs_lock); }