Re: [PATCH 3/5] block: add a queue_has_disk helper
From: Jan Kara <jack@suse.cz>
Date: 2021-08-09 15:18:23
Also in:
cgroups, linux-fsdevel, linux-mm
On Mon 09-08-21 16:17:42, Christoph Hellwig wrote:
Add a helper to check if a gendisk is associated with a request_queue. Signed-off-by: Christoph Hellwig <hch@lst.de>
Looks fine. Feel free to add: Reviewed-by: Jan Kara <jack@suse.cz> Honza
quoted hunk ↗ jump to hunk
--- include/linux/blkdev.h | 1 + 1 file changed, 1 insertion(+)diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index ac3642c88a4d..96f3d9617cd8 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h@@ -664,6 +664,7 @@ extern void blk_clear_pm_only(struct request_queue *q); dma_map_page_attrs(dev, (bv)->bv_page, (bv)->bv_offset, (bv)->bv_len, \ (dir), (attrs)) +#define queue_has_disk(q) ((q)->kobj.parent != NULL) #define queue_to_disk(q) (dev_to_disk(kobj_to_dev((q)->kobj.parent))) static inline bool queue_is_mq(struct request_queue *q)-- 2.30.2
-- Jan Kara [off-list ref] SUSE Labs, CR