| Message ID | 20210809141744.1203023-4-hch@lst.de (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [1/5] mm: hide laptop_mode_wb_timer entirely behind the BDI API | expand |
Looks good,
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
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 > --- > 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 >
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)
Add a helper to check if a gendisk is associated with a request_queue. Signed-off-by: Christoph Hellwig <hch@lst.de> --- include/linux/blkdev.h | 1 + 1 file changed, 1 insertion(+)