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rnbd: remove rnbd_dev_submit_io

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The function only has one caller, so let's open code it in process_rdma.
Another bonus is we can avoid push/pop stack, since we need to pass 8
arguments to rnbd_dev_submit_io.

Signed-off-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
Acked-by: Danil Kipnis <danil.kipnis@cloud.ionos.com>
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Guoqing Jiang
2020-07-30 11:13:57 +02:00
committed by Jens Axboe
parent b35fd7422c
commit 735d77d4fd
3 changed files with 31 additions and 56 deletions
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19
drivers/block/rnbd/rnbd-srv-dev.h
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@@ -41,6 +41,11 @@ void rnbd_dev_close(struct rnbd_dev *dev);
void rnbd_endio(void *priv, int error);
void rnbd_dev_bi_end_io(struct bio *bio);
struct bio *rnbd_bio_map_kern(void *data, struct bio_set *bs,
unsigned int len, gfp_t gfp_mask);
static inline int rnbd_dev_get_max_segs(const struct rnbd_dev *dev)
{
return queue_max_segments(bdev_get_queue(dev->bdev));
@@ -75,18 +80,4 @@ static inline int rnbd_dev_get_discard_alignment(const struct rnbd_dev *dev)
return bdev_get_queue(dev->bdev)->limits.discard_alignment;
}
/**
* rnbd_dev_submit_io() - Submit an I/O to the disk
* @dev: device to that the I/O is submitted
* @sector: address to read/write data to
* @data: I/O data to write or buffer to read I/O date into
* @len: length of @data
* @bi_size: Amount of data that will be read/written
* @prio: IO priority
* @priv: private data passed to @io_fn
*/
int rnbd_dev_submit_io(struct rnbd_dev *dev, sector_t sector, void *data,
size_t len, u32 bi_size, enum rnbd_io_flags flags,
short prio, void *priv);
#endif /* RNBD_SRV_DEV_H */