diff options
Diffstat (limited to 'block/blk-map.c')
| -rw-r--r-- | block/blk-map.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/block/blk-map.c b/block/blk-map.c index cadbf11b50a3..9002cfe855b9 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -319,7 +319,6 @@ static void bio_map_kern_endio(struct bio *bio) /** * bio_map_kern - map kernel address into bio - * @q: the struct request_queue for the bio * @data: pointer to buffer to map * @len: length in bytes * @gfp_mask: allocation flags for bio allocation @@ -327,8 +326,7 @@ static void bio_map_kern_endio(struct bio *bio) * Map the kernel address into a bio suitable for io to a block * device. Returns an error pointer in case of error. */ -static struct bio *bio_map_kern(struct request_queue *q, void *data, - unsigned int len, gfp_t gfp_mask) +static struct bio *bio_map_kern(void *data, unsigned int len, gfp_t gfp_mask) { unsigned long kaddr = (unsigned long)data; unsigned long end = (kaddr + len + PAGE_SIZE - 1) >> PAGE_SHIFT; @@ -402,7 +400,6 @@ static void bio_copy_kern_endio_read(struct bio *bio) /** * bio_copy_kern - copy kernel address into bio - * @q: the struct request_queue for the bio * @data: pointer to buffer to copy * @len: length in bytes * @gfp_mask: allocation flags for bio and page allocation @@ -411,8 +408,8 @@ static void bio_copy_kern_endio_read(struct bio *bio) * copy the kernel address into a bio suitable for io to a block * device. Returns an error pointer in case of error. */ -static struct bio *bio_copy_kern(struct request_queue *q, void *data, - unsigned int len, gfp_t gfp_mask, int reading) +static struct bio *bio_copy_kern(void *data, unsigned int len, gfp_t gfp_mask, + int reading) { unsigned long kaddr = (unsigned long)data; unsigned long end = (kaddr + len + PAGE_SIZE - 1) >> PAGE_SHIFT; @@ -687,7 +684,6 @@ EXPORT_SYMBOL(blk_rq_unmap_user); /** * blk_rq_map_kern - map kernel data to a request, for passthrough requests - * @q: request queue where request should be inserted * @rq: request to fill * @kbuf: the kernel buffer * @len: length of user data @@ -698,23 +694,23 @@ EXPORT_SYMBOL(blk_rq_unmap_user); * buffer is used. Can be called multiple times to append multiple * buffers. */ -int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf, - unsigned int len, gfp_t gfp_mask) +int blk_rq_map_kern(struct request *rq, void *kbuf, unsigned int len, + gfp_t gfp_mask) { int reading = rq_data_dir(rq) == READ; unsigned long addr = (unsigned long) kbuf; struct bio *bio; int ret; - if (len > (queue_max_hw_sectors(q) << 9)) + if (len > (queue_max_hw_sectors(rq->q) << SECTOR_SHIFT)) return -EINVAL; if (!len || !kbuf) return -EINVAL; - if (!blk_rq_aligned(q, addr, len) || object_is_on_stack(kbuf)) - bio = bio_copy_kern(q, kbuf, len, gfp_mask, reading); + if (!blk_rq_aligned(rq->q, addr, len) || object_is_on_stack(kbuf)) + bio = bio_copy_kern(kbuf, len, gfp_mask, reading); else - bio = bio_map_kern(q, kbuf, len, gfp_mask); + bio = bio_map_kern(kbuf, len, gfp_mask); if (IS_ERR(bio)) return PTR_ERR(bio); |