[PATCH 1/7] block: make bio_map_kern() non static
From: SelvaKumar S <hidden>
Date: 2021-08-17 11:28:50
Also in:
dm-devel, linux-block, linux-fsdevel, linux-nvme, linux-scsi
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
Make bio_map_kern() non static, so that copy offload/emulation can use it to add vmalloced memory to bio. Signed-off-by: SelvaKumar S <redacted> Signed-off-by: Nitesh Shetty <redacted> --- block/blk-map.c | 2 +- include/linux/blkdev.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/block/blk-map.c b/block/blk-map.c
index d1448aaad980..1b97b9b503f4 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c@@ -336,7 +336,7 @@ 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, +struct bio *bio_map_kern(struct request_queue *q, void *data, unsigned int len, gfp_t gfp_mask) { unsigned long kaddr = (unsigned long)data;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index df404c1fb087..28a193225cf2 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h@@ -903,6 +903,8 @@ extern int blk_rq_map_user(struct request_queue *, struct request *, struct rq_map_data *, void __user *, unsigned long, gfp_t); extern int blk_rq_unmap_user(struct bio *); +struct bio *bio_map_kern(struct request_queue *q, void *data, unsigned int len, + gfp_t gfp_mask); extern int blk_rq_map_kern(struct request_queue *, struct request *, void *, unsigned int, gfp_t); extern int blk_rq_map_user_iov(struct request_queue *, struct request *, struct rq_map_data *, const struct iov_iter *,
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2.25.1