[PATCH 09/19] rnbd-srv: use bio_add_virt_nofail
Christoph Hellwig <[email protected]>
| Newsgroups | org.kernel.vger.linux-bcache,dev.linux.lists.dm-devel,dev.linux.lists.gfs2,org.kernel.vger.linux-block,org.kernel.vger.linux-btrfs,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-pm,org.kernel.vger.linux-xfs |
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| Message-ID | <[email protected]> |
Use the bio_add_virt_nofail to add a single kernel virtual address to a bio as that can't fail. Signed-off-by: Christoph Hellwig <[email protected]> Acked-by: Jack Wang <[email protected]> Reviewed-by: Damien Le Moal <[email protected]> Reviewed-by: Johannes Thumshirn <[email protected]> --- drivers/block/rnbd/rnbd-srv.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c index 2ee6e9bd4e28..2df8941a6b14 100644 --- a/drivers/block/rnbd/rnbd-srv.c +++ b/drivers/block/rnbd/rnbd-srv.c @@ -147,12 +147,7 @@ static int process_rdma(struct rnbd_srv_session *srv_sess, bio = bio_alloc(file_bdev(sess_dev->bdev_file), 1, rnbd_to_bio_flags(le32_to_cpu(msg->rw)), GFP_KERNEL); - if (bio_add_page(bio, virt_to_page(data), datalen, - offset_in_page(data)) != datalen) { - rnbd_srv_err_rl(sess_dev, "Failed to map data to bio\n"); - err = -EINVAL; - goto bio_put; - } + bio_add_virt_nofail(bio, data, datalen); bio->bi_opf = rnbd_to_bio_flags(le32_to_cpu(msg->rw)); if (bio_has_data(bio) && -- 2.47.2