VisionFive2 Linux kernel

author: Matthew Wilcox (Oracle) <willy@infradead.org> 2021-01-29 04:38:57 +0000 committer: Jens Axboe <axboe@kernel.dk> 2021-02-26 15:49:51 -0700 commit: 5f7136db82996089cdfb2939c7664b29e9da141d parent: 94d4bffdda21baa2c749bc229c41811a7559dd15

Commit Summary:

block: Add bio_max_segs

Diffstat:

1 file changed, 1 insertion, 2 deletions

diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index da16121140ca..1cdf09ff67b6 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -1326,9 +1326,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring,
 				     pages[i]->page,
 				     seg[i].nsec << 9,
 				     seg[i].offset) == 0)) {
-
-			int nr_iovecs = min_t(int, (nseg-i), BIO_MAX_PAGES);
-			bio = bio_alloc(GFP_KERNEL, nr_iovecs);
+			bio = bio_alloc(GFP_KERNEL, bio_max_segs(nseg - i));
 			if (unlikely(bio == NULL))
 				goto fail_put_bio;