netdev - [PATCH 08/23] rbd: use bvec_set_page to initialize the copy up bvec

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Message-Id: <20230130092157.1759539-9-hch@lst.de>
Date:   Mon, 30 Jan 2023 10:21:42 +0100
From:   Christoph Hellwig <hch@....de>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Ilya Dryomov <idryomov@...il.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Minchan Kim <minchan@...nel.org>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Keith Busch <kbusch@...nel.org>,
        Sagi Grimberg <sagi@...mberg.me>,
        Chaitanya Kulkarni <kch@...dia.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        David Howells <dhowells@...hat.com>,
        Marc Dionne <marc.dionne@...istor.com>,
        Xiubo Li <xiubli@...hat.com>, Steve French <sfrench@...ba.org>,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        Anna Schumaker <anna@...nel.org>,
        Mike Marshall <hubcap@...ibond.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Chuck Lever <chuck.lever@...cle.com>,
        linux-block@...r.kernel.org, ceph-devel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        linux-nvme@...ts.infradead.org, linux-scsi@...r.kernel.org,
        target-devel@...r.kernel.org, kvm@...r.kernel.org,
        netdev@...r.kernel.org, linux-afs@...ts.infradead.org,
        linux-cifs@...r.kernel.org, samba-technical@...ts.samba.org,
        linux-fsdevel@...r.kernel.org, linux-nfs@...r.kernel.org,
        devel@...ts.orangefs.org, io-uring@...r.kernel.org,
        linux-mm@...ck.org
Subject: [PATCH 08/23] rbd: use bvec_set_page to initialize the copy up bvec

Use the bvec_set_page helper to initialize the copy up bvec.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 drivers/block/rbd.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 04453f4a319cb4..1faca7e07a4d52 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -3068,13 +3068,12 @@ static int setup_copyup_bvecs(struct rbd_obj_request *obj_req, u64 obj_overlap)
 
 	for (i = 0; i < obj_req->copyup_bvec_count; i++) {
 		unsigned int len = min(obj_overlap, (u64)PAGE_SIZE);
+		struct page *page = alloc_page(GFP_NOIO);
 
-		obj_req->copyup_bvecs[i].bv_page = alloc_page(GFP_NOIO);
-		if (!obj_req->copyup_bvecs[i].bv_page)
+		if (!page)
 			return -ENOMEM;
 
-		obj_req->copyup_bvecs[i].bv_offset = 0;
-		obj_req->copyup_bvecs[i].bv_len = len;
+		bvec_set_page(&obj_req->copyup_bvecs[i], page, len, 0);
 		obj_overlap -= len;
 	}
 
-- 
2.39.0