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27 Jan 2021 22:58:37 -0800 IronPort-SDR: e2VgktU8Igp+G/4kwCau3Wofn5lcroMY0YPC7tNcu39YNL7JBNMa1+cKXT86WcuzihvSj94J7W 8sv8AfyOojzHeLFV1vgVT8Pm71/iwcQAmabu9Ufd/jwBkzWKoKpTzhJn2DWIwNp2e8mqIx3G5A LS7tN5JWZnYOGTkwZ/LMhdAEhsm6g9R10Edu6WiLHx+xz1R0nO/OSJcMH5j4uo+XVYn8ORNhbv mynrcW4WJ2Z8dThUFTylCCg25lF4TIegFSZNE+eSh2Iz0rquG/Dk4lImC2ZggxF5isWDJ8MWSG Bw0= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip02.wdc.com with ESMTP; 27 Jan 2021 23:16:19 -0800 From: Chaitanya Kulkarni To: linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, dm-devel@redhat.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, drbd-dev@tron.linbit.com, xen-devel@lists.xenproject.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-fscrypt@vger.kernel.org, jfs-discussion@lists.sourceforge.net, linux-nilfs@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-pm@vger.kernel.org, linux-mm@kvack.org Date: Wed, 27 Jan 2021 23:11:33 -0800 Message-Id: <20210128071133.60335-35-chaitanya.kulkarni@wdc.com> In-Reply-To: <20210128071133.60335-1-chaitanya.kulkarni@wdc.com> References: <20210128071133.60335-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-loop: dm-devel@redhat.com X-Mailman-Approved-At: Thu, 28 Jan 2021 03:38:55 -0500 Cc: shaggy@kernel.org, sergey.senozhatsky.work@gmail.com, snitzer@redhat.com, tiwai@suse.de, djwong@kernel.org, gustavoars@kernel.org, joseph.qi@linux.alibaba.com, pavel@ucw.cz, alex.shi@linux.alibaba.com, hch@lst.de, agk@redhat.com, naohiro.aota@wdc.com, sagi@grimberg.me, mark@fasheh.com, osandov@fb.com, ebiggers@kernel.org, ngupta@vflare.org, len.brown@intel.com, chaitanya.kulkarni@wdc.com, konrad.wilk@oracle.com, ming.lei@redhat.com, viro@zeniv.linux.org.uk, jefflexu@linux.alibaba.com, jaegeuk@kernel.org, konishi.ryusuke@gmail.com, bvanassche@acm.org, axboe@kernel.dk, damien.lemoal@wdc.com, tytso@mit.edu, akpm@linux-foundation.org, martin.petersen@oracle.com, rjw@rjwysocki.net, philipp.reisner@linbit.com, minchan@kernel.org, tj@kernel.org, lars.ellenberg@linbit.com, jth@kernel.org, asml.silence@gmail.com, jlbec@evilplan.org, roger.pau@citrix.com Subject: [dm-devel] [RFC PATCH 34/34] mm: add swap_bio_new common bio helper X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Signed-off-by: Chaitanya Kulkarni --- mm/page_io.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/mm/page_io.c b/mm/page_io.c index 7579485ccb5e..cc30c9a0b0a7 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -287,6 +287,17 @@ static void bio_associate_blkg_from_page(struct bio *bio, struct page *page) #define bio_associate_blkg_from_page(bio, page) do { } while (0) #endif /* CONFIG_MEMCG && CONFIG_BLK_CGROUP */ +static inline struct bio *swap_bio_new(struct block_device *dev, + unsigned op, unsigned opf, gfp_t gfp, struct page *p, + bio_end_io_t *end_io) +{ + struct bio *bio = bio_new(dev, swap_page_sector(p), op, opf, 1, gfp); + + bio->bi_end_io = end_io; + bio_add_page(bio, p, thp_size(p), 0); + return bio; +} + int __swap_writepage(struct page *page, struct writeback_control *wbc, bio_end_io_t end_write_func) { @@ -342,11 +353,9 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc, return 0; } - bio = bio_new(sis->bdev, swap_page_sector(page), REQ_OP_WRITE, - REQ_SWAP | wbc_to_write_flags(wbc), 1, GFP_NOIO); - bio->bi_end_io = end_write_func; - bio_add_page(bio, page, thp_size(page), 0); - + bio = swap_bio_new(sis->bdev, REQ_OP_WRITE, + REQ_SWAP | wbc_to_write_flags(wbc), GFP_KERNEL, + page, end_write_func); bio_associate_blkg_from_page(bio, page); count_swpout_vm_event(page); set_page_writeback(page); @@ -406,11 +415,8 @@ int swap_readpage(struct page *page, bool synchronous) } ret = 0; - bio = bio_new(sis->bdev, swap_page_sector(page), REQ_OP_READ, 0, 1, - GFP_KERNEL); - bio->bi_end_io = end_swap_bio_read; - bio_add_page(bio, page, thp_size(page), 0); - + bio = swap_bio_new(sis->bdev, REQ_OP_READ, 0, GFP_KERNEL, page, + end_swap_bio_read); disk = bio->bi_bdev->bd_disk; /* * Keep this task valid during swap readpage because the oom killer may