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Open Source and information security mailing list archives
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Date: Fri, 15 Feb 2019 19:13:16 +0800 From: Ming Lei <ming.lei@...hat.com> To: Jens Axboe <axboe@...nel.dk> Cc: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org, Theodore Ts'o <tytso@....edu>, Omar Sandoval <osandov@...com>, Sagi Grimberg <sagi@...mberg.me>, Dave Chinner <dchinner@...hat.com>, Kent Overstreet <kent.overstreet@...il.com>, Mike Snitzer <snitzer@...hat.com>, dm-devel@...hat.com, Alexander Viro <viro@...iv.linux.org.uk>, linux-fsdevel@...r.kernel.org, linux-raid@...r.kernel.org, David Sterba <dsterba@...e.com>, linux-btrfs@...r.kernel.org, "Darrick J . Wong" <darrick.wong@...cle.com>, linux-xfs@...r.kernel.org, Gao Xiang <gaoxiang25@...wei.com>, Christoph Hellwig <hch@....de>, linux-ext4@...r.kernel.org, Coly Li <colyli@...e.de>, linux-bcache@...r.kernel.org, Boaz Harrosh <ooo@...ctrozaur.com>, Bob Peterson <rpeterso@...hat.com>, cluster-devel@...hat.com, Ming Lei <ming.lei@...hat.com> Subject: [PATCH V15 10/18] btrfs: use mp_bvec_last_segment to get bio's last page Preparing for supporting multi-page bvec. Reviewed-by: Omar Sandoval <osandov@...com> Signed-off-by: Ming Lei <ming.lei@...hat.com> --- fs/btrfs/extent_io.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index dc8ba3ee515d..986ef49b0269 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2697,11 +2697,12 @@ static int __must_check submit_one_bio(struct bio *bio, int mirror_num, { blk_status_t ret = 0; struct bio_vec *bvec = bio_last_bvec_all(bio); - struct page *page = bvec->bv_page; + struct bio_vec bv; struct extent_io_tree *tree = bio->bi_private; u64 start; - start = page_offset(page) + bvec->bv_offset; + mp_bvec_last_segment(bvec, &bv); + start = page_offset(bv.bv_page) + bv.bv_offset; bio->bi_private = NULL; -- 2.9.5
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