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authorKent Overstreet <kent.overstreet@gmail.com>2014-12-22 14:48:42 +0300
committerJens Axboe <axboe@fb.com>2015-08-13 21:32:00 +0300
commit6cf66b4caf9c71f64a5486cadbd71ab58d0d4307 (patch)
tree2ef51364e875b99fa4ce42f9edc15147450034d1 /mm/page_io.c
parent8ae126660fddbeebb9251a174e6fa45b6ad8f932 (diff)
downloadlinux-6cf66b4caf9c71f64a5486cadbd71ab58d0d4307.tar.xz
fs: use helper bio_add_page() instead of open coding on bi_io_vec
Call pre-defined helper bio_add_page() instead of open coding for iterating through bi_io_vec[]. Doing that, it's possible to make some parts in filesystems and mm/page_io.c simpler than before. Acked-by: Dave Kleikamp <shaggy@kernel.org> Cc: Christoph Hellwig <hch@infradead.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: linux-fsdevel@vger.kernel.org Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> [dpark: add more description in commit message] Signed-off-by: Dongsu Park <dpark@posteo.net> Signed-off-by: Ming Lin <ming.l@ssi.samsung.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'mm/page_io.c')
-rw-r--r--mm/page_io.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/mm/page_io.c b/mm/page_io.c
index 338ce68942a0..b995a5ba5e8f 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -33,12 +33,10 @@ static struct bio *get_swap_bio(gfp_t gfp_flags,
if (bio) {
bio->bi_iter.bi_sector = map_swap_page(page, &bio->bi_bdev);
bio->bi_iter.bi_sector <<= PAGE_SHIFT - 9;
- bio->bi_io_vec[0].bv_page = page;
- bio->bi_io_vec[0].bv_len = PAGE_SIZE;
- bio->bi_io_vec[0].bv_offset = 0;
- bio->bi_vcnt = 1;
- bio->bi_iter.bi_size = PAGE_SIZE;
bio->bi_end_io = end_io;
+
+ bio_add_page(bio, page, PAGE_SIZE, 0);
+ BUG_ON(bio->bi_iter.bi_size != PAGE_SIZE);
}
return bio;
}