Messages in this thread Patch in this message |  | | From | Ming Lei <> | Subject | [PATCH v1 04/54] mm: page_io.c: comment on direct access to bvec table | Date | Tue, 27 Dec 2016 23:55:53 +0800 |
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Signed-off-by: Ming Lei <tom.leiming@gmail.com> --- mm/page_io.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/mm/page_io.c b/mm/page_io.c index 23f6d0d3470f..368a16aa810c 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -43,6 +43,7 @@ static struct bio *get_swap_bio(gfp_t gfp_flags, void end_swap_bio_write(struct bio *bio) { + /* single page bio, safe for multipage bvec */ struct page *page = bio->bi_io_vec[0].bv_page; if (bio->bi_error) { @@ -116,6 +117,7 @@ static void swap_slot_free_notify(struct page *page) static void end_swap_bio_read(struct bio *bio) { + /* single page bio, safe for multipage bvec */ struct page *page = bio->bi_io_vec[0].bv_page; if (bio->bi_error) { -- 2.7.4
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