From fb0eb5df09307603b21845af1d143cc910154593 Mon Sep 17 00:00:00 2001 From: Ming Lei Date: Fri, 14 Jul 2017 16:14:43 +0800 Subject: md: raid1/raid10: initialize bvec table via bio_add_page() We will support multipage bvec soon, so initialize bvec table using the standardy way instead of writing the talbe directly. Otherwise it won't work any more once multipage bvec is enabled. Acked-by: Guoqing Jiang Signed-off-by: Ming Lei Signed-off-by: Shaohua Li --- drivers/md/raid1-10.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 drivers/md/raid1-10.c (limited to 'drivers/md/raid1-10.c') diff --git a/drivers/md/raid1-10.c b/drivers/md/raid1-10.c new file mode 100644 index 000000000000..3adb5b9dc4b4 --- /dev/null +++ b/drivers/md/raid1-10.c @@ -0,0 +1,19 @@ +/* generally called after bio_reset() for reseting bvec */ +static void md_bio_reset_resync_pages(struct bio *bio, struct resync_pages *rp, + int size) +{ + int idx = 0; + + /* initialize bvec table again */ + do { + struct page *page = resync_fetch_page(rp, idx); + int len = min_t(int, size, PAGE_SIZE); + + /* + * won't fail because the vec table is big + * enough to hold all these pages + */ + bio_add_page(bio, page, len, 0); + size -= len; + } while (idx++ < RESYNC_PAGES && size > 0); +} -- cgit v1.2.3