[PATCH v2 01/51] block: drbd: comment on direct access bvec table
STALE3382d
From: Ming Lei <hidden>
Date: 2017-06-26 12:09:44
Also in:
linux-fsdevel, linux-mm, lkml
Subsystem:
block layer, drbd driver, the rest · Maintainers:
Jens Axboe, Philipp Reisner, Lars Ellenberg, Christoph Böhmwalder, Linus Torvalds
Revision v2 of 7 in this series.
Revisions (7)
Signed-off-by: Ming Lei <redacted> --- drivers/block/drbd/drbd_bitmap.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 809fd245c3dc..70890d950dc9 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c@@ -953,6 +953,7 @@ static void drbd_bm_endio(struct bio *bio) struct drbd_bm_aio_ctx *ctx = bio->bi_private; struct drbd_device *device = ctx->device; struct drbd_bitmap *b = device->bitmap; + /* single page bio, safe for multipage bvec */ unsigned int idx = bm_page_to_idx(bio->bi_io_vec[0].bv_page); if ((ctx->flags & BM_AIO_COPY_PAGES) == 0 &&
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2.9.4