diff mbox series

[5/7] aoe: handle highmem pages

Message ID 20180509135948.20329-6-hch@lst.de (mailing list archive)
State Not Applicable
Headers show
Series [1/7] mtip32xx: don't use block layer bounce buffers | expand

Commit Message

Christoph Hellwig May 9, 2018, 1:59 p.m. UTC 
Use kmap_atomic when copying out of a bio_vec.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/aoe/aoeblk.c | 1 -
 drivers/block/aoe/aoecmd.c | 3 ++-
 2 files changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index 6797e6c23c8a..027b876370bc 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -388,7 +388,6 @@  aoeblk_gdalloc(void *vp)
 			d->aoemajor, d->aoeminor);
 		goto err_mempool;
 	}
-	blk_queue_bounce_limit(q, BLK_BOUNCE_HIGH);
 
 	spin_lock_irqsave(&d->lock, flags);
 	WARN_ON(!(d->flags & DEVFL_GD_NOW));
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 540bb60cd071..096882e54095 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -1032,8 +1032,9 @@  bvcpy(struct sk_buff *skb, struct bio *bio, struct bvec_iter iter, long cnt)
 	iter.bi_size = cnt;
 
 	__bio_for_each_segment(bv, bio, iter, iter) {
-		char *p = page_address(bv.bv_page) + bv.bv_offset;
+		char *p = kmap_atomic(bv.bv_page) + bv.bv_offset;
 		skb_copy_bits(skb, soff, p, bv.bv_len);
+		kunmap_atomic(p);
 		soff += bv.bv_len;
 	}
 }