From ad180f6f718527ab0d6d82b905486b219cdd2263 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 9 May 2018 15:59:46 +0200 Subject: aoe: handle highmem pages Use kmap_atomic when copying out of a bio_vec. Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe --- drivers/block/aoe/aoeblk.c | 1 - drivers/block/aoe/aoecmd.c | 3 ++- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/block') 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; } } -- cgit v1.2.3