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aoe: handle highmem pages 

Use kmap_atomic when copying out of a bio_vec.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
hifive-unleashed-5.1
Christoph Hellwig 2018-05-09 15:59:46 +02:00 committed by Jens Axboe
parent 34ab96e6c5
commit ad180f6f71
2 changed files with 2 additions and 2 deletions
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1
drivers/block/aoe/aoeblk.c
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@ -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));

3
drivers/block/aoe/aoecmd.c
View File

@ -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;
}
}