diff options
| author | David S. Miller | 2014-07-16 14:09:34 -0700 |
|---|---|---|
| committer | David S. Miller | 2014-07-16 14:09:34 -0700 |
| commit | 1a98c69af1ecd97bfd1f4e4539924a9192434e36 (patch) | |
| tree | a243defcf921ea174f8e43fce11d06830a6a9c36 /block/bio.c | |
| parent | 7a575f6b907ea5d207d2b5010293c189616eae34 (diff) | |
| parent | b6603fe574af289dbe9eb9fb4c540bca04f5a053 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'block/bio.c')
| -rw-r--r-- | block/bio.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/block/bio.c b/block/bio.c index 8c2e55e39a1b..0ec61c9e536c 100644 --- a/block/bio.c +++ b/block/bio.c @@ -746,6 +746,14 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page goto done; } + + /* + * If the queue doesn't support SG gaps and adding this + * offset would create a gap, disallow it. + */ + if (q->queue_flags & (1 << QUEUE_FLAG_SG_GAPS) && + bvec_gap_to_prev(prev, offset)) + return 0; } if (bio->bi_vcnt >= bio->bi_max_vecs) |