bcache: Allocate bounce buffers with GFP_NOWAIT

There's no point in blocking on these allocations, since our fallback paths will
probably go faster than blocking.

Change-Id: I733ca202c25cb36bde02607a0a60552229a4241c

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index e538d45fa65a..39c7f5b73724 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -421,7 +421,7 @@ static void do_btree_node_write(struct btree *b)
         SET_PTR_OFFSET(&k.key, 0, PTR_OFFSET(&k.key, 0) +
                        bset_sector_offset(&b->keys, i));
 
-        if (!bio_alloc_pages(b->bio, GFP_NOIO)) {
+        if (!bio_alloc_pages(b->bio, __GFP_NOWARN|GFP_NOWAIT)) {
                 int j;
                 struct bio_vec *bv;
                 void *base = (void *) ((unsigned long) i & ~(PAGE_SIZE - 1));