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path: root/drivers/md/bcache/btree.c
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Diffstat (limited to 'drivers/md/bcache/btree.c')
-rw-r--r--drivers/md/bcache/btree.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 81e8dc3dbe5e..bf3a48aa9a9a 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -419,7 +419,7 @@ 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_NOWARN|GFP_NOWAIT)) {
+ if (!bch_bio_alloc_pages(b->bio, __GFP_NOWARN|GFP_NOWAIT)) {
int j;
struct bio_vec *bv;
void *base = (void *) ((unsigned long) i & ~(PAGE_SIZE - 1));
@@ -432,6 +432,7 @@ static void do_btree_node_write(struct btree *b)
continue_at(cl, btree_node_write_done, NULL);
} else {
+ /* No problem for multipage bvec since the bio is just allocated */
b->bio->bi_vcnt = 0;
bch_bio_map(b->bio, i);
@@ -1678,7 +1679,7 @@ static void bch_btree_gc_finish(struct cache_set *c)
/* don't reclaim buckets to which writeback keys point */
rcu_read_lock();
- for (i = 0; i < c->nr_uuids; i++) {
+ for (i = 0; i < c->devices_max_used; i++) {
struct bcache_device *d = c->devices[i];
struct cached_dev *dc;
struct keybuf_key *w, *n;
@@ -1803,10 +1804,7 @@ static int bch_gc_thread(void *arg)
int bch_gc_thread_start(struct cache_set *c)
{
c->gc_thread = kthread_run(bch_gc_thread, c, "bcache_gc");
- if (IS_ERR(c->gc_thread))
- return PTR_ERR(c->gc_thread);
-
- return 0;
+ return PTR_ERR_OR_ZERO(c->gc_thread);
}
/* Initial partial gc */