diff options
Diffstat (limited to 'drivers/md/bcache/btree.c')
| -rw-r--r-- | drivers/md/bcache/btree.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 11c5503d31dc..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); @@ -807,7 +808,10 @@ int bch_btree_cache_alloc(struct cache_set *c) c->shrink.scan_objects = bch_mca_scan; c->shrink.seeks = 4; c->shrink.batch = c->btree_pages * 2; - register_shrinker(&c->shrink); + + if (register_shrinker(&c->shrink)) + pr_warn("bcache: %s: could not register shrinker", + __func__); return 0; } @@ -1675,7 +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; @@ -1800,10 +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 */ |