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-rw-r--r--drivers/md/bcache/super.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 2df75db52..70f0f3096 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -423,7 +423,7 @@ static int __uuid_write(struct cache_set *c)
closure_init_stack(&cl);
lockdep_assert_held(&bch_register_lock);
- if (bch_bucket_alloc_set(c, RESERVE_BTREE, &k.key, 1, true))
+ if (bch_bucket_alloc_set(c, RESERVE_BTREE, &k.key, true))
return 1;
SET_KEY_SIZE(&k.key, c->sb.bucket_size);
@@ -807,6 +807,8 @@ static int bcache_device_init(struct bcache_device *d, unsigned int block_size,
if (!d->stripe_size)
d->stripe_size = 1 << 31;
+ else if (d->stripe_size < BCH_MIN_STRIPE_SZ)
+ d->stripe_size = roundup(BCH_MIN_STRIPE_SZ, d->stripe_size);
d->nr_stripes = DIV_ROUND_UP_ULL(sectors, d->stripe_size);
@@ -1576,7 +1578,7 @@ static void cache_set_flush(struct closure *cl)
if (!IS_ERR_OR_NULL(c->gc_thread))
kthread_stop(c->gc_thread);
- if (!IS_ERR_OR_NULL(c->root))
+ if (!IS_ERR(c->root))
list_add(&c->root->list, &c->btree_cache);
/* Should skip this if we're unregistering because of an error */
@@ -1844,7 +1846,7 @@ static int run_cache_set(struct cache_set *c)
c->root = bch_btree_node_get(c, NULL, k,
j->btree_level,
true, NULL);
- if (IS_ERR_OR_NULL(c->root))
+ if (IS_ERR(c->root))
goto err;
list_del_init(&c->root->list);
@@ -1921,7 +1923,7 @@ static int run_cache_set(struct cache_set *c)
err = "cannot allocate new btree root";
c->root = __bch_btree_node_alloc(c, NULL, 0, true, NULL);
- if (IS_ERR_OR_NULL(c->root))
+ if (IS_ERR(c->root))
goto err;
mutex_lock(&c->root->write_lock);