Merge tag 'drm-vc4-fixes-2016-09-14' of https://github.com/anholt/linux into drm...

[linux-2.6-block.git] / drivers / md / bcache / super.c

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 6ada14b9a1579de25e353f491a7edaa3ea82de65..849ad441cd76ba6b04ba2fa2aaac51471acdfd67 100644 (file)
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -760,7 +760,8 @@ static int bcache_device_init(struct bcache_device *d, unsigned block_size,
        if (!d->nr_stripes ||
            d->nr_stripes > INT_MAX ||
            d->nr_stripes > SIZE_MAX / sizeof(atomic_t)) {
-               pr_err("nr_stripes too large");
+               pr_err("nr_stripes too large or invalid: %u (start sector beyond end of disk?)",
+                       (unsigned)d->nr_stripes);
                return -ENOMEM;
        }
 
@@ -1820,7 +1821,7 @@ static int cache_alloc(struct cache *ca)
        free = roundup_pow_of_two(ca->sb.nbuckets) >> 10;
 
        if (!init_fifo(&ca->free[RESERVE_BTREE], 8, GFP_KERNEL) ||
-           !init_fifo(&ca->free[RESERVE_PRIO], prio_buckets(ca), GFP_KERNEL) ||
+           !init_fifo_exact(&ca->free[RESERVE_PRIO], prio_buckets(ca), GFP_KERNEL) ||
            !init_fifo(&ca->free[RESERVE_MOVINGGC], free, GFP_KERNEL) ||
            !init_fifo(&ca->free[RESERVE_NONE], free, GFP_KERNEL) ||
            !init_fifo(&ca->free_inc,   free << 2, GFP_KERNEL) ||