This is now __must_check, so this kills a warning. Caller of
bch_btree_cache_alloc in super.c appropriately checks return value
so this is fully plumbed through.
Signed-off-by: Michael Lyle <mlyle@xxxxxxxx>
---
drivers/md/bcache/btree.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 11c5503d31dc..0c2b77e0194b 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -807,7 +807,10 @@ 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: bch_btree_cache_alloc: could not register shrinker");
+ }
return 0;
}
--
2.14.1
--
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