bcache: Sparse fixes

Signed-off-by: Kent Overstreet <koverstreet@google.com>

drivers/md/bcache/btree.c

@@ -130,7 +130,7 @@ static uint64_t btree_csum_set(struct btree *b, struct bset *i)
 	void *data = (void *) i + 8, *end = end(i);
 
 	crc = bch_crc64_update(crc, data, end - data);
-	return crc ^ 0xffffffffffffffff;
+	return crc ^ 0xffffffffffffffffULL;
 }
 
 static void btree_bio_endio(struct bio *bio, int error)

drivers/md/bcache/debug.c

@@ -82,7 +82,7 @@ struct keyprint_hack bch_pbtree(const struct btree *b)
 {
 	struct keyprint_hack r;
 
-	snprintf(r.s, 40, "%li level %i/%i", PTR_BUCKET_NR(b->c, &b->key, 0),
+	snprintf(r.s, 40, "%zu level %i/%i", PTR_BUCKET_NR(b->c, &b->key, 0),
 		 b->level, b->c->root ? b->c->root->level : -1);
 	return r;
 }

drivers/md/bcache/journal.c

@@ -563,6 +563,7 @@ static void journal_write_done(struct closure *cl)
 }
 
 static void journal_write_unlocked(struct closure *cl)
+	__releases(c->journal.lock)
 {
 	struct cache_set *c = container_of(cl, struct cache_set, journal.io.cl);
 	struct cache *ca;
@@ -652,6 +653,7 @@ static void journal_write(struct closure *cl)
 }
 
 static void __journal_try_write(struct cache_set *c, bool noflush)
+	__releases(c->journal.lock)
 {
 	struct closure *cl = &c->journal.io.cl;