bcache: Bkey indexing renaming

More refactoring:

node() -> bset_bkey_idx()
end() -> bset_bkey_last()

Signed-off-by: Kent Overstreet <kmo@daterainc.com>

1 files changed, 22 insertions, 8 deletions

diff --git a/drivers/md/bcache/bset.h b/drivers/md/bcache/bset.h
index 303d31a3b9e6..88b6edbf508b 100644
--- a/drivers/md/bcache/bset.h
+++ b/drivers/md/bcache/bset.h
@@ -190,14 +190,6 @@ struct bset_tree {
 	struct bset	*data;
 };
 
-static __always_inline int64_t bkey_cmp(const struct bkey *l,
-					const struct bkey *r)
-{
-	return unlikely(KEY_INODE(l) != KEY_INODE(r))
-		? (int64_t) KEY_INODE(l) - (int64_t) KEY_INODE(r)
-		: (int64_t) KEY_OFFSET(l) - (int64_t) KEY_OFFSET(r);
-}
-
 /* Keylists */
 
 struct keylist {
@@ -261,6 +253,28 @@ struct bkey *bch_keylist_pop(struct keylist *);
 void bch_keylist_pop_front(struct keylist *);
 int __bch_keylist_realloc(struct keylist *, unsigned);
 
+/* Bkey utility code */
+
+#define bset_bkey_last(i)	bkey_idx((struct bkey *) (i)->d, (i)->keys)
+
+static inline struct bkey *bset_bkey_idx(struct bset *i, unsigned idx)
+{
+	return bkey_idx(i->start, idx);
+}
+
+static inline void bkey_init(struct bkey *k)
+{
+	*k = ZERO_KEY;
+}
+
+static __always_inline int64_t bkey_cmp(const struct bkey *l,
+					const struct bkey *r)
+{
+	return unlikely(KEY_INODE(l) != KEY_INODE(r))
+		? (int64_t) KEY_INODE(l) - (int64_t) KEY_INODE(r)
+		: (int64_t) KEY_OFFSET(l) - (int64_t) KEY_OFFSET(r);
+}
+
 void bch_bkey_copy_single_ptr(struct bkey *, const struct bkey *,
 			      unsigned);
 bool __bch_cut_front(const struct bkey *, struct bkey *);