1 files changed, 34 insertions, 77 deletions

diff --git a/fs/xfs/scrub/bitmap.h b/fs/xfs/scrub/bitmap.h
index 4fe58bad67..2df8911606 100644
--- a/fs/xfs/scrub/bitmap.h
+++ b/fs/xfs/scrub/bitmap.h
@@ -6,17 +6,19 @@
 #ifndef __XFS_SCRUB_BITMAP_H__
 #define __XFS_SCRUB_BITMAP_H__
 
-struct xbitmap {
+/* u64 bitmap */
+
+struct xbitmap64 {
 	struct rb_root_cached	xb_root;
 };
 
-void xbitmap_init(struct xbitmap *bitmap);
-void xbitmap_destroy(struct xbitmap *bitmap);
+void xbitmap64_init(struct xbitmap64 *bitmap);
+void xbitmap64_destroy(struct xbitmap64 *bitmap);
 
-int xbitmap_clear(struct xbitmap *bitmap, uint64_t start, uint64_t len);
-int xbitmap_set(struct xbitmap *bitmap, uint64_t start, uint64_t len);
-int xbitmap_disunion(struct xbitmap *bitmap, struct xbitmap *sub);
-uint64_t xbitmap_hweight(struct xbitmap *bitmap);
+int xbitmap64_clear(struct xbitmap64 *bitmap, uint64_t start, uint64_t len);
+int xbitmap64_set(struct xbitmap64 *bitmap, uint64_t start, uint64_t len);
+int xbitmap64_disunion(struct xbitmap64 *bitmap, struct xbitmap64 *sub);
+uint64_t xbitmap64_hweight(struct xbitmap64 *bitmap);
 
 /*
  * Return codes for the bitmap iterator functions are 0 to continue iterating,
@@ -25,84 +27,39 @@ uint64_t xbitmap_hweight(struct xbitmap *bitmap);
  * iteration, because neither bitmap iterator ever generates that error code on
  * its own.  Callers must not modify the bitmap while walking it.
  */
-typedef int (*xbitmap_walk_fn)(uint64_t start, uint64_t len, void *priv);
-int xbitmap_walk(struct xbitmap *bitmap, xbitmap_walk_fn fn,
+typedef int (*xbitmap64_walk_fn)(uint64_t start, uint64_t len, void *priv);
+int xbitmap64_walk(struct xbitmap64 *bitmap, xbitmap64_walk_fn fn,
 		void *priv);
 
-bool xbitmap_empty(struct xbitmap *bitmap);
-bool xbitmap_test(struct xbitmap *bitmap, uint64_t start, uint64_t *len);
+bool xbitmap64_empty(struct xbitmap64 *bitmap);
+bool xbitmap64_test(struct xbitmap64 *bitmap, uint64_t start, uint64_t *len);
 
-/* Bitmaps, but for type-checked for xfs_agblock_t */
+/* u32 bitmap */
 
-struct xagb_bitmap {
-	struct xbitmap	agbitmap;
+struct xbitmap32 {
+	struct rb_root_cached	xb_root;
 };
 
-static inline void xagb_bitmap_init(struct xagb_bitmap *bitmap)
-{
-	xbitmap_init(&bitmap->agbitmap);
-}
-
-static inline void xagb_bitmap_destroy(struct xagb_bitmap *bitmap)
-{
-	xbitmap_destroy(&bitmap->agbitmap);
-}
-
-static inline int xagb_bitmap_clear(struct xagb_bitmap *bitmap,
-		xfs_agblock_t start, xfs_extlen_t len)
-{
-	return xbitmap_clear(&bitmap->agbitmap, start, len);
-}
-static inline int xagb_bitmap_set(struct xagb_bitmap *bitmap,
-		xfs_agblock_t start, xfs_extlen_t len)
-{
-	return xbitmap_set(&bitmap->agbitmap, start, len);
-}
-
-static inline bool
-xagb_bitmap_test(
-	struct xagb_bitmap	*bitmap,
-	xfs_agblock_t		start,
-	xfs_extlen_t		*len)
-{
-	uint64_t		biglen = *len;
-	bool			ret;
-
-	ret = xbitmap_test(&bitmap->agbitmap, start, &biglen);
-
-	if (start + biglen >= UINT_MAX) {
-		ASSERT(0);
-		biglen = UINT_MAX - start;
-	}
-
-	*len = biglen;
-	return ret;
-}
-
-static inline int xagb_bitmap_disunion(struct xagb_bitmap *bitmap,
-		struct xagb_bitmap *sub)
-{
-	return xbitmap_disunion(&bitmap->agbitmap, &sub->agbitmap);
-}
+void xbitmap32_init(struct xbitmap32 *bitmap);
+void xbitmap32_destroy(struct xbitmap32 *bitmap);
 
-static inline uint32_t xagb_bitmap_hweight(struct xagb_bitmap *bitmap)
-{
-	return xbitmap_hweight(&bitmap->agbitmap);
-}
-static inline bool xagb_bitmap_empty(struct xagb_bitmap *bitmap)
-{
-	return xbitmap_empty(&bitmap->agbitmap);
-}
+int xbitmap32_clear(struct xbitmap32 *bitmap, uint32_t start, uint32_t len);
+int xbitmap32_set(struct xbitmap32 *bitmap, uint32_t start, uint32_t len);
+int xbitmap32_disunion(struct xbitmap32 *bitmap, struct xbitmap32 *sub);
+uint32_t xbitmap32_hweight(struct xbitmap32 *bitmap);
 
-static inline int xagb_bitmap_walk(struct xagb_bitmap *bitmap,
-		xbitmap_walk_fn fn, void *priv)
-{
-	return xbitmap_walk(&bitmap->agbitmap, fn, priv);
-}
+/*
+ * Return codes for the bitmap iterator functions are 0 to continue iterating,
+ * and non-zero to stop iterating.  Any non-zero value will be passed up to the
+ * iteration caller.  The special value -ECANCELED can be used to stop
+ * iteration, because neither bitmap iterator ever generates that error code on
+ * its own.  Callers must not modify the bitmap while walking it.
+ */
+typedef int (*xbitmap32_walk_fn)(uint32_t start, uint32_t len, void *priv);
+int xbitmap32_walk(struct xbitmap32 *bitmap, xbitmap32_walk_fn fn,
+		void *priv);
 
-int xagb_bitmap_set_btblocks(struct xagb_bitmap *bitmap,
-		struct xfs_btree_cur *cur);
-int xagb_bitmap_set_btcur_path(struct xagb_bitmap *bitmap,
-		struct xfs_btree_cur *cur);
+bool xbitmap32_empty(struct xbitmap32 *bitmap);
+bool xbitmap32_test(struct xbitmap32 *bitmap, uint32_t start, uint32_t *len);
 
 #endif	/* __XFS_SCRUB_BITMAP_H__ */