X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lib%2Fext2fs%2Fbitops.h;h=505b3c9c396b937118d52537572efdd5d58d8342;hb=0e660ee14592d2e893522f2ccc836c011ca4f383;hp=a3ea2e71f8d304890e913ffe6f28f46678dc5bbf;hpb=5953b9de9ce59661640f851b217421d734bb0302;p=tools%2Fe2fsprogs.git

diff --git a/lib/ext2fs/bitops.h b/lib/ext2fs/bitops.h
index a3ea2e7..505b3c9 100644
--- a/lib/ext2fs/bitops.h
+++ b/lib/ext2fs/bitops.h
@@ -1,24 +1,44 @@
 /*
  * bitops.h --- Bitmap frobbing code.  The byte swapping routines are
  * 	also included here.
- * 
+ *
  * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
  *
  * %Begin-Header%
- * This file may be redistributed under the terms of the GNU Public
- * License.
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
  * %End-Header%
- * 
- * i386 bitops operations taken from <asm/bitops.h>, Copyright 1992,
- * Linus Torvalds.
  */
 
-
-extern int ext2fs_set_bit(int nr,void * addr);
-extern int ext2fs_clear_bit(int nr, void * addr);
-extern int ext2fs_test_bit(int nr, const void * addr);
-extern __u16 ext2fs_swab16(__u16 val);
-extern __u32 ext2fs_swab32(__u32 val);
+#ifdef WORDS_BIGENDIAN
+#define ext2fs_cpu_to_le64(x) ((__force __le64)ext2fs_swab64((__u64)(x)))
+#define ext2fs_le64_to_cpu(x) ext2fs_swab64((__force __u64)(__le64)(x))
+#define ext2fs_cpu_to_le32(x) ((__force __le32)ext2fs_swab32((__u32)(x)))
+#define ext2fs_le32_to_cpu(x) ext2fs_swab32((__force __u32)(__le32)(x))
+#define ext2fs_cpu_to_le16(x) ((__force __le16)ext2fs_swab16((__u16)(x)))
+#define ext2fs_le16_to_cpu(x) ext2fs_swab16((__force __u16)(__le16)(x))
+
+#define ext2fs_cpu_to_be64(x) ((__force __be64)(__u64)(x))
+#define ext2fs_be64_to_cpu(x) ((__force __u64)(__be64)(x))
+#define ext2fs_cpu_to_be32(x) ((__force __be32)(__u32)(x))
+#define ext2fs_be32_to_cpu(x) ((__force __u32)(__be32)(x))
+#define ext2fs_cpu_to_be16(x) ((__force __be16)(__u16)(x))
+#define ext2fs_be16_to_cpu(x) ((__force __u16)(__be16)(x))
+#else
+#define ext2fs_cpu_to_le64(x) ((__force __le64)(__u64)(x))
+#define ext2fs_le64_to_cpu(x) ((__force __u64)(__le64)(x))
+#define ext2fs_cpu_to_le32(x) ((__force __le32)(__u32)(x))
+#define ext2fs_le32_to_cpu(x) ((__force __u32)(__le32)(x))
+#define ext2fs_cpu_to_le16(x) ((__force __le16)(__u16)(x))
+#define ext2fs_le16_to_cpu(x) ((__force __u16)(__le16)(x))
+
+#define ext2fs_cpu_to_be64(x) ((__force __be64)ext2fs_swab64((__u64)(x)))
+#define ext2fs_be64_to_cpu(x) ext2fs_swab64((__force __u64)(__be64)(x))
+#define ext2fs_cpu_to_be32(x) ((__force __be32)ext2fs_swab32((__u32)(x)))
+#define ext2fs_be32_to_cpu(x) ext2fs_swab32((__force __u32)(__be32)(x))
+#define ext2fs_cpu_to_be16(x) ((__force __be16)ext2fs_swab16((__u16)(x)))
+#define ext2fs_be16_to_cpu(x) ext2fs_swab16((__force __u16)(__be16)(x))
+#endif
 
 /*
  * EXT2FS bitmap manipulation routines.
@@ -35,15 +55,24 @@ extern void ext2fs_warn_bitmap(errcode_t errcode, unsigned long arg,
 extern void ext2fs_warn_bitmap2(ext2fs_generic_bitmap bitmap,
 				int code, unsigned long arg);
 
-extern void ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block);
-extern void ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
+#ifdef NO_INLINE_FUNCS
+extern void ext2fs_fast_set_bit(unsigned int nr,void * addr);
+extern void ext2fs_fast_clear_bit(unsigned int nr, void * addr);
+extern void ext2fs_fast_set_bit64(__u64 nr,void * addr);
+extern void ext2fs_fast_clear_bit64(__u64 nr, void * addr);
+extern __u16 ext2fs_swab16(__u16 val);
+extern __u32 ext2fs_swab32(__u32 val);
+extern __u64 ext2fs_swab64(__u64 val);
+
+extern int ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block);
+extern int ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
 				       blk_t block);
 extern int ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block);
 
-extern void ext2fs_mark_inode_bitmap(ext2fs_inode_bitmap bitmap, ino_t inode);
-extern void ext2fs_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
-				       ino_t inode);
-extern int ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap, ino_t inode);
+extern int ext2fs_mark_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode);
+extern int ext2fs_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
+				       ext2_ino_t inode);
+extern int ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode);
 
 extern void ext2fs_fast_mark_block_bitmap(ext2fs_block_bitmap bitmap,
 					  blk_t block);
@@ -53,41 +82,146 @@ extern int ext2fs_fast_test_block_bitmap(ext2fs_block_bitmap bitmap,
 					 blk_t block);
 
 extern void ext2fs_fast_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,
-					  ino_t inode);
+					  ext2_ino_t inode);
 extern void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
-					    ino_t inode);
+					    ext2_ino_t inode);
 extern int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
-					 ino_t inode);
+					 ext2_ino_t inode);
 extern blk_t ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap);
-extern ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap);
+extern ext2_ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap);
 extern blk_t ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap);
-extern ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap);
+extern ext2_ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap);
 
-extern void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
-					   blk_t block, int num);
-extern void ext2fs_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
-					     blk_t block, int num);
-extern int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
-					  blk_t block, int num);
 extern void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
 						blk_t block, int num);
 extern void ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
 						  blk_t block, int num);
 extern int ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
 					       blk_t block, int num);
+#endif
+
+/* These functions routines moved to gen_bitmap.c */
+extern void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
+					   blk_t block, int num);
+extern void ext2fs_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
+					     blk_t block, int num);
+extern int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
+					  blk_t block, int num);
+extern int ext2fs_test_inode_bitmap_range(ext2fs_inode_bitmap bitmap,
+					  ext2_ino_t inode, int num);
+extern int ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap,
+					 __u32 bitno);
+extern int ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap,
+					   blk_t bitno);
+extern int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap,
+				      blk_t bitno);
+extern int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
+					  blk_t block, int num);
 extern void ext2fs_set_bitmap_padding(ext2fs_generic_bitmap map);
+extern __u32 ext2fs_get_generic_bitmap_start(ext2fs_generic_bitmap bitmap);
+extern __u32 ext2fs_get_generic_bitmap_end(ext2fs_generic_bitmap bitmap);
+
+/* 64-bit versions */
+
+#ifdef NO_INLINE_FUNCS
+extern int ext2fs_mark_block_bitmap2(ext2fs_block_bitmap bitmap,
+				     blk64_t block);
+extern int ext2fs_unmark_block_bitmap2(ext2fs_block_bitmap bitmap,
+				       blk64_t block);
+extern int ext2fs_test_block_bitmap2(ext2fs_block_bitmap bitmap,
+				     blk64_t block);
+
+extern int ext2fs_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+				     ext2_ino_t inode);
+extern int ext2fs_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+				       ext2_ino_t inode);
+extern int ext2fs_test_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+				     ext2_ino_t inode);
+
+extern void ext2fs_fast_mark_block_bitmap2(ext2fs_block_bitmap bitmap,
+					   blk64_t block);
+extern void ext2fs_fast_unmark_block_bitmap2(ext2fs_block_bitmap bitmap,
+					     blk64_t block);
+extern int ext2fs_fast_test_block_bitmap2(ext2fs_block_bitmap bitmap,
+					  blk64_t block);
+
+extern void ext2fs_fast_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+					   ext2_ino_t inode);
+extern void ext2fs_fast_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+					    ext2_ino_t inode);
+extern int ext2fs_fast_test_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+					  ext2_ino_t inode);
+extern errcode_t ext2fs_find_first_zero_block_bitmap2(ext2fs_block_bitmap bitmap,
+						      blk64_t start,
+						      blk64_t end,
+						      blk64_t *out);
+extern errcode_t ext2fs_find_first_zero_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+						      ext2_ino_t start,
+						      ext2_ino_t end,
+						      ext2_ino_t *out);
+extern errcode_t ext2fs_find_first_set_block_bitmap2(ext2fs_block_bitmap bitmap,
+						     blk64_t start,
+						     blk64_t end,
+						     blk64_t *out);
+extern errcode_t ext2fs_find_first_set_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+						      ext2_ino_t start,
+						      ext2_ino_t end,
+						      ext2_ino_t *out);
+extern blk64_t ext2fs_get_block_bitmap_start2(ext2fs_block_bitmap bitmap);
+extern ext2_ino_t ext2fs_get_inode_bitmap_start2(ext2fs_inode_bitmap bitmap);
+extern blk64_t ext2fs_get_block_bitmap_end2(ext2fs_block_bitmap bitmap);
+extern ext2_ino_t ext2fs_get_inode_bitmap_end2(ext2fs_inode_bitmap bitmap);
+
+extern int ext2fs_fast_test_block_bitmap_range2(ext2fs_block_bitmap bitmap,
+						blk64_t block,
+						unsigned int num);
+extern void ext2fs_fast_mark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
+						 blk64_t block,
+						 unsigned int num);
+extern void ext2fs_fast_unmark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
+						   blk64_t block,
+						   unsigned int num);
+#endif
+
+/* These routines moved to gen_bitmap64.c */
+extern void ext2fs_clear_generic_bmap(ext2fs_generic_bitmap bitmap);
+extern errcode_t ext2fs_compare_generic_bmap(errcode_t neq,
+					     ext2fs_generic_bitmap bm1,
+					     ext2fs_generic_bitmap bm2);
+extern void ext2fs_set_generic_bmap_padding(ext2fs_generic_bitmap bmap);
+extern int ext2fs_mark_generic_bmap(ext2fs_generic_bitmap bitmap,
+				    blk64_t bitno);
+extern int ext2fs_unmark_generic_bmap(ext2fs_generic_bitmap bitmap,
+				      blk64_t bitno);
+extern int ext2fs_test_generic_bmap(ext2fs_generic_bitmap bitmap,
+				    blk64_t bitno);
+extern int ext2fs_test_block_bitmap_range2(ext2fs_block_bitmap bitmap,
+					   blk64_t block, unsigned int num);
+extern __u64 ext2fs_get_generic_bmap_start(ext2fs_generic_bitmap bitmap);
+extern __u64 ext2fs_get_generic_bmap_end(ext2fs_generic_bitmap bitmap);
+extern int ext2fs_test_block_bitmap_range2(ext2fs_block_bitmap bitmap,
+					   blk64_t block, unsigned int num);
+extern void ext2fs_mark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
+					    blk64_t block, unsigned int num);
+extern void ext2fs_unmark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
+					      blk64_t block, unsigned int num);
+extern errcode_t ext2fs_find_first_zero_generic_bmap(ext2fs_generic_bitmap bitmap,
+						     __u64 start, __u64 end,
+						     __u64 *out);
+extern errcode_t ext2fs_find_first_set_generic_bmap(ext2fs_generic_bitmap bitmap,
+						    __u64 start, __u64 end,
+						    __u64 *out);
 
 /*
  * The inline routines themselves...
- * 
+ *
  * If NO_INLINE_FUNCS is defined, then we won't try to do inline
  * functions at all; they will be included as normal functions in
  * inline.c
  */
 #ifdef NO_INLINE_FUNCS
 #if (defined(__GNUC__) && (defined(__i386__) || defined(__i486__) || \
-			   defined(__i586__) || defined(__mc68000__) || \
-			   defined(__sparc__)))
+			   defined(__i586__)))
 	/* This prevents bitops.c from trying to include the C */
 	/* function version of these functions */
 #define _EXT2_HAVE_ASM_BITOPS_
@@ -96,16 +230,68 @@ extern void ext2fs_set_bitmap_padding(ext2fs_generic_bitmap map);
 
 #if (defined(INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS))
 #ifdef INCLUDE_INLINE_FUNCS
-#define _INLINE_ extern
+#if (__STDC_VERSION__ >= 199901L)
+#define _INLINE_ extern inline
 #else
-#define _INLINE_ extern __inline__
+#define _INLINE_ inline
 #endif
+#else /* !INCLUDE_INLINE FUNCS */
+#if (__STDC_VERSION__ >= 199901L)
+#define _INLINE_ inline
+#else /* not C99 */
+#ifdef __GNUC__
+#define _INLINE_ extern __inline__
+#else				/* For Watcom C */
+#define _INLINE_ extern inline
+#endif /* __GNUC__ */
+#endif /* __STDC_VERSION__ >= 199901L */
+#endif /* INCLUDE_INLINE_FUNCS */
 
-#if ((defined __GNUC__) && (defined(__i386__) || defined(__i486__) || \
-			    defined(__i586__)))
+/*
+ * Fast bit set/clear functions that doesn't need to return the
+ * previous bit value.
+ */
+
+_INLINE_ void ext2fs_fast_set_bit(unsigned int nr,void * addr)
+{
+	unsigned char	*ADDR = (unsigned char *) addr;
+
+	ADDR += nr >> 3;
+	*ADDR |= (unsigned char) (1 << (nr & 0x07));
+}
+
+_INLINE_ void ext2fs_fast_clear_bit(unsigned int nr, void * addr)
+{
+	unsigned char	*ADDR = (unsigned char *) addr;
+
+	ADDR += nr >> 3;
+	*ADDR &= (unsigned char) ~(1 << (nr & 0x07));
+}
+
+
+_INLINE_ void ext2fs_fast_set_bit64(__u64 nr, void * addr)
+{
+	unsigned char	*ADDR = (unsigned char *) addr;
+
+	ADDR += nr >> 3;
+	*ADDR |= (unsigned char) (1 << (nr & 0x07));
+}
+
+_INLINE_ void ext2fs_fast_clear_bit64(__u64 nr, void * addr)
+{
+	unsigned char	*ADDR = (unsigned char *) addr;
+
+	ADDR += nr >> 3;
+	*ADDR &= (unsigned char) ~(1 << (nr & 0x07));
+}
+
+
+#if ((defined __GNUC__) && !defined(_EXT2_USE_C_VERSIONS_) && \
+     (defined(__i386__) || defined(__i486__) || defined(__i586__)))
 
 #define _EXT2_HAVE_ASM_BITOPS_
-	
+#define _EXT2_HAVE_ASM_SWAB_
+
 /*
  * These are done by inline assembly for speed reasons.....
  *
@@ -119,481 +305,399 @@ extern void ext2fs_set_bitmap_padding(ext2fs_generic_bitmap map);
  */
 struct __dummy_h { unsigned long a[100]; };
 #define EXT2FS_ADDR (*(struct __dummy_h *) addr)
-#define EXT2FS_CONST_ADDR (*(const struct __dummy_h *) addr)	
+#define EXT2FS_CONST_ADDR (*(const struct __dummy_h *) addr)
 
-_INLINE_ int ext2fs_set_bit(int nr, void * addr)
+_INLINE_ int ext2fs_set_bit(unsigned int nr, void * addr)
 {
 	int oldbit;
 
+	addr = (void *) (((unsigned char *) addr) + (nr >> 3));
 	__asm__ __volatile__("btsl %2,%1\n\tsbbl %0,%0"
-		:"=r" (oldbit),"=m" (EXT2FS_ADDR)
-		:"r" (nr));
+		:"=r" (oldbit),"+m" (EXT2FS_ADDR)
+		:"r" (nr & 7));
 	return oldbit;
 }
 
-_INLINE_ int ext2fs_clear_bit(int nr, void * addr)
+_INLINE_ int ext2fs_clear_bit(unsigned int nr, void * addr)
 {
 	int oldbit;
 
+	addr = (void *) (((unsigned char *) addr) + (nr >> 3));
 	__asm__ __volatile__("btrl %2,%1\n\tsbbl %0,%0"
-		:"=r" (oldbit),"=m" (EXT2FS_ADDR)
-		:"r" (nr));
+		:"=r" (oldbit),"+m" (EXT2FS_ADDR)
+		:"r" (nr & 7));
 	return oldbit;
 }
 
-_INLINE_ int ext2fs_test_bit(int nr, const void * addr)
+_INLINE_ int ext2fs_test_bit(unsigned int nr, const void * addr)
 {
 	int oldbit;
 
+	addr = (const void *) (((const unsigned char *) addr) + (nr >> 3));
 	__asm__ __volatile__("btl %2,%1\n\tsbbl %0,%0"
 		:"=r" (oldbit)
-		:"m" (EXT2FS_CONST_ADDR),"r" (nr));
+		:"m" (EXT2FS_CONST_ADDR),"r" (nr & 7));
 	return oldbit;
 }
 
+_INLINE_ __u32 ext2fs_swab32(__u32 val)
+{
+#ifdef EXT2FS_REQUIRE_486
+	__asm__("bswap %0" : "=r" (val) : "0" (val));
+#else
+	__asm__("xchgb %b0,%h0\n\t"	/* swap lower bytes	*/
+		"rorl $16,%0\n\t"	/* swap words		*/
+		"xchgb %b0,%h0"		/* swap higher bytes	*/
+		:"=q" (val)
+		: "0" (val));
+#endif
+	return val;
+}
+
+_INLINE_ __u16 ext2fs_swab16(__u16 val)
+{
+	__asm__("xchgb %b0,%h0"		/* swap bytes		*/ \
+		: "=q" (val) \
+		:  "0" (val)); \
+		return val;
+}
+
 #undef EXT2FS_ADDR
 
 #endif	/* i386 */
 
-#ifdef __mc68000__
 
-#define _EXT2_HAVE_ASM_BITOPS_
+#if !defined(_EXT2_HAVE_ASM_SWAB_)
 
-_INLINE_ int ext2fs_set_bit(int nr,void * addr)
+_INLINE_ __u16 ext2fs_swab16(__u16 val)
 {
-	char retval;
-
-	__asm__ __volatile__ ("bfset %2@{%1:#1}; sne %0"
-	     : "=d" (retval) : "d" (nr^7), "a" (addr));
-
-	return retval;
+	return (val >> 8) | (__u16) (val << 8);
 }
 
-_INLINE_ int ext2fs_clear_bit(int nr, void * addr)
+_INLINE_ __u32 ext2fs_swab32(__u32 val)
 {
-	char retval;
+	return ((val>>24) | ((val>>8)&0xFF00) |
+		((val<<8)&0xFF0000) | (val<<24));
+}
 
-	__asm__ __volatile__ ("bfclr %2@{%1:#1}; sne %0"
-	     : "=d" (retval) : "d" (nr^7), "a" (addr));
+#endif /* !_EXT2_HAVE_ASM_SWAB */
 
-	return retval;
+_INLINE_ __u64 ext2fs_swab64(__u64 val)
+{
+	return (ext2fs_swab32((__u32) (val >> 32)) |
+		(((__u64)ext2fs_swab32(val & 0xFFFFFFFFUL)) << 32));
 }
 
-_INLINE_ int ext2fs_test_bit(int nr, const void * addr)
+_INLINE_ int ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap,
+				       blk_t block)
 {
-	char retval;
-
-	__asm__ __volatile__ ("bftst %2@{%1:#1}; sne %0"
-	     : "=d" (retval) : "d" (nr^7), "a" (addr));
-
-	return retval;
+	return ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
+					  block);
 }
 
-#endif /* __mc68000__ */
-
-#ifdef __sparc__
-
-#define _EXT2_HAVE_ASM_BITOPS_
-
-#ifndef EXT2_OLD_BITOPS
-
-/*
- * Do the bitops so that we are compatible with the standard i386
- * convention.
- */
-
-_INLINE_ int ext2fs_set_bit(int nr,void * addr)
+_INLINE_ int ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
+					 blk_t block)
 {
-#if 1
-	int		mask;
-	unsigned char	*ADDR = (unsigned char *) addr;
-
-	ADDR += nr >> 3;
-	mask = 1 << (nr & 0x07);
-	__asm__ __volatile__("ldub	[%0], %%g6\n\t"
-			     "or	%%g6, %2, %%g5\n\t"
-			     "stb	%%g5, [%0]\n\t"
-			     "and	%%g6, %2, %0\n"
-	: "=&r" (ADDR)
-	: "0" (ADDR), "r" (mask)
-	: "g5", "g6");
-	return (int) ADDR;
-#else
-	int		mask, retval;
-	unsigned char	*ADDR = (unsigned char *) addr;
-
-	ADDR += nr >> 3;
-	mask = 1 << (nr & 0x07);
-	retval = (mask & *ADDR) != 0;
-	*ADDR |= mask;
-	return retval;
-#endif
+	return ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
+					    block);
 }
 
-_INLINE_ int ext2fs_clear_bit(int nr, void * addr)
+_INLINE_ int ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap,
+				       blk_t block)
 {
-#if 1
-	int		mask;
-	unsigned char	*ADDR = (unsigned char *) addr;
-
-	ADDR += nr >> 3;
-	mask = 1 << (nr & 0x07);
-	__asm__ __volatile__("ldub	[%0], %%g6\n\t"
-			     "andn	%%g6, %2, %%g5\n\t"
-			     "stb	%%g5, [%0]\n\t"
-			     "and	%%g6, %2, %0\n"
-	: "=&r" (ADDR)
-	: "0" (ADDR), "r" (mask)
-	: "g5", "g6");
-	return (int) ADDR;
-	
-#else
-	int		mask, retval;
-	unsigned char	*ADDR = (unsigned char *) addr;
+	return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap,
+					  block);
+}
 
-	ADDR += nr >> 3;
-	mask = 1 << (nr & 0x07);
-	retval = (mask & *ADDR) != 0;
-	*ADDR &= ~mask;
-	return retval;
-#endif
+_INLINE_ int ext2fs_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,
+				       ext2_ino_t inode)
+{
+	return ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
+					  inode);
 }
 
-_INLINE_ int ext2fs_test_bit(int nr, const void * addr)
+_INLINE_ int ext2fs_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
+					 ext2_ino_t inode)
 {
-	int			mask;
-	const unsigned char	*ADDR = (const unsigned char *) addr;
+	return ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
+				     inode);
+}
 
-	ADDR += nr >> 3;
-	mask = 1 << (nr & 0x07);
-	return ((mask & *ADDR) != 0);
+_INLINE_ int ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
+				       ext2_ino_t inode)
+{
+	return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap,
+					  inode);
 }
 
-#else
+_INLINE_ void ext2fs_fast_mark_block_bitmap(ext2fs_block_bitmap bitmap,
+					    blk_t block)
+{
+	ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap, block);
+}
 
-/* Do things the old, unplesant way. */
+_INLINE_ void ext2fs_fast_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
+					      blk_t block)
+{
+	ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap, block);
+}
 
-_INLINE_ int ext2fs_set_bit(int nr, void *addr)
+_INLINE_ int ext2fs_fast_test_block_bitmap(ext2fs_block_bitmap bitmap,
+					    blk_t block)
 {
-	int		mask, retval;
-	unsigned long	*ADDR = (unsigned long *) addr;
+	return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap,
+					  block);
+}
 
-	ADDR += nr >> 5;
-	mask = 1 << (nr & 31);
-	retval = ((mask & *ADDR) != 0);
-	*ADDR |= mask;
-	return retval;
+_INLINE_ void ext2fs_fast_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,
+					    ext2_ino_t inode)
+{
+	ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap, inode);
 }
 
-_INLINE_ int ext2fs_clear_bit(int nr, void *addr)
+_INLINE_ void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
+					      ext2_ino_t inode)
 {
-	int		mask, retval;
-	unsigned long	*ADDR = (unsigned long *) addr;
+	ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap, inode);
+}
 
-	ADDR += nr >> 5;
-	mask = 1 << (nr & 31);
-	retval = ((mask & *ADDR) != 0);
-	*ADDR &= ~mask;
-	return retval;
+_INLINE_ int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
+					   ext2_ino_t inode)
+{
+	return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap,
+					  inode);
 }
 
-_INLINE_ int ext2fs_test_bit(int nr, const void *addr)
+_INLINE_ blk_t ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap)
 {
-	int			mask;
-	const unsigned long	*ADDR = (const unsigned long *) addr;
+	return ext2fs_get_generic_bitmap_start((ext2fs_generic_bitmap) bitmap);
+}
 
-	ADDR += nr >> 5;
-	mask = 1 << (nr & 31);
-	return ((mask & *ADDR) != 0);
+_INLINE_ ext2_ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap)
+{
+	return ext2fs_get_generic_bitmap_start((ext2fs_generic_bitmap) bitmap);
 }
-#endif
 
-#endif /* __sparc__ */
+_INLINE_ blk_t ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap)
+{
+	return ext2fs_get_generic_bitmap_end((ext2fs_generic_bitmap) bitmap);
+}
 
-#ifndef _EXT2_HAVE_ASM_SWAB
+_INLINE_ ext2_ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap)
+{
+	return ext2fs_get_generic_bitmap_end((ext2fs_generic_bitmap) bitmap);
+}
 
-_INLINE_ __u16 ext2fs_swab16(__u16 val)
+_INLINE_ int ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
+						 blk_t block, int num)
 {
-	return (val >> 8) | (val << 8);
+	return ext2fs_test_block_bitmap_range(bitmap, block, num);
 }
 
-_INLINE_ __u32 ext2fs_swab32(__u32 val)
+_INLINE_ void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
+						  blk_t block, int num)
 {
-	return ((val>>24) | ((val>>8)&0xFF00) |
-		((val<<8)&0xFF0000) | (val<<24));
+	ext2fs_mark_block_bitmap_range(bitmap, block, num);
 }
 
-#endif /* !_EXT2_HAVE_ASM_SWAB */
+_INLINE_ void ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
+						    blk_t block, int num)
+{
+	ext2fs_unmark_block_bitmap_range(bitmap, block, num);
+}
 
-_INLINE_ void ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap,
-					 __u32 bitno);
-_INLINE_ void ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap,
-					   blk_t bitno);
-_INLINE_ int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap,
-					blk_t bitno);
+/* 64-bit versions */
 
-_INLINE_ void ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap,
-					 __u32 bitno)
+_INLINE_ int ext2fs_mark_block_bitmap2(ext2fs_block_bitmap bitmap,
+				       blk64_t block)
 {
-	if ((bitno < bitmap->start) || (bitno > bitmap->end)) {
-		ext2fs_warn_bitmap2(bitmap, EXT2FS_MARK_ERROR, bitno);
-		return;
-	}
-	ext2fs_set_bit(bitno - bitmap->start, bitmap->bitmap);
+	return ext2fs_mark_generic_bmap((ext2fs_generic_bitmap) bitmap,
+					block);
 }
 
-_INLINE_ void ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap,
-					   blk_t bitno)
+_INLINE_ int ext2fs_unmark_block_bitmap2(ext2fs_block_bitmap bitmap,
+					 blk64_t block)
 {
-	if ((bitno < bitmap->start) || (bitno > bitmap->end)) {
-		ext2fs_warn_bitmap2(bitmap, EXT2FS_UNMARK_ERROR, bitno);
-		return;
-	}
-	ext2fs_clear_bit(bitno - bitmap->start, bitmap->bitmap);
+	return ext2fs_unmark_generic_bmap((ext2fs_generic_bitmap) bitmap, block);
 }
 
-_INLINE_ int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap,
-					blk_t bitno)
+_INLINE_ int ext2fs_test_block_bitmap2(ext2fs_block_bitmap bitmap,
+				       blk64_t block)
 {
-	if ((bitno < bitmap->start) || (bitno > bitmap->end)) {
-		ext2fs_warn_bitmap2(bitmap, EXT2FS_TEST_ERROR, bitno);
-		return 0;
-	}
-	return ext2fs_test_bit(bitno - bitmap->start, bitmap->bitmap);
+	return ext2fs_test_generic_bmap((ext2fs_generic_bitmap) bitmap,
+					block);
 }
 
-_INLINE_ void ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap,
-				       blk_t block)
+_INLINE_ int ext2fs_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+				       ext2_ino_t inode)
 {
-	ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap, block);
+	return ext2fs_mark_generic_bmap((ext2fs_generic_bitmap) bitmap,
+					inode);
 }
 
-_INLINE_ void ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
-					 blk_t block)
+_INLINE_ int ext2fs_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+					 ext2_ino_t inode)
 {
-	ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap, block);
+	return ext2fs_unmark_generic_bmap((ext2fs_generic_bitmap) bitmap,
+					  inode);
 }
 
-_INLINE_ int ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap,
-				       blk_t block)
+_INLINE_ int ext2fs_test_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+				       ext2_ino_t inode)
 {
-	return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap, 
-					  block);
+	return ext2fs_test_generic_bmap((ext2fs_generic_bitmap) bitmap,
+					inode);
 }
 
-_INLINE_ void ext2fs_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,
-				       ino_t inode)
+_INLINE_ void ext2fs_fast_mark_block_bitmap2(ext2fs_block_bitmap bitmap,
+					     blk64_t block)
 {
-	ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap, inode);
+	ext2fs_mark_generic_bmap((ext2fs_generic_bitmap) bitmap, block);
 }
 
-_INLINE_ void ext2fs_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
-					 ino_t inode)
+_INLINE_ void ext2fs_fast_unmark_block_bitmap2(ext2fs_block_bitmap bitmap,
+					       blk64_t block)
 {
-	ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap, inode);
+	ext2fs_unmark_generic_bmap((ext2fs_generic_bitmap) bitmap, block);
 }
 
-_INLINE_ int ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
-				       ino_t inode)
+_INLINE_ int ext2fs_fast_test_block_bitmap2(ext2fs_block_bitmap bitmap,
+					    blk64_t block)
 {
-	return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap, 
-					  inode);
+	return ext2fs_test_generic_bmap((ext2fs_generic_bitmap) bitmap,
+					block);
 }
 
-_INLINE_ void ext2fs_fast_mark_block_bitmap(ext2fs_block_bitmap bitmap,
-					    blk_t block)
+_INLINE_ void ext2fs_fast_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+					     ext2_ino_t inode)
 {
-#ifdef EXT2FS_DEBUG_FAST_OPS
-	if ((block < bitmap->start) || (block > bitmap->end)) {
-		ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_MARK, block,
-				   bitmap->description);
-		return;
-	}
-#endif	
-	ext2fs_set_bit(block - bitmap->start, bitmap->bitmap);
+	ext2fs_mark_generic_bmap((ext2fs_generic_bitmap) bitmap, inode);
 }
 
-_INLINE_ void ext2fs_fast_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
-					      blk_t block)
+_INLINE_ void ext2fs_fast_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+					       ext2_ino_t inode)
 {
-#ifdef EXT2FS_DEBUG_FAST_OPS
-	if ((block < bitmap->start) || (block > bitmap->end)) {
-		ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_UNMARK,
-				   block, bitmap->description);
-		return;
-	}
-#endif
-	ext2fs_clear_bit(block - bitmap->start, bitmap->bitmap);
+	ext2fs_unmark_generic_bmap((ext2fs_generic_bitmap) bitmap, inode);
 }
 
-_INLINE_ int ext2fs_fast_test_block_bitmap(ext2fs_block_bitmap bitmap,
-					    blk_t block)
+_INLINE_ int ext2fs_fast_test_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+					    ext2_ino_t inode)
 {
-#ifdef EXT2FS_DEBUG_FAST_OPS
-	if ((block < bitmap->start) || (block > bitmap->end)) {
-		ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_TEST,
-				   block, bitmap->description);
-		return 0;
-	}
-#endif
-	return ext2fs_test_bit(block - bitmap->start, bitmap->bitmap);
+	return ext2fs_test_generic_bmap((ext2fs_generic_bitmap) bitmap,
+					inode);
 }
 
-_INLINE_ void ext2fs_fast_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,
-					    ino_t inode)
-{
-#ifdef EXT2FS_DEBUG_FAST_OPS
-	if ((inode < bitmap->start) || (inode > bitmap->end)) {
-		ext2fs_warn_bitmap(EXT2_ET_BAD_INODE_MARK,
-				   inode, bitmap->description);
-		return;
-	}
-#endif
-	ext2fs_set_bit(inode - bitmap->start, bitmap->bitmap);
-}
+_INLINE_ errcode_t ext2fs_find_first_zero_block_bitmap2(ext2fs_block_bitmap bitmap,
+							blk64_t start,
+							blk64_t end,
+							blk64_t *out)
+{
+	__u64 o;
+	errcode_t rv;
 
-_INLINE_ void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
-					      ino_t inode)
-{
-#ifdef EXT2FS_DEBUG_FAST_OPS
-	if ((inode < bitmap->start) || (inode > bitmap->end)) {
-		ext2fs_warn_bitmap(EXT2_ET_BAD_INODE_UNMARK,
-				   inode, bitmap->description);
-		return;
-	}
-#endif
-	ext2fs_clear_bit(inode - bitmap->start, bitmap->bitmap);
+	rv = ext2fs_find_first_zero_generic_bmap((ext2fs_generic_bitmap) bitmap,
+						 start, end, &o);
+	if (!rv)
+		*out = o;
+	return rv;
 }
 
-_INLINE_ int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
-					   ino_t inode)
-{
-#ifdef EXT2FS_DEBUG_FAST_OPS
-	if ((inode < bitmap->start) || (inode > bitmap->end)) {
-		ext2fs_warn_bitmap(EXT2_ET_BAD_INODE_TEST,
-				   inode, bitmap->description);
-		return 0;
-	}
-#endif
-	return ext2fs_test_bit(inode - bitmap->start, bitmap->bitmap);
+_INLINE_ errcode_t ext2fs_find_first_zero_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+							ext2_ino_t start,
+							ext2_ino_t end,
+							ext2_ino_t *out)
+{
+	__u64 o;
+	errcode_t rv;
+
+	rv = ext2fs_find_first_zero_generic_bmap((ext2fs_generic_bitmap) bitmap,
+						 start, end, &o);
+	if (!rv)
+		*out = (ext2_ino_t) o;
+	return rv;
 }
 
-_INLINE_ blk_t ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap)
+_INLINE_ errcode_t ext2fs_find_first_set_block_bitmap2(ext2fs_block_bitmap bitmap,
+						       blk64_t start,
+						       blk64_t end,
+						       blk64_t *out)
 {
-	return bitmap->start;
+	__u64 o;
+	errcode_t rv;
+
+	rv = ext2fs_find_first_set_generic_bmap((ext2fs_generic_bitmap) bitmap,
+						start, end, &o);
+	if (!rv)
+		*out = o;
+	return rv;
 }
 
-_INLINE_ ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap)
+_INLINE_ errcode_t ext2fs_find_first_set_inode_bitmap2(ext2fs_inode_bitmap bitmap,
+						       ext2_ino_t start,
+						       ext2_ino_t end,
+						       ext2_ino_t *out)
 {
-	return bitmap->start;
+	__u64 o;
+	errcode_t rv;
+
+	rv = ext2fs_find_first_set_generic_bmap((ext2fs_generic_bitmap) bitmap,
+						start, end, &o);
+	if (!rv)
+		*out = (ext2_ino_t) o;
+	return rv;
 }
 
-_INLINE_ blk_t ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap)
+_INLINE_ blk64_t ext2fs_get_block_bitmap_start2(ext2fs_block_bitmap bitmap)
 {
-	return bitmap->end;
+	return ext2fs_get_generic_bmap_start((ext2fs_generic_bitmap) bitmap);
 }
 
-_INLINE_ ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap)
+_INLINE_ ext2_ino_t ext2fs_get_inode_bitmap_start2(ext2fs_inode_bitmap bitmap)
 {
-	return bitmap->end;
+	return (ext2_ino_t) ext2fs_get_generic_bmap_start((ext2fs_generic_bitmap) bitmap);
 }
 
-_INLINE_ int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
-					    blk_t block, int num)
+_INLINE_ blk64_t ext2fs_get_block_bitmap_end2(ext2fs_block_bitmap bitmap)
 {
-	int	i;
-
-	if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
-		ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_TEST,
-				   block, bitmap->description);
-		return 0;
-	}
-	for (i=0; i < num; i++) {
-		if (ext2fs_fast_test_block_bitmap(bitmap, block+i))
-			return 0;
-	}
-	return 1;
+	return ext2fs_get_generic_bmap_end((ext2fs_generic_bitmap) bitmap);
 }
 
-_INLINE_ int ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
-						 blk_t block, int num)
+_INLINE_ ext2_ino_t ext2fs_get_inode_bitmap_end2(ext2fs_inode_bitmap bitmap)
 {
-	int	i;
-
-#ifdef EXT2FS_DEBUG_FAST_OPS
-	if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
-		ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_TEST,
-				   block, bitmap->description);
-		return 0;
-	}
-#endif
-	for (i=0; i < num; i++) {
-		if (ext2fs_fast_test_block_bitmap(bitmap, block+i))
-			return 0;
-	}
-	return 1;
+	return (ext2_ino_t) ext2fs_get_generic_bmap_end((ext2fs_generic_bitmap) bitmap);
 }
 
-_INLINE_ void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
-					     blk_t block, int num)
+_INLINE_ int ext2fs_fast_test_block_bitmap_range2(ext2fs_block_bitmap bitmap,
+						  blk64_t block,
+						  unsigned int num)
 {
-	int	i;
-	
-	if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
-		ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_MARK, block,
-				   bitmap->description);
-		return;
-	}
-	for (i=0; i < num; i++)
-		ext2fs_set_bit(block + i - bitmap->start, bitmap->bitmap);
+	return ext2fs_test_block_bitmap_range2(bitmap, block, num);
 }
 
-_INLINE_ void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
-						  blk_t block, int num)
+_INLINE_ void ext2fs_fast_mark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
+						   blk64_t block,
+						   unsigned int num)
 {
-	int	i;
-	
-#ifdef EXT2FS_DEBUG_FAST_OPS
-	if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
-		ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_MARK, block,
-				   bitmap->description);
-		return;
-	}
-#endif	
-	for (i=0; i < num; i++)
-		ext2fs_set_bit(block + i - bitmap->start, bitmap->bitmap);
-}
-
-_INLINE_ void ext2fs_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
-					       blk_t block, int num)
-{
-	int	i;
-	
-	if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
-		ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_UNMARK, block,
-				   bitmap->description);
-		return;
-	}
-	for (i=0; i < num; i++)
-		ext2fs_clear_bit(block + i - bitmap->start, bitmap->bitmap);
+	ext2fs_mark_block_bitmap_range2(bitmap, block, num);
 }
 
-_INLINE_ void ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
-						    blk_t block, int num)
+_INLINE_ void ext2fs_fast_unmark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
+						     blk64_t block,
+						     unsigned int num)
 {
-	int	i;
-	
-#ifdef EXT2FS_DEBUG_FAST_OPS
-	if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
-		ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_UNMARK, block,
-				   bitmap->description);
-		return;
-	}
-#endif	
-	for (i=0; i < num; i++)
-		ext2fs_clear_bit(block + i - bitmap->start, bitmap->bitmap);
+	ext2fs_unmark_block_bitmap_range2(bitmap, block, num);
 }
 
 #undef _INLINE_
 #endif
 
+#ifndef _EXT2_HAVE_ASM_BITOPS_
+extern int ext2fs_set_bit(unsigned int nr,void * addr);
+extern int ext2fs_clear_bit(unsigned int nr, void * addr);
+extern int ext2fs_test_bit(unsigned int nr, const void * addr);
+#endif
+
+extern int ext2fs_set_bit64(__u64 nr,void * addr);
+extern int ext2fs_clear_bit64(__u64 nr, void * addr);
+extern int ext2fs_test_bit64(__u64 nr, const void * addr);
+extern unsigned int ext2fs_bitcount(const void *addr, unsigned int nbytes);