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ext2fs
bitops.h
/* * 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 Library * General Public License, version 2. * %End-Header% */ #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. */ /* Support for sending warning messages from the inline subroutines */ extern const char *ext2fs_block_string; extern const char *ext2fs_inode_string; extern const char *ext2fs_mark_string; extern const char *ext2fs_unmark_string; extern const char *ext2fs_test_string; extern void ext2fs_warn_bitmap(errcode_t errcode, unsigned long arg, const char *description); extern void ext2fs_warn_bitmap2(ext2fs_generic_bitmap bitmap, int code, unsigned long arg); #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 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); extern void ext2fs_fast_unmark_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block); 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, ext2_ino_t inode); extern void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode); extern int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode); extern blk_t ext2fs_get_block_bitmap_start(ext2fs_block_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 ext2_ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap); 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__))) /* This prevents bitops.c from trying to include the C */ /* function version of these functions */ #define _EXT2_HAVE_ASM_BITOPS_ #endif #endif /* NO_INLINE_FUNCS */ #if (defined(INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS)) #ifdef INCLUDE_INLINE_FUNCS #if (__STDC_VERSION__ >= 199901L) #define _INLINE_ extern inline #else #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 */ /* * 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..... * * All bitoperations return 0 if the bit was cleared before the * operation and != 0 if it was not. Bit 0 is the LSB of addr; bit 32 * is the LSB of (addr+1). */ /* * Some hacks to defeat gcc over-optimizations.. */ struct __dummy_h { unsigned long a[100]; }; #define EXT2FS_ADDR (*(struct __dummy_h *) addr) #define EXT2FS_CONST_ADDR (*(const struct __dummy_h *) 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 & 7)); return oldbit; } _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 & 7)); return oldbit; } _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 & 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 */ #if !defined(_EXT2_HAVE_ASM_SWAB_) _INLINE_ __u16 ext2fs_swab16(__u16 val) { return (val >> 8) | (__u16) (val << 8); } _INLINE_ __u32 ext2fs_swab32(__u32 val) { return ((val>>24) | ((val>>8)&0xFF00) | ((val<<8)&0xFF0000) | (val<<24)); } #endif /* !_EXT2_HAVE_ASM_SWAB */ _INLINE_ __u64 ext2fs_swab64(__u64 val) { return (ext2fs_swab32((__u32) (val >> 32)) | (((__u64)ext2fs_swab32(val & 0xFFFFFFFFUL)) << 32)); } _INLINE_ int ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block) { return ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap, block); } _INLINE_ int ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block) { return ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap, block); } _INLINE_ int ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block) { return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap, block); } _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_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode) { return ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap, inode); } _INLINE_ int ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode) { return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap, inode); } _INLINE_ void ext2fs_fast_mark_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block) { ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap, block); } _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_fast_test_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block) { return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap, block); } _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_ void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode) { ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap, inode); } _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_ blk_t ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap) { return ext2fs_get_generic_bitmap_start((ext2fs_generic_bitmap) bitmap); } _INLINE_ ext2_ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap) { return ext2fs_get_generic_bitmap_start((ext2fs_generic_bitmap) bitmap); } _INLINE_ blk_t ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap) { return ext2fs_get_generic_bitmap_end((ext2fs_generic_bitmap) bitmap); } _INLINE_ ext2_ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap) { return ext2fs_get_generic_bitmap_end((ext2fs_generic_bitmap) bitmap); } _INLINE_ int ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap, blk_t block, int num) { return ext2fs_test_block_bitmap_range(bitmap, block, num); } _INLINE_ void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap, blk_t block, int num) { ext2fs_mark_block_bitmap_range(bitmap, block, num); } _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); } /* 64-bit versions */ _INLINE_ int ext2fs_mark_block_bitmap2(ext2fs_block_bitmap bitmap, blk64_t block) { return ext2fs_mark_generic_bmap((ext2fs_generic_bitmap) bitmap, block); } _INLINE_ int ext2fs_unmark_block_bitmap2(ext2fs_block_bitmap bitmap, blk64_t block) { return ext2fs_unmark_generic_bmap((ext2fs_generic_bitmap) bitmap, block); } _INLINE_ int ext2fs_test_block_bitmap2(ext2fs_block_bitmap bitmap, blk64_t block) { return ext2fs_test_generic_bmap((ext2fs_generic_bitmap) bitmap, block); } _INLINE_ int ext2fs_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap, ext2_ino_t inode) { return ext2fs_mark_generic_bmap((ext2fs_generic_bitmap) bitmap, inode); } _INLINE_ int ext2fs_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap, ext2_ino_t inode) { return ext2fs_unmark_generic_bmap((ext2fs_generic_bitmap) bitmap, inode); } _INLINE_ int ext2fs_test_inode_bitmap2(ext2fs_inode_bitmap bitmap, ext2_ino_t inode) { return ext2fs_test_generic_bmap((ext2fs_generic_bitmap) bitmap, inode); } _INLINE_ void ext2fs_fast_mark_block_bitmap2(ext2fs_block_bitmap bitmap, blk64_t block) { ext2fs_mark_generic_bmap((ext2fs_generic_bitmap) bitmap, block); } _INLINE_ void ext2fs_fast_unmark_block_bitmap2(ext2fs_block_bitmap bitmap, blk64_t block) { ext2fs_unmark_generic_bmap((ext2fs_generic_bitmap) bitmap, block); } _INLINE_ int ext2fs_fast_test_block_bitmap2(ext2fs_block_bitmap bitmap, blk64_t block) { return ext2fs_test_generic_bmap((ext2fs_generic_bitmap) bitmap, block); } _INLINE_ void ext2fs_fast_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap, ext2_ino_t inode) { ext2fs_mark_generic_bmap((ext2fs_generic_bitmap) bitmap, inode); } _INLINE_ void ext2fs_fast_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap, ext2_ino_t inode) { ext2fs_unmark_generic_bmap((ext2fs_generic_bitmap) bitmap, inode); } _INLINE_ int ext2fs_fast_test_inode_bitmap2(ext2fs_inode_bitmap bitmap, ext2_ino_t inode) { return ext2fs_test_generic_bmap((ext2fs_generic_bitmap) bitmap, inode); } _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; rv = ext2fs_find_first_zero_generic_bmap((ext2fs_generic_bitmap) bitmap, start, end, &o); if (!rv) *out = o; return rv; } _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_ errcode_t ext2fs_find_first_set_block_bitmap2(ext2fs_block_bitmap bitmap, blk64_t start, blk64_t end, blk64_t *out) { __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_ errcode_t ext2fs_find_first_set_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_set_generic_bmap((ext2fs_generic_bitmap) bitmap, start, end, &o); if (!rv) *out = (ext2_ino_t) o; return rv; } _INLINE_ blk64_t ext2fs_get_block_bitmap_start2(ext2fs_block_bitmap bitmap) { return ext2fs_get_generic_bmap_start((ext2fs_generic_bitmap) bitmap); } _INLINE_ ext2_ino_t ext2fs_get_inode_bitmap_start2(ext2fs_inode_bitmap bitmap) { return (ext2_ino_t) ext2fs_get_generic_bmap_start((ext2fs_generic_bitmap) bitmap); } _INLINE_ blk64_t ext2fs_get_block_bitmap_end2(ext2fs_block_bitmap bitmap) { return ext2fs_get_generic_bmap_end((ext2fs_generic_bitmap) bitmap); } _INLINE_ ext2_ino_t ext2fs_get_inode_bitmap_end2(ext2fs_inode_bitmap bitmap) { return (ext2_ino_t) ext2fs_get_generic_bmap_end((ext2fs_generic_bitmap) bitmap); } _INLINE_ int ext2fs_fast_test_block_bitmap_range2(ext2fs_block_bitmap bitmap, blk64_t block, unsigned int num) { return ext2fs_test_block_bitmap_range2(bitmap, block, num); } _INLINE_ void ext2fs_fast_mark_block_bitmap_range2(ext2fs_block_bitmap bitmap, blk64_t block, unsigned int num) { ext2fs_mark_block_bitmap_range2(bitmap, block, num); } _INLINE_ void ext2fs_fast_unmark_block_bitmap_range2(ext2fs_block_bitmap bitmap, blk64_t block, unsigned int num) { 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);
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