704 lines
22 KiB
C
704 lines
22 KiB
C
/*
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* bitops.h --- Bitmap frobbing code. The byte swapping routines are
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* also included here.
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*
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* Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
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*
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* %Begin-Header%
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* This file may be redistributed under the terms of the GNU Library
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* General Public License, version 2.
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* %End-Header%
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*/
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#ifdef WORDS_BIGENDIAN
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#define ext2fs_cpu_to_le64(x) ((__force __le64)ext2fs_swab64((__u64)(x)))
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#define ext2fs_le64_to_cpu(x) ext2fs_swab64((__force __u64)(__le64)(x))
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#define ext2fs_cpu_to_le32(x) ((__force __le32)ext2fs_swab32((__u32)(x)))
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#define ext2fs_le32_to_cpu(x) ext2fs_swab32((__force __u32)(__le32)(x))
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#define ext2fs_cpu_to_le16(x) ((__force __le16)ext2fs_swab16((__u16)(x)))
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#define ext2fs_le16_to_cpu(x) ext2fs_swab16((__force __u16)(__le16)(x))
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#define ext2fs_cpu_to_be64(x) ((__force __be64)(__u64)(x))
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#define ext2fs_be64_to_cpu(x) ((__force __u64)(__be64)(x))
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#define ext2fs_cpu_to_be32(x) ((__force __be32)(__u32)(x))
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#define ext2fs_be32_to_cpu(x) ((__force __u32)(__be32)(x))
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#define ext2fs_cpu_to_be16(x) ((__force __be16)(__u16)(x))
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#define ext2fs_be16_to_cpu(x) ((__force __u16)(__be16)(x))
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#else
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#define ext2fs_cpu_to_le64(x) ((__force __le64)(__u64)(x))
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#define ext2fs_le64_to_cpu(x) ((__force __u64)(__le64)(x))
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#define ext2fs_cpu_to_le32(x) ((__force __le32)(__u32)(x))
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#define ext2fs_le32_to_cpu(x) ((__force __u32)(__le32)(x))
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#define ext2fs_cpu_to_le16(x) ((__force __le16)(__u16)(x))
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#define ext2fs_le16_to_cpu(x) ((__force __u16)(__le16)(x))
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#define ext2fs_cpu_to_be64(x) ((__force __be64)ext2fs_swab64((__u64)(x)))
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#define ext2fs_be64_to_cpu(x) ext2fs_swab64((__force __u64)(__be64)(x))
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#define ext2fs_cpu_to_be32(x) ((__force __be32)ext2fs_swab32((__u32)(x)))
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#define ext2fs_be32_to_cpu(x) ext2fs_swab32((__force __u32)(__be32)(x))
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#define ext2fs_cpu_to_be16(x) ((__force __be16)ext2fs_swab16((__u16)(x)))
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#define ext2fs_be16_to_cpu(x) ext2fs_swab16((__force __u16)(__be16)(x))
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#endif
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/*
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* EXT2FS bitmap manipulation routines.
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*/
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/* Support for sending warning messages from the inline subroutines */
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extern const char *ext2fs_block_string;
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extern const char *ext2fs_inode_string;
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extern const char *ext2fs_mark_string;
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extern const char *ext2fs_unmark_string;
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extern const char *ext2fs_test_string;
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extern void ext2fs_warn_bitmap(errcode_t errcode, unsigned long arg,
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const char *description);
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extern void ext2fs_warn_bitmap2(ext2fs_generic_bitmap bitmap,
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int code, unsigned long arg);
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#ifdef NO_INLINE_FUNCS
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extern void ext2fs_fast_set_bit(unsigned int nr,void * addr);
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extern void ext2fs_fast_clear_bit(unsigned int nr, void * addr);
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extern void ext2fs_fast_set_bit64(__u64 nr,void * addr);
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extern void ext2fs_fast_clear_bit64(__u64 nr, void * addr);
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extern __u16 ext2fs_swab16(__u16 val);
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extern __u32 ext2fs_swab32(__u32 val);
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extern __u64 ext2fs_swab64(__u64 val);
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extern int ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block);
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extern int ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
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blk_t block);
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extern int ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block);
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extern int ext2fs_mark_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode);
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extern int ext2fs_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
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ext2_ino_t inode);
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extern int ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode);
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extern void ext2fs_fast_mark_block_bitmap(ext2fs_block_bitmap bitmap,
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blk_t block);
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extern void ext2fs_fast_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
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blk_t block);
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extern int ext2fs_fast_test_block_bitmap(ext2fs_block_bitmap bitmap,
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blk_t block);
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extern void ext2fs_fast_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,
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ext2_ino_t inode);
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extern void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
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ext2_ino_t inode);
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extern int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
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ext2_ino_t inode);
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extern blk_t ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap);
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extern ext2_ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap);
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extern blk_t ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap);
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extern ext2_ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap);
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extern void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
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blk_t block, int num);
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extern void ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
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blk_t block, int num);
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extern int ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
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blk_t block, int num);
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#endif
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/* These functions routines moved to gen_bitmap.c */
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extern void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
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blk_t block, int num);
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extern void ext2fs_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
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blk_t block, int num);
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extern int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
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blk_t block, int num);
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extern int ext2fs_test_inode_bitmap_range(ext2fs_inode_bitmap bitmap,
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ext2_ino_t inode, int num);
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extern int ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap,
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__u32 bitno);
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extern int ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap,
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blk_t bitno);
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extern int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap,
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blk_t bitno);
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extern int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
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blk_t block, int num);
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extern void ext2fs_set_bitmap_padding(ext2fs_generic_bitmap map);
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extern __u32 ext2fs_get_generic_bitmap_start(ext2fs_generic_bitmap bitmap);
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extern __u32 ext2fs_get_generic_bitmap_end(ext2fs_generic_bitmap bitmap);
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/* 64-bit versions */
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#ifdef NO_INLINE_FUNCS
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extern int ext2fs_mark_block_bitmap2(ext2fs_block_bitmap bitmap,
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blk64_t block);
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extern int ext2fs_unmark_block_bitmap2(ext2fs_block_bitmap bitmap,
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blk64_t block);
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extern int ext2fs_test_block_bitmap2(ext2fs_block_bitmap bitmap,
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blk64_t block);
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extern int ext2fs_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
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ext2_ino_t inode);
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extern int ext2fs_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
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ext2_ino_t inode);
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extern int ext2fs_test_inode_bitmap2(ext2fs_inode_bitmap bitmap,
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ext2_ino_t inode);
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extern void ext2fs_fast_mark_block_bitmap2(ext2fs_block_bitmap bitmap,
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blk64_t block);
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extern void ext2fs_fast_unmark_block_bitmap2(ext2fs_block_bitmap bitmap,
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blk64_t block);
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extern int ext2fs_fast_test_block_bitmap2(ext2fs_block_bitmap bitmap,
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blk64_t block);
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extern void ext2fs_fast_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
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ext2_ino_t inode);
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extern void ext2fs_fast_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
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ext2_ino_t inode);
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extern int ext2fs_fast_test_inode_bitmap2(ext2fs_inode_bitmap bitmap,
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ext2_ino_t inode);
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extern errcode_t ext2fs_find_first_zero_block_bitmap2(ext2fs_block_bitmap bitmap,
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blk64_t start,
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blk64_t end,
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blk64_t *out);
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extern errcode_t ext2fs_find_first_zero_inode_bitmap2(ext2fs_inode_bitmap bitmap,
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ext2_ino_t start,
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ext2_ino_t end,
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ext2_ino_t *out);
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extern errcode_t ext2fs_find_first_set_block_bitmap2(ext2fs_block_bitmap bitmap,
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blk64_t start,
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blk64_t end,
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blk64_t *out);
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extern errcode_t ext2fs_find_first_set_inode_bitmap2(ext2fs_inode_bitmap bitmap,
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ext2_ino_t start,
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ext2_ino_t end,
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ext2_ino_t *out);
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extern blk64_t ext2fs_get_block_bitmap_start2(ext2fs_block_bitmap bitmap);
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extern ext2_ino_t ext2fs_get_inode_bitmap_start2(ext2fs_inode_bitmap bitmap);
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extern blk64_t ext2fs_get_block_bitmap_end2(ext2fs_block_bitmap bitmap);
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extern ext2_ino_t ext2fs_get_inode_bitmap_end2(ext2fs_inode_bitmap bitmap);
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extern int ext2fs_fast_test_block_bitmap_range2(ext2fs_block_bitmap bitmap,
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blk64_t block,
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unsigned int num);
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extern void ext2fs_fast_mark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
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blk64_t block,
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unsigned int num);
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extern void ext2fs_fast_unmark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
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blk64_t block,
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unsigned int num);
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#endif
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/* These routines moved to gen_bitmap64.c */
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extern void ext2fs_clear_generic_bmap(ext2fs_generic_bitmap bitmap);
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extern errcode_t ext2fs_compare_generic_bmap(errcode_t neq,
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ext2fs_generic_bitmap bm1,
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ext2fs_generic_bitmap bm2);
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extern void ext2fs_set_generic_bmap_padding(ext2fs_generic_bitmap bmap);
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extern int ext2fs_mark_generic_bmap(ext2fs_generic_bitmap bitmap,
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blk64_t bitno);
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extern int ext2fs_unmark_generic_bmap(ext2fs_generic_bitmap bitmap,
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blk64_t bitno);
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extern int ext2fs_test_generic_bmap(ext2fs_generic_bitmap bitmap,
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blk64_t bitno);
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extern int ext2fs_test_block_bitmap_range2(ext2fs_block_bitmap bitmap,
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blk64_t block, unsigned int num);
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extern __u64 ext2fs_get_generic_bmap_start(ext2fs_generic_bitmap bitmap);
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extern __u64 ext2fs_get_generic_bmap_end(ext2fs_generic_bitmap bitmap);
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extern int ext2fs_test_block_bitmap_range2(ext2fs_block_bitmap bitmap,
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blk64_t block, unsigned int num);
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extern void ext2fs_mark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
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blk64_t block, unsigned int num);
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extern void ext2fs_unmark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
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blk64_t block, unsigned int num);
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extern errcode_t ext2fs_find_first_zero_generic_bmap(ext2fs_generic_bitmap bitmap,
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__u64 start, __u64 end,
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__u64 *out);
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extern errcode_t ext2fs_find_first_set_generic_bmap(ext2fs_generic_bitmap bitmap,
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__u64 start, __u64 end,
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__u64 *out);
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/*
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* The inline routines themselves...
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*
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* If NO_INLINE_FUNCS is defined, then we won't try to do inline
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* functions at all; they will be included as normal functions in
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* inline.c
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*/
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#ifdef NO_INLINE_FUNCS
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#if (defined(__GNUC__) && (defined(__i386__) || defined(__i486__) || \
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defined(__i586__)))
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/* This prevents bitops.c from trying to include the C */
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/* function version of these functions */
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#define _EXT2_HAVE_ASM_BITOPS_
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#endif
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#endif /* NO_INLINE_FUNCS */
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#if (defined(INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS))
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#ifdef INCLUDE_INLINE_FUNCS
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#if (__STDC_VERSION__ >= 199901L)
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#define _INLINE_ extern inline
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#else
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#define _INLINE_ inline
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#endif
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#else /* !INCLUDE_INLINE FUNCS */
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#if (__STDC_VERSION__ >= 199901L)
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#define _INLINE_ inline
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#else /* not C99 */
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#ifdef __GNUC__
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#define _INLINE_ extern __inline__
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#else /* For Watcom C */
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#define _INLINE_ extern inline
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#endif /* __GNUC__ */
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#endif /* __STDC_VERSION__ >= 199901L */
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#endif /* INCLUDE_INLINE_FUNCS */
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/*
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* Fast bit set/clear functions that doesn't need to return the
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* previous bit value.
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*/
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_INLINE_ void ext2fs_fast_set_bit(unsigned int nr,void * addr)
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{
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unsigned char *ADDR = (unsigned char *) addr;
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ADDR += nr >> 3;
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*ADDR |= (unsigned char) (1 << (nr & 0x07));
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}
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_INLINE_ void ext2fs_fast_clear_bit(unsigned int nr, void * addr)
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{
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unsigned char *ADDR = (unsigned char *) addr;
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ADDR += nr >> 3;
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*ADDR &= (unsigned char) ~(1 << (nr & 0x07));
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}
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_INLINE_ void ext2fs_fast_set_bit64(__u64 nr, void * addr)
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{
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unsigned char *ADDR = (unsigned char *) addr;
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ADDR += nr >> 3;
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*ADDR |= (unsigned char) (1 << (nr & 0x07));
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}
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_INLINE_ void ext2fs_fast_clear_bit64(__u64 nr, void * addr)
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{
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unsigned char *ADDR = (unsigned char *) addr;
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ADDR += nr >> 3;
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*ADDR &= (unsigned char) ~(1 << (nr & 0x07));
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}
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#if ((defined __GNUC__) && !defined(_EXT2_USE_C_VERSIONS_) && \
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(defined(__i386__) || defined(__i486__) || defined(__i586__)))
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#define _EXT2_HAVE_ASM_BITOPS_
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#define _EXT2_HAVE_ASM_SWAB_
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/*
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* These are done by inline assembly for speed reasons.....
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*
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* All bitoperations return 0 if the bit was cleared before the
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* operation and != 0 if it was not. Bit 0 is the LSB of addr; bit 32
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* is the LSB of (addr+1).
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*/
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/*
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* Some hacks to defeat gcc over-optimizations..
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*/
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struct __dummy_h { unsigned long a[100]; };
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#define EXT2FS_ADDR (*(struct __dummy_h *) addr)
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#define EXT2FS_CONST_ADDR (*(const struct __dummy_h *) addr)
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_INLINE_ int ext2fs_set_bit(unsigned int nr, void * addr)
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{
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int oldbit;
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addr = (void *) (((unsigned char *) addr) + (nr >> 3));
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__asm__ __volatile__("btsl %2,%1\n\tsbbl %0,%0"
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:"=r" (oldbit),"+m" (EXT2FS_ADDR)
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:"r" (nr & 7));
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return oldbit;
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}
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_INLINE_ int ext2fs_clear_bit(unsigned int nr, void * addr)
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{
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int oldbit;
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addr = (void *) (((unsigned char *) addr) + (nr >> 3));
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__asm__ __volatile__("btrl %2,%1\n\tsbbl %0,%0"
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:"=r" (oldbit),"+m" (EXT2FS_ADDR)
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:"r" (nr & 7));
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return oldbit;
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}
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_INLINE_ int ext2fs_test_bit(unsigned int nr, const void * addr)
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{
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int oldbit;
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addr = (const void *) (((const unsigned char *) addr) + (nr >> 3));
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__asm__ __volatile__("btl %2,%1\n\tsbbl %0,%0"
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:"=r" (oldbit)
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:"m" (EXT2FS_CONST_ADDR),"r" (nr & 7));
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return oldbit;
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}
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_INLINE_ __u32 ext2fs_swab32(__u32 val)
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{
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#ifdef EXT2FS_REQUIRE_486
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__asm__("bswap %0" : "=r" (val) : "0" (val));
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#else
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__asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */
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"rorl $16,%0\n\t" /* swap words */
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"xchgb %b0,%h0" /* swap higher bytes */
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:"=q" (val)
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: "0" (val));
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#endif
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return val;
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}
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_INLINE_ __u16 ext2fs_swab16(__u16 val)
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{
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__asm__("xchgb %b0,%h0" /* swap bytes */ \
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: "=q" (val) \
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: "0" (val)); \
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return val;
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}
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#undef EXT2FS_ADDR
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#endif /* i386 */
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#if !defined(_EXT2_HAVE_ASM_SWAB_)
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_INLINE_ __u16 ext2fs_swab16(__u16 val)
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{
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return (val >> 8) | (__u16) (val << 8);
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}
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_INLINE_ __u32 ext2fs_swab32(__u32 val)
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{
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return ((val>>24) | ((val>>8)&0xFF00) |
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((val<<8)&0xFF0000) | (val<<24));
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}
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#endif /* !_EXT2_HAVE_ASM_SWAB */
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_INLINE_ __u64 ext2fs_swab64(__u64 val)
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{
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return (ext2fs_swab32((__u32) (val >> 32)) |
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(((__u64)ext2fs_swab32(val & 0xFFFFFFFFUL)) << 32));
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}
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_INLINE_ int ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap,
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blk_t block)
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{
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return ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
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block);
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}
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_INLINE_ int ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
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blk_t block)
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{
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return ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
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block);
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}
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_INLINE_ int ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap,
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blk_t block)
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{
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return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap,
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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);
|