Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1 | /* |
| 2 | * bitmaps.c --- routines to read, write, and manipulate the inode and |
| 3 | * block bitmaps. |
| 4 | * |
Theodore Ts'o | 21c84b7 | 1997-04-29 16:15:03 +0000 | [diff] [blame] | 5 | * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. |
| 6 | * |
| 7 | * %Begin-Header% |
Theodore Ts'o | 543547a | 2010-05-17 21:31:56 -0400 | [diff] [blame] | 8 | * This file may be redistributed under the terms of the GNU Library |
| 9 | * General Public License, version 2. |
Theodore Ts'o | 21c84b7 | 1997-04-29 16:15:03 +0000 | [diff] [blame] | 10 | * %End-Header% |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 11 | */ |
| 12 | |
Theodore Ts'o | d1154eb | 2011-09-18 17:34:37 -0400 | [diff] [blame] | 13 | #include "config.h" |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 14 | #include <stdio.h> |
| 15 | #include <string.h> |
Theodore Ts'o | 4cbe8af | 1997-08-10 23:07:40 +0000 | [diff] [blame] | 16 | #if HAVE_UNISTD_H |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 17 | #include <unistd.h> |
Theodore Ts'o | 4cbe8af | 1997-08-10 23:07:40 +0000 | [diff] [blame] | 18 | #endif |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 19 | #include <fcntl.h> |
| 20 | #include <time.h> |
Theodore Ts'o | 1d2ff46 | 1997-10-19 23:00:21 +0000 | [diff] [blame] | 21 | #if HAVE_SYS_STAT_H |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 22 | #include <sys/stat.h> |
Theodore Ts'o | 1d2ff46 | 1997-10-19 23:00:21 +0000 | [diff] [blame] | 23 | #endif |
| 24 | #if HAVE_SYS_TYPES_H |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 25 | #include <sys/types.h> |
Theodore Ts'o | 1d2ff46 | 1997-10-19 23:00:21 +0000 | [diff] [blame] | 26 | #endif |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 27 | |
Theodore Ts'o | b5abe6f | 1998-01-19 14:47:53 +0000 | [diff] [blame] | 28 | #include "ext2_fs.h" |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 29 | #include "ext2fs.h" |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 30 | #include "ext2fsP.h" |
Theodore Ts'o | 94968e7 | 2011-06-10 17:55:09 -0400 | [diff] [blame] | 31 | #include "bmap64.h" |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 32 | |
Theodore Ts'o | a0553c9 | 2007-07-22 22:59:50 -0400 | [diff] [blame] | 33 | void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 34 | { |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 35 | ext2fs_free_generic_bmap(bitmap); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 36 | } |
| 37 | |
Theodore Ts'o | a0553c9 | 2007-07-22 22:59:50 -0400 | [diff] [blame] | 38 | void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap) |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 39 | { |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 40 | ext2fs_free_generic_bmap(bitmap); |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 41 | } |
| 42 | |
| 43 | errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src, |
| 44 | ext2fs_generic_bitmap *dest) |
| 45 | { |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 46 | return (ext2fs_copy_generic_bmap(src, dest)); |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 47 | } |
Theodore Ts'o | fff876b | 1997-09-13 00:32:29 +0000 | [diff] [blame] | 48 | void ext2fs_set_bitmap_padding(ext2fs_generic_bitmap map) |
| 49 | { |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 50 | ext2fs_set_generic_bmap_padding(map); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 51 | } |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 52 | |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 53 | errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs, |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 54 | const char *descr, |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 55 | ext2fs_inode_bitmap *ret) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 56 | { |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 57 | __u64 start, end, real_end; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 58 | |
| 59 | EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 60 | |
| 61 | fs->write_bitmaps = ext2fs_write_bitmaps; |
| 62 | |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 63 | start = 1; |
| 64 | end = fs->super->s_inodes_count; |
| 65 | real_end = (EXT2_INODES_PER_GROUP(fs->super) * fs->group_desc_count); |
| 66 | |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 67 | /* Are we permitted to use new-style bitmaps? */ |
| 68 | if (fs->flags & EXT2_FLAG_64BITS) |
| 69 | return (ext2fs_alloc_generic_bmap(fs, |
Theodore Ts'o | 67861e5 | 2011-12-16 11:24:23 -0500 | [diff] [blame^] | 70 | EXT2_ET_MAGIC_INODE_BITMAP64, |
| 71 | fs->default_bitmap_type, |
| 72 | start, end, real_end, descr, ret)); |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 73 | |
| 74 | /* Otherwise, check to see if the file system is small enough |
| 75 | * to use old-style 32-bit bitmaps */ |
| 76 | if ((end > ~0U) || (real_end > ~0U)) |
| 77 | return EXT2_ET_CANT_USE_LEGACY_BITMAPS; |
| 78 | |
Theodore Ts'o | a0553c9 | 2007-07-22 22:59:50 -0400 | [diff] [blame] | 79 | return (ext2fs_make_generic_bitmap(EXT2_ET_MAGIC_INODE_BITMAP, fs, |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 80 | start, end, real_end, |
| 81 | descr, 0, |
| 82 | (ext2fs_generic_bitmap *) ret)); |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs, |
| 86 | const char *descr, |
| 87 | ext2fs_block_bitmap *ret) |
| 88 | { |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 89 | __u64 start, end, real_end; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 90 | |
| 91 | EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); |
| 92 | |
| 93 | fs->write_bitmaps = ext2fs_write_bitmaps; |
| 94 | |
Theodore Ts'o | 94968e7 | 2011-06-10 17:55:09 -0400 | [diff] [blame] | 95 | start = EXT2FS_B2C(fs, fs->super->s_first_data_block); |
| 96 | end = EXT2FS_B2C(fs, ext2fs_blocks_count(fs->super)-1); |
Theodore Ts'o | 6a6337c | 2011-06-04 20:24:36 -0400 | [diff] [blame] | 97 | real_end = ((__u64) EXT2_CLUSTERS_PER_GROUP(fs->super) |
Valerie Aurora Henson | c5b7b6b | 2009-09-07 21:23:03 -0400 | [diff] [blame] | 98 | * (__u64) fs->group_desc_count)-1 + start; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 99 | |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 100 | if (fs->flags & EXT2_FLAG_64BITS) |
| 101 | return (ext2fs_alloc_generic_bmap(fs, |
Theodore Ts'o | 67861e5 | 2011-12-16 11:24:23 -0500 | [diff] [blame^] | 102 | EXT2_ET_MAGIC_BLOCK_BITMAP64, |
| 103 | fs->default_bitmap_type, |
| 104 | start, end, real_end, descr, ret)); |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 105 | |
| 106 | if ((end > ~0U) || (real_end > ~0U)) |
| 107 | return EXT2_ET_CANT_USE_LEGACY_BITMAPS; |
| 108 | |
Theodore Ts'o | a0553c9 | 2007-07-22 22:59:50 -0400 | [diff] [blame] | 109 | return (ext2fs_make_generic_bitmap(EXT2_ET_MAGIC_BLOCK_BITMAP, fs, |
| 110 | start, end, real_end, |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 111 | descr, 0, |
| 112 | (ext2fs_generic_bitmap *) ret)); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 113 | } |
| 114 | |
Theodore Ts'o | 94968e7 | 2011-06-10 17:55:09 -0400 | [diff] [blame] | 115 | /* |
| 116 | * ext2fs_allocate_block_bitmap() really allocates a per-cluster |
| 117 | * bitmap for backwards compatibility. This function allocates a |
| 118 | * block bitmap which is truly per-block, even if clusters/bigalloc |
| 119 | * are enabled. mke2fs and e2fsck need this for tracking the |
| 120 | * allocation of the file system metadata blocks. |
| 121 | */ |
| 122 | errcode_t ext2fs_allocate_subcluster_bitmap(ext2_filsys fs, |
| 123 | const char *descr, |
| 124 | ext2fs_block_bitmap *ret) |
| 125 | { |
| 126 | __u64 start, end, real_end; |
| 127 | ext2fs_generic_bitmap bmap; |
| 128 | errcode_t retval; |
| 129 | |
| 130 | EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); |
| 131 | |
| 132 | fs->write_bitmaps = ext2fs_write_bitmaps; |
| 133 | |
| 134 | if (!fs->cluster_ratio_bits) |
| 135 | return ext2fs_allocate_block_bitmap(fs, descr, ret); |
| 136 | |
| 137 | if ((fs->flags & EXT2_FLAG_64BITS) == 0) |
| 138 | return EXT2_ET_CANT_USE_LEGACY_BITMAPS; |
| 139 | |
| 140 | start = fs->super->s_first_data_block; |
| 141 | end = ext2fs_blocks_count(fs->super)-1; |
| 142 | real_end = ((__u64) EXT2_BLOCKS_PER_GROUP(fs->super) |
| 143 | * (__u64) fs->group_desc_count)-1 + start; |
| 144 | |
| 145 | retval = ext2fs_alloc_generic_bmap(fs, EXT2_ET_MAGIC_BLOCK_BITMAP64, |
Theodore Ts'o | 67861e5 | 2011-12-16 11:24:23 -0500 | [diff] [blame^] | 146 | fs->default_bitmap_type, start, |
Theodore Ts'o | 94968e7 | 2011-06-10 17:55:09 -0400 | [diff] [blame] | 147 | end, real_end, descr, &bmap); |
| 148 | if (retval) |
| 149 | return retval; |
| 150 | bmap->cluster_bits = 0; |
| 151 | *ret = bmap; |
| 152 | return 0; |
| 153 | } |
| 154 | |
| 155 | int ext2fs_get_bitmap_granularity(ext2fs_block_bitmap bitmap) |
| 156 | { |
| 157 | ext2fs_generic_bitmap bmap = bitmap; |
| 158 | |
| 159 | if (!EXT2FS_IS_64_BITMAP(bmap)) |
| 160 | return 0; |
| 161 | |
| 162 | return bmap->cluster_bits; |
| 163 | } |
| 164 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 165 | errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap, |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 166 | ext2_ino_t end, ext2_ino_t *oend) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 167 | { |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 168 | __u64 tmp_oend; |
| 169 | int retval; |
Theodore Ts'o | a0553c9 | 2007-07-22 22:59:50 -0400 | [diff] [blame] | 170 | |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 171 | retval = ext2fs_fudge_generic_bmap_end((ext2fs_generic_bitmap) bitmap, |
| 172 | EXT2_ET_FUDGE_INODE_BITMAP_END, |
| 173 | end, &tmp_oend); |
| 174 | if (oend) |
| 175 | *oend = tmp_oend; |
| 176 | return retval; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 177 | } |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 178 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 179 | errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap, |
| 180 | blk_t end, blk_t *oend) |
| 181 | { |
Theodore Ts'o | a0553c9 | 2007-07-22 22:59:50 -0400 | [diff] [blame] | 182 | return (ext2fs_fudge_generic_bitmap_end(bitmap, |
| 183 | EXT2_ET_MAGIC_BLOCK_BITMAP, |
| 184 | EXT2_ET_FUDGE_BLOCK_BITMAP_END, |
| 185 | end, oend)); |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 186 | } |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 187 | |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 188 | errcode_t ext2fs_fudge_block_bitmap_end2(ext2fs_block_bitmap bitmap, |
| 189 | blk64_t end, blk64_t *oend) |
| 190 | { |
| 191 | return (ext2fs_fudge_generic_bmap_end(bitmap, |
| 192 | EXT2_ET_FUDGE_BLOCK_BITMAP_END, |
| 193 | end, oend)); |
| 194 | } |
| 195 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 196 | void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap) |
| 197 | { |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 198 | ext2fs_clear_generic_bmap(bitmap); |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 199 | } |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 200 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 201 | void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap) |
| 202 | { |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 203 | ext2fs_clear_generic_bmap(bitmap); |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 204 | } |
Theodore Ts'o | 50448d3 | 2007-07-22 23:42:14 -0400 | [diff] [blame] | 205 | |
| 206 | errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end, |
| 207 | ext2fs_inode_bitmap bmap) |
| 208 | { |
| 209 | return (ext2fs_resize_generic_bitmap(EXT2_ET_MAGIC_INODE_BITMAP, |
| 210 | new_end, new_real_end, bmap)); |
| 211 | } |
| 212 | |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 213 | errcode_t ext2fs_resize_inode_bitmap2(__u64 new_end, __u64 new_real_end, |
| 214 | ext2fs_inode_bitmap bmap) |
| 215 | { |
| 216 | return (ext2fs_resize_generic_bmap(bmap, new_end, new_real_end)); |
| 217 | } |
| 218 | |
Theodore Ts'o | 50448d3 | 2007-07-22 23:42:14 -0400 | [diff] [blame] | 219 | errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end, |
| 220 | ext2fs_block_bitmap bmap) |
| 221 | { |
| 222 | return (ext2fs_resize_generic_bitmap(EXT2_ET_MAGIC_BLOCK_BITMAP, |
| 223 | new_end, new_real_end, bmap)); |
| 224 | } |
| 225 | |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 226 | errcode_t ext2fs_resize_block_bitmap2(__u64 new_end, __u64 new_real_end, |
| 227 | ext2fs_block_bitmap bmap) |
| 228 | { |
| 229 | return (ext2fs_resize_generic_bmap(bmap, new_end, new_real_end)); |
| 230 | } |
| 231 | |
Theodore Ts'o | 50448d3 | 2007-07-22 23:42:14 -0400 | [diff] [blame] | 232 | errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1, |
| 233 | ext2fs_block_bitmap bm2) |
| 234 | { |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 235 | return (ext2fs_compare_generic_bmap(EXT2_ET_NEQ_BLOCK_BITMAP, |
| 236 | bm1, bm2)); |
Theodore Ts'o | 50448d3 | 2007-07-22 23:42:14 -0400 | [diff] [blame] | 237 | } |
| 238 | |
| 239 | errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1, |
| 240 | ext2fs_inode_bitmap bm2) |
| 241 | { |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 242 | return (ext2fs_compare_generic_bmap(EXT2_ET_NEQ_INODE_BITMAP, |
| 243 | bm1, bm2)); |
Theodore Ts'o | 50448d3 | 2007-07-22 23:42:14 -0400 | [diff] [blame] | 244 | } |
| 245 | |
Theodore Ts'o | f1f115a | 2007-07-23 04:32:48 -0400 | [diff] [blame] | 246 | errcode_t ext2fs_set_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
| 247 | ext2_ino_t start, unsigned int num, |
| 248 | void *in) |
| 249 | { |
| 250 | return (ext2fs_set_generic_bitmap_range(bmap, |
| 251 | EXT2_ET_MAGIC_INODE_BITMAP, |
| 252 | start, num, in)); |
| 253 | } |
| 254 | |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 255 | errcode_t ext2fs_set_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
| 256 | __u64 start, size_t num, |
| 257 | void *in) |
| 258 | { |
| 259 | return (ext2fs_set_generic_bmap_range(bmap, start, num, in)); |
| 260 | } |
| 261 | |
Theodore Ts'o | f1f115a | 2007-07-23 04:32:48 -0400 | [diff] [blame] | 262 | errcode_t ext2fs_get_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
| 263 | ext2_ino_t start, unsigned int num, |
| 264 | void *out) |
| 265 | { |
| 266 | return (ext2fs_get_generic_bitmap_range(bmap, |
| 267 | EXT2_ET_MAGIC_INODE_BITMAP, |
| 268 | start, num, out)); |
| 269 | } |
| 270 | |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 271 | errcode_t ext2fs_get_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
| 272 | __u64 start, size_t num, |
| 273 | void *out) |
| 274 | { |
| 275 | return (ext2fs_get_generic_bmap_range(bmap, start, num, out)); |
| 276 | } |
| 277 | |
Theodore Ts'o | f1f115a | 2007-07-23 04:32:48 -0400 | [diff] [blame] | 278 | errcode_t ext2fs_set_block_bitmap_range(ext2fs_block_bitmap bmap, |
| 279 | blk_t start, unsigned int num, |
| 280 | void *in) |
| 281 | { |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 282 | return (ext2fs_set_generic_bitmap_range(bmap, |
Theodore Ts'o | f1f115a | 2007-07-23 04:32:48 -0400 | [diff] [blame] | 283 | EXT2_ET_MAGIC_BLOCK_BITMAP, |
| 284 | start, num, in)); |
| 285 | } |
| 286 | |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 287 | errcode_t ext2fs_set_block_bitmap_range2(ext2fs_block_bitmap bmap, |
| 288 | blk64_t start, size_t num, |
| 289 | void *in) |
| 290 | { |
| 291 | return (ext2fs_set_generic_bmap_range(bmap, start, num, in)); |
| 292 | } |
| 293 | |
Theodore Ts'o | f1f115a | 2007-07-23 04:32:48 -0400 | [diff] [blame] | 294 | errcode_t ext2fs_get_block_bitmap_range(ext2fs_block_bitmap bmap, |
| 295 | blk_t start, unsigned int num, |
| 296 | void *out) |
| 297 | { |
| 298 | return (ext2fs_get_generic_bitmap_range(bmap, |
| 299 | EXT2_ET_MAGIC_BLOCK_BITMAP, |
| 300 | start, num, out)); |
| 301 | } |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 302 | |
| 303 | errcode_t ext2fs_get_block_bitmap_range2(ext2fs_block_bitmap bmap, |
| 304 | blk64_t start, size_t num, |
| 305 | void *out) |
| 306 | { |
| 307 | return (ext2fs_get_generic_bmap_range(bmap, start, num, out)); |
| 308 | } |