errcode_t ext2fs_get_generic_bmap_range(ext2fs_generic_bitmap bmap,
__u64 start, unsigned int num,
void *out)
{
if (!bmap)
return EINVAL;
if (EXT2FS_IS_32_BITMAP(bmap)) {
if ((start+num-1) & ~0xffffffffULL) {
ext2fs_warn_bitmap2(bmap,
EXT2FS_UNMARK_ERROR, 0xffffffff);
return EINVAL;
}
return ext2fs_get_generic_bitmap_range(bmap, bmap->magic,
start, num, out);
}
if (!EXT2FS_IS_64_BITMAP(bmap))
return EINVAL;
return bmap->bitmap_ops->get_bmap_range(bmap, start, num, out);
}
void ext2fs_unmark_block_bitmap_range2(ext2fs_block_bitmap bmap,
blk64_t block, unsigned int num)
{
__u64 end = block + num;
if (!bmap)
return;
if (EXT2FS_IS_32_BITMAP(bmap)) {
if ((block+num-1) & ~0xffffffffULL) {
ext2fs_warn_bitmap2((ext2fs_generic_bitmap) bmap,
EXT2FS_UNMARK_ERROR, 0xffffffff);
return;
}
ext2fs_unmark_block_bitmap_range((ext2fs_generic_bitmap) bmap,
block, num);
}
if (!EXT2FS_IS_64_BITMAP(bmap))
return;
INC_STAT(bmap, unmark_ext_count);
/* convert to clusters if necessary */
block >>= bmap->cluster_bits;
end += (1 << bmap->cluster_bits) - 1;
end >>= bmap->cluster_bits;
num = end - block;
if ((block < bmap->start) || (block+num-1 > bmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_UNMARK, block,
bmap->description);
return;
}
bmap->bitmap_ops->unmark_bmap_extent(bmap, block, num);
}
int ext2fs_test_generic_bmap(ext2fs_generic_bitmap bitmap,
__u64 arg)
{
if (!bitmap)
return 0;
if (EXT2FS_IS_32_BITMAP(bitmap)) {
if (arg & ~0xffffffffULL) {
ext2fs_warn_bitmap2(bitmap, EXT2FS_TEST_ERROR,
0xffffffff);
return 0;
}
return ext2fs_test_generic_bitmap(bitmap, arg);
}
if (!EXT2FS_IS_64_BITMAP(bitmap))
return 0;
arg >>= bitmap->cluster_bits;
#ifdef BMAP_STATS_OPS
bitmap->stats.test_count++;
if (arg == bitmap->stats.last_tested + 1)
bitmap->stats.test_seq++;
if (arg < bitmap->stats.last_tested)
bitmap->stats.test_back++;
bitmap->stats.last_tested = arg;
#endif
if ((arg < bitmap->start) || (arg > bitmap->end)) {
warn_bitmap(bitmap, EXT2FS_TEST_ERROR, arg);
return 0;
}
return bitmap->bitmap_ops->test_bmap(bitmap, arg);
}
