errcode_t ext2fs_get_block_bitmap_range(ext2fs_block_bitmap bmap,
blk_t start, unsigned int num,
void *out)
{
return (ext2fs_get_generic_bitmap_range(bmap,
EXT2_ET_MAGIC_BLOCK_BITMAP,
start, num, out));
}
errcode_t ext2fs_get_inode_bitmap_range(ext2fs_inode_bitmap bmap,
ext2_ino_t start, unsigned int num,
void *out)
{
return (ext2fs_get_generic_bitmap_range(bmap,
EXT2_ET_MAGIC_INODE_BITMAP,
start, num, out));
}
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) & ~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);
}
