bool create_bad_block_inode( PEXT2_FILESYS Ext2Sys,
PEXT2_BADBLK_LIST bb_list)
{
bool retval;
EXT2_INODE inode;
LARGE_INTEGER SysTime;
NtQuerySystemTime(&SysTime);
ext2_mark_inode_bitmap(Ext2Sys->inode_map, EXT2_BAD_INO);
Ext2Sys->group_desc[0].bg_free_inodes_count--;
Ext2Sys->ext2_sb->s_free_inodes_count--;
memset(&inode, 0, sizeof(EXT2_INODE));
inode.i_mode = (USHORT)((0777 & ~Ext2Sys->umask));
inode.i_uid = inode.i_gid = 0;
inode.i_blocks = 0;
inode.i_block[0] = 0;
inode.i_links_count = 2;
RtlTimeToSecondsSince1970(&SysTime, &inode.i_mtime);
inode.i_ctime = inode.i_atime = inode.i_mtime;
inode.i_size = 0;
retval = ext2_save_inode(Ext2Sys, EXT2_BAD_INO, &inode);
return retval;
}
bool ext2_reserve_inodes(PEXT2_FILESYS fs)
{
ULONG i;
int group;
for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->ext2_sb); i++)
{
ext2_mark_inode_bitmap(fs->inode_map, i);
group = ext2_group_of_ino(fs, i);
fs->group_desc[group].bg_free_inodes_count--;
fs->ext2_sb->s_free_inodes_count--;
}
return true;
}
void ext2_inode_alloc_stats2(PEXT2_FILESYS fs, ULONG ino,
int inuse, int isdir)
{
int group = ext2_group_of_ino(fs, ino);
if (inuse > 0)
ext2_mark_inode_bitmap(fs->inode_map, ino);
else
ext2_unmark_inode_bitmap(fs->inode_map, ino);
fs->group_desc[group].bg_free_inodes_count -= inuse;
if (isdir)
fs->group_desc[group].bg_used_dirs_count += inuse;
fs->ext2_sb->s_free_inodes_count -= inuse;
}