S_NOCMTIME
inode->i_flags |= S_NOCMTIME;
inode->i_flags |= S_NOATIME|S_NOCMTIME;
inode->i_flags |= S_NOCMTIME;
inode->i_flags |= S_NOATIME | S_NOCMTIME;
inode->i_flags |= S_NOCMTIME;
inode->i_flags |= S_NOCMTIME;
inode->i_flags |= S_SYNC | S_NOATIME | S_NOCMTIME;
inode->i_flags |= S_NOATIME | S_NOCMTIME;
#define IS_NOCMTIME(inode) ((inode)->i_flags & S_NOCMTIME)