Re: move O_LARGEFILE forcing to filp_open()

[William Lee Irwin III <wli@holomorphy.com>]

On Sun, Jul 04, 2004 at 07:49:00PM +0200, Arnd Bergmann wrote:
>> At first sight, it looks like (filp->f_flags & O_LARGEFILE) will always
>> be true after calling filp_open, but I don't have time to look closer
>> today.

On Sun, Jul 04, 2004 at 10:52:02AM -0700, William Lee Irwin III wrote:
> Quite right.
[...]
> +			if (!(flags & O_LARGEFILE) &&
> +				i_size_read(f->f_dentry->d_inode) > MAX_NON_LFS) {
> +				error = -EFBIG;
> +				filp_close(f, current->files);
> +				goto out_error;
> +			}

With my stuff, the compat_sys_open() patch, and the compat_sys_open()
MAX_NON_LFS patch in place, things pass quick manual backward
compatibility testing (basically, one small app that does open() of a
large file sees the right results with and without O_LARGEFILE where it
didn't before).

-- wli