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From: William Lee Irwin III <wli@holomorphy.com>
To: Arnd Bergmann <arnd@arndb.de>,
	linux-kernel@vger.kernel.org, akpm@osdl.org, hugh@veritas.com
Subject: Re: move O_LARGEFILE forcing to filp_open()
Date: Sun, 4 Jul 2004 11:42:03 -0700	[thread overview]
Message-ID: <20040704184203.GM21066@holomorphy.com> (raw)
In-Reply-To: <20040704175202.GL21066@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

      reply	other threads:[~2004-07-04 18:42 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-04  6:41 move O_LARGEFILE forcing to filp_open() William Lee Irwin III
2004-07-04  6:44 ` force O_LARGEFILE in sys_swapon() and sys_swapoff() William Lee Irwin III
2004-07-04 19:21   ` Hugh Dickins
2004-07-04 19:31     ` William Lee Irwin III
2004-07-04 12:22 ` move O_LARGEFILE forcing to filp_open() Arnd Bergmann
2004-07-04 16:15   ` William Lee Irwin III
2004-07-04 17:22     ` Arnd Bergmann
2004-07-04 17:27       ` William Lee Irwin III
2004-07-04 17:27         ` William Lee Irwin III
2004-07-04 17:38           ` William Lee Irwin III
2004-07-04 17:49             ` Arnd Bergmann
2004-07-04 17:52               ` William Lee Irwin III
2004-07-04 18:42                 ` William Lee Irwin III [this message]

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