lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Sat, 28 Apr 2012 12:33:15 -0600
From:	Matthew Wilcox <>
To:	Eric Sandeen <>
Cc:	"" <>,
	ext4 development <>,
	Andreas Dilger <>,
	Bernd Schubert <>
Subject: Re: [PATCH] vfs: allow custom EOF in generic_file_llseek code

On Fri, Apr 27, 2012 at 11:21:04AM -0500, Eric Sandeen wrote:
> As far as I know, this does not fix any bugs - nfs in the kernel
> doesn't use SEEK_END, and I don't know of any user who does.  But
> some ext4 folks seem keen on doing the right thing here, and I can't
> really argue.

I like it.  In particular it removes a lot of calls to i_size_read() which
may have some nice benefits on 32-bit systems.  

However, there is only one call to generic_file_llseek_size() in the
kernel (and it's in ext4!)  I would suggest simply changing the prototype
of generic_file_llseek_size ... or if you insist, just renaming it to

Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists