linux-kernel - Re: [rfc git patch] union directory

lists.openwall.net		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]

Message-ID: <20081201075953.GE3388@in.ibm.com>
Date:	Mon, 1 Dec 2008 13:29:53 +0530
From:	Bharata B Rao <bharata@...ux.vnet.ibm.com>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	linux-fsdevel@...r.kernel.org, jblunck@...e.de,
	dlezcano@...ibm.com, linux-kernel@...r.kernel.org,
	viro@...IV.linux.org.uk
Subject: Re: [rfc git patch] union directory

On Mon, Dec 01, 2008 at 10:05:09AM +0530, Bharata B Rao wrote:
> On Sat, Nov 29, 2008 at 05:33:19PM +0100, Miklos Szeredi wrote:
> > On Fri, 28 Nov 2008, Bharata B Rao wrote:
> > 
> > The plan is to get a simple kernel implementation first which caches
> > the directory in 'struct file'.
> 
> FYI, I did this for a version of Union Mount.
> (http://lkml.org/lkml/2007/6/20/21) I was maintaining the readdir cache in
> struct file and the cache was persistant across readdir calls.
> 
> Do you have anything different in mind ?

The version pointed to by me above had the entire cache stored
in the struct file of the topmost directory. I guess your plan
is to cache them per branch and combine them during
readdir()/getdents() ?

Regards,
Bharata.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/