linux-kernel - Re: [Q] missing unused dentry in prune

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 for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <24249.1161951081@redhat.com>
Date:	Fri, 27 Oct 2006 13:11:21 +0100
From:	David Howells <dhowells@...hat.com>
To:	Vasily Averin <vvs@...ru>
Cc:	Neil Brown <neilb@...e.de>, Jan Blunck <jblunck@...e.de>,
	Olaf Hering <olh@...e.de>, Balbir Singh <balbir@...ibm.com>,
	Kirill Korotaev <dev@...nvz.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	devel@...nvz.org, Andrew Morton <akpm@...l.org>
Subject: Re: [Q] missing unused dentry in prune_dcache()? 

Vasily Averin <vvs@...ru> wrote:

> > Vasily Averin <vvs@...ru> wrote:
> >> Therefore I believe that my patch is optimal solution.
> > I'm not sure that prune_dcache() is particularly optimal.
> 
> I means that my patch is optimal for problem in subject.

I didn't say it wasn't.

> I would like to ask you to approve it and we will go to next issue.

I did ack it didn't I?  I must fix my mail client so that it doesn't
automatically remove my email address from the To/Cc fields when I'm replying
to a message:-/

> We have seen that umount (and remount) can work very slowly, it was cycled
> inside shrink_dcache_sb() up to several hours with taken s_umount semaphore.

umount at least should be fixed as that should no longer use
shrink_dcache_sb().

> We are trying to resolve this issue by using per-sb lru list. I'm preparing
> the patch for 2.6.19-rc3 right now and going to send it soon.

That sounds tricky; you have to check all your LRU lists to find the LRU
dentry.

David
-
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/