All of lore.kernel.org
 help / color / mirror / Atom feed
From: Matthew Wilcox <matthew@wil.cx>
To: Max Kellermann <mk@cm4all.com>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fs/namei: waiting for mutex during name lookups is "killable"
Date: Mon, 28 Nov 2011 05:19:37 -0700	[thread overview]
Message-ID: <20111128121936.GR4387@parisc-linux.org> (raw)
In-Reply-To: <20111128113918.23050.25938.stgit@rabbit.intern.cm-ag>

On Mon, Nov 28, 2011 at 12:39:18PM +0100, Max Kellermann wrote:
> Use mutex_lock_killable() instead of mutex_lock() during name lookups,
> to allow killing the process while it's waiting.

This is cool.  Could you describe what situations this mutex gets held
for a user-noticable length of time, and how you tested this patch?

-- 
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."

  reply	other threads:[~2011-11-28 12:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-28 11:39 [PATCH] fs/namei: waiting for mutex during name lookups is "killable" Max Kellermann
2011-11-28 12:19 ` Matthew Wilcox [this message]
2011-11-28 12:30   ` Max Kellermann

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20111128121936.GR4387@parisc-linux.org \
    --to=matthew@wil.cx \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mk@cm4all.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.