From: "J. Bruce Fields" <bfields@fieldses.org>
To: Neil Brown <neilb@suse.de>
Cc: linux-nfs@vger.kernel.org
Subject: Re: [PATCH 1/7] sunrpc: fix race in new cache_wait code.
Date: Thu, 23 Sep 2010 10:46:47 -0400 [thread overview]
Message-ID: <20100923144647.GD1054@fieldses.org> (raw)
In-Reply-To: <20100923032540.GA13554@fieldses.org>
On Wed, Sep 22, 2010 at 11:25:40PM -0400, J. Bruce Fields wrote:
> On Thu, Sep 23, 2010 at 01:00:02PM +1000, Neil Brown wrote:
> > How about this.
> > It gets rid of the return values (which were confusing anyway) and adds
> > explicit checks on CAHCE_PENDING where needed.
> > ??
>
> Thanks, I'll take a look in the morning when my head's (hopefully)
> clearer.
Looks reasonable to me on a quick skim.
> > Also, I noticed there is a race with the call to cache_limit_defers. The
> > 'dreq' could be freed before that is called.
> >
> > It looks like I need to resubmit a lot of this - do you want to just discard
> > it all from your -next and I'll make something new?
>
> I'm trying very hard not to rewind -next; so I'd prefer incremental
> patches for anything already there, replacements for the rest.
But I'll wait for a new series. Thanks!
--b.
next prev parent reply other threads:[~2010-09-23 14:48 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-22 2:55 [PATCH 0/7] Assorted nfsd patches for 2.6.37 NeilBrown
2010-09-22 2:55 ` [PATCH 1/7] sunrpc: fix race in new cache_wait code NeilBrown
2010-09-22 17:50 ` J. Bruce Fields
2010-09-23 3:00 ` Neil Brown
2010-09-23 3:25 ` J. Bruce Fields
2010-09-23 14:46 ` J. Bruce Fields [this message]
2010-10-01 23:09 ` J. Bruce Fields
2010-10-02 0:12 ` Neil Brown
2010-09-22 2:55 ` [PATCH 2/7] sunrpc/cache: fix recent breakage of cache_clean_deferred NeilBrown
[not found] ` <20100922025506.31745.74964.stgit-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2010-09-22 18:27 ` J. Bruce Fields
2010-09-22 2:55 ` [PATCH 4/7] sunrpc/cache: centralise handling of size limit on deferred list NeilBrown
[not found] ` <20100922025507.31745.61919.stgit-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2010-09-22 18:31 ` J. Bruce Fields
2010-09-23 3:02 ` Neil Brown
2010-09-22 2:55 ` [PATCH 3/7] sunrpc/cache: change deferred-request hash table to use hlist NeilBrown
2010-09-22 2:59 ` J. Bruce Fields
2010-09-22 4:51 ` Neil Brown
2010-09-22 2:55 ` [PATCH 5/7] sunrpc/cache: allow thread manager more control of whether threads can wait for upcalls NeilBrown
2010-09-22 18:36 ` J. Bruce Fields
2010-09-23 3:23 ` Neil Brown
2010-09-22 2:55 ` [PATCH 6/7] nfsd: formally deprecate legacy nfsd syscall interface NeilBrown
[not found] ` <20100922025507.31745.57024.stgit-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2010-09-22 3:10 ` J. Bruce Fields
2010-09-22 2:55 ` [PATCH 7/7] nfsd: allow deprecated interface to be compiled out NeilBrown
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=20100923144647.GD1054@fieldses.org \
--to=bfields@fieldses.org \
--cc=linux-nfs@vger.kernel.org \
--cc=neilb@suse.de \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).