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From: Christian Schoenebeck <linux_oss@crudebyte.com>
To: Eric Van Hensbergen <ericvh@gmail.com>,
	Latchesar Ionkov <lucho@ionkov.net>,
	Dominique Martinet <asmadeus@codewreck.org>,
	Tyler Hicks <tyhicks@linux.microsoft.com>
Cc: Jianyong Wu <jianyong.wu@arm.com>,
	v9fs-developer@lists.sourceforge.net,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/5] 9p: Fix refcounting during full path walks for fid lookups
Date: Thu, 09 Jun 2022 14:44:04 +0200	[thread overview]
Message-ID: <7291261.iO0hoOTYzs@silver> (raw)
In-Reply-To: <20220607034110.GA7401@sequoia>

On Dienstag, 7. Juni 2022 05:41:10 CEST Tyler Hicks wrote:
> On 2022-06-01 16:28:49, Christian Schoenebeck wrote:
> > On Dienstag, 31. Mai 2022 16:28:29 CEST Tyler Hicks wrote:
> > > On 2022-05-30 19:14:43, Christian Schoenebeck wrote:
> > > > On Freitag, 27. Mai 2022 01:59:59 CEST Tyler Hicks wrote:
> > > > > Decrement the refcount of the parent dentry's fid after walking
> > > > > each path component during a full path walk for a lookup. Failure to
> > > > > do
> > > > > so can lead to fids that are not clunked until the filesystem is
> > > > > 
> > > > > unmounted, as indicated by this warning:
> > > > >  9pnet: found fid 3 not clunked
> > > > 
> > > > That explains why I saw so many fids not being clunked with recent
> > > > Linux
> > > > kernel versions while doing some 9p protocol debugging with QEMU
> > > > recently.
[...]
> 9p maintainers, is there anything else that I can help with to get this
> bug fix reviewed/merged? Thanks!

Dominique is the only active 9p maintainer for a while and barely has time for 
9p anymore (hint: implied call for volunteers hidden in this sentence).

Dominique, do you have a time slice for this issue? I agree that it makes 
sense to bring this issue forward.

Best regards,
Christian Schoenebeck



  reply	other threads:[~2022-06-09 12:44 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-26 23:59 [PATCH v2 0/5] 9p: Fix refcounting and improve readability in lookup Tyler Hicks
2022-05-26 23:59 ` [PATCH v2 1/5] 9p: Fix refcounting during full path walks for fid lookups Tyler Hicks
2022-05-30 17:14   ` Christian Schoenebeck
2022-05-31 14:28     ` Tyler Hicks
2022-06-01 14:28       ` Christian Schoenebeck
2022-06-07  3:41         ` Tyler Hicks
2022-06-09 12:44           ` Christian Schoenebeck [this message]
2022-06-11 12:46             ` Dominique Martinet
2022-06-11 23:17   ` Dominique Martinet
2022-06-13 19:38     ` Tyler Hicks
2022-05-27  0:00 ` [PATCH v2 2/5] 9p: Track the root fid with its own variable during lookups Tyler Hicks
2022-05-27  0:00 ` [PATCH v2 3/5] 9p: Make the path walk logic more clear about when cloning is required Tyler Hicks
2022-05-27  0:00 ` [PATCH v2 4/5] 9p: Remove unnecessary variable for old fids while walking from d_parent Tyler Hicks
2022-05-27  0:00 ` [PATCH v2 5/5] 9p: Fix minor typo in code comment Tyler Hicks

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