From: Al Viro <viro@zeniv.linux.org.uk>
To: David Howells <dhowells@redhat.com>
Cc: Dominique Martinet <asmadeus@codewreck.org>,
Luis Henriques <lhenriques@suse.de>,
Eric Van Hensbergen <ericvh@gmail.com>,
Latchesar Ionkov <lucho@ionkov.net>,
linux-fsdevel@vger.kernel.org,
v9fs-developer@lists.sourceforge.net
Subject: Re: What sort of inode state does ->evict_inode() expect to see? [was Re: 9p: fscache duplicate cookie]
Date: Wed, 12 May 2021 13:45:25 +0000 [thread overview]
Message-ID: <YJvb9S8uxV2X45Cu@zeniv-ca.linux.org.uk> (raw)
In-Reply-To: <2891612.1620824231@warthog.procyon.org.uk>
On Wed, May 12, 2021 at 01:57:11PM +0100, David Howells wrote:
> Hi Al,
>
> We're seeing cases where fscache is reporting cookie collisions that appears
> to be due to ->evict_inode() running parallel with a new inode for the same
> filesystem object getting set up.
Huh? Details, please. What we are guaranteed is that iget{,5}_locked() et.al.
on the same object will either prevent the call of ->evict_inode() (if they
manage to grab the sucker before I_FREEING is set) or will wait until after
->evict_inode() returns.
next prev parent reply other threads:[~2021-05-12 13:45 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-06 10:03 9p: fscache duplicate cookie Luis Henriques
2021-05-06 10:45 ` Dominique Martinet
2021-05-06 12:18 ` Luis Henriques
2021-05-07 16:36 ` Luis Henriques
2021-05-08 0:47 ` Dominique Martinet
2021-05-10 10:54 ` Luis Henriques
2021-05-10 11:47 ` Luis Henriques
2021-05-11 12:44 ` David Howells
2021-05-12 10:10 ` Luis Henriques
2021-05-11 12:53 ` David Howells
2021-05-11 12:38 ` David Howells
2021-05-12 10:07 ` Luis Henriques
2021-05-12 11:04 ` David Howells
2021-05-12 11:58 ` Luis Henriques
2021-05-12 12:26 ` Dominique Martinet
2021-05-12 12:57 ` What sort of inode state does ->evict_inode() expect to see? [was Re: 9p: fscache duplicate cookie] David Howells
2021-05-12 13:45 ` Al Viro [this message]
2021-05-12 14:12 ` David Howells
2021-05-14 16:10 ` Luis Henriques
2021-05-14 21:16 ` Dominique Martinet
2021-05-17 15:56 ` Luis Henriques
2021-05-17 17:39 ` Aneesh Kumar K.V
2021-05-12 11:09 ` 9p: fscache duplicate cookie David Howells
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