From: David Howells <dhowells@redhat.com>
To: Luis Henriques <lhenriques@suse.de>
Cc: dhowells@redhat.com, Dominique Martinet <asmadeus@codewreck.org>,
Eric Van Hensbergen <ericvh@gmail.com>,
Latchesar Ionkov <lucho@ionkov.net>,
linux-fsdevel@vger.kernel.org,
v9fs-developer@lists.sourceforge.net
Subject: Re: 9p: fscache duplicate cookie
Date: Tue, 11 May 2021 13:53:56 +0100 [thread overview]
Message-ID: <2508766.1620737636@warthog.procyon.org.uk> (raw)
In-Reply-To: <875yzq270z.fsf@suse.de>
Luis Henriques <lhenriques@suse.de> wrote:
> I've just done a quick experiment: moving the call to function
> v9fs_cache_inode_put_cookie() in v9fs_evict_inode() to the beginning
> (before truncate_inode_pages_final()) and it seems to, at least, narrow
> the window -- I'm not able to reproduce the issue anymore. But I'll need
> to look closer.
The cookie needs to be relinquished after the pagecache has been cleared such
that any outstanding writes have been dealt with as ->invalidatepage() may
refer to the cookie in order to ditch references to pages.
David
next prev parent reply other threads:[~2021-05-11 12:54 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 [this message]
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
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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