From: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
To: Bernd Schubert
<bernd.schubert-mPn0NPGs4xGatNDF+KUbs4QuADTiUCJX@public.gmane.org>
Cc: linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
yong.fan-KloliPT79xf2eFz/2MeuCQ@public.gmane.org,
adilger-KloliPT79xf2eFz/2MeuCQ@public.gmane.org,
tytso-3s7WtUTddSA@public.gmane.org
Subject: Re: [PATCH 3/3] nfsd: vfs_llseek() with O_32BITHASH or O_64BITHASH
Date: Wed, 27 Jul 2011 17:03:44 -0400 [thread overview]
Message-ID: <20110727210344.GC9066@infradead.org> (raw)
In-Reply-To: <20110727110259.204979.56782.stgit-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
On Wed, Jul 27, 2011 at 01:02:59PM +0200, Bernd Schubert wrote:
> Use 32-bit or 64-bit llseek() hashes for directory offsets depending on
> the NFS version. NFSv2 gets 32-bit hashes only.
Independent of the O_ vs FMODE thing make sure you pass the correct
flag at open time, instead of racy runtime modifications.
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WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@infradead.org>
To: Bernd Schubert <bernd.schubert@itwm.fraunhofer.de>
Cc: linux-nfs@vger.kernel.org, linux-ext4@vger.kernel.org,
linux-fsdevel@vger.kernel.org, yong.fan@whamcloud.com,
adilger@whamcloud.com, tytso@mit.edu
Subject: Re: [PATCH 3/3] nfsd: vfs_llseek() with O_32BITHASH or O_64BITHASH
Date: Wed, 27 Jul 2011 17:03:44 -0400 [thread overview]
Message-ID: <20110727210344.GC9066@infradead.org> (raw)
In-Reply-To: <20110727110259.204979.56782.stgit@localhost.localdomain>
On Wed, Jul 27, 2011 at 01:02:59PM +0200, Bernd Schubert wrote:
> Use 32-bit or 64-bit llseek() hashes for directory offsets depending on
> the NFS version. NFSv2 gets 32-bit hashes only.
Independent of the O_ vs FMODE thing make sure you pass the correct
flag at open time, instead of racy runtime modifications.
next prev parent reply other threads:[~2011-07-27 21:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-27 11:02 [PATCH 0/3] 32/64 bit llseek hashes Bernd Schubert
[not found] ` <20110727110148.204979.49551.stgit-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2011-07-27 11:02 ` [PATCH 1/3] Return 32/64-bit dir name hash according to usage type Bernd Schubert
2011-07-27 11:02 ` Bernd Schubert
[not found] ` <20110727110249.204979.58769.stgit-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2011-07-27 21:02 ` Christoph Hellwig
2011-07-27 21:02 ` Christoph Hellwig
2011-07-28 20:04 ` Bernd Schubert
2011-07-27 11:02 ` [PATCH 2/3] Remove check for a 32-bit cookie in nfsd4_readdir() Bernd Schubert
2011-07-27 11:02 ` Bernd Schubert
2011-07-27 11:02 ` [PATCH 3/3] nfsd: vfs_llseek() with O_32BITHASH or O_64BITHASH Bernd Schubert
[not found] ` <20110727110259.204979.56782.stgit-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2011-07-27 21:03 ` Christoph Hellwig [this message]
2011-07-27 21:03 ` Christoph Hellwig
2011-07-28 9:19 ` Bernd Schubert
2011-07-28 11:46 ` Christoph Hellwig
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