From: Al Viro <viro@ftp.linux.org.uk>
To: Avi Kivity <avi@argo.co.il>
Cc: Josef Sipek <jsipek@fsl.cs.sunysb.edu>,
lkml@pengaru.com, linux-kernel@vger.kernel.org
Subject: Re: rename() contention (BUG?)
Date: Thu, 26 Oct 2006 20:22:20 +0100 [thread overview]
Message-ID: <20061026192219.GL29920@ftp.linux.org.uk> (raw)
In-Reply-To: <454101D6.9050004@argo.co.il>
On Thu, Oct 26, 2006 at 08:43:34PM +0200, Avi Kivity wrote:
> The changes make the mutex more efficient, but won't decrease the
> contention. It seems that all renames in one filesystem are serialized,
> and if the renames require I/O (which is certainly the case with nfs),
> rename throughput is severely limited.
They are, and for a good reason. For details see
Documentation/filesystems/directory-locking.
next prev parent reply other threads:[~2006-10-26 19:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-25 20:56 rename() contention (BUG?) lkml
2006-10-25 21:13 ` Josef Sipek
2006-10-26 18:43 ` Avi Kivity
2006-10-26 19:22 ` Al Viro [this message]
2006-10-26 21:19 ` Avi Kivity
2006-10-26 21:37 ` Al Viro
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