From: Christoph Hellwig <hch@ns.caldera.de>
To: ingo.oeser@informatik.tu-chemnitz.de (Ingo Oeser)
Cc: Alexander Viro <viro@math.psu.edu>,
Christoph Rohland <cr@sap.com>,
"David L. Parsley" <parsley@linuxjedi.org>,
linux-kernel@vger.kernel.org
Subject: Re: hundreds of mount --bind mountpoints?
Date: Mon, 23 Apr 2001 22:56:16 +0200 [thread overview]
Message-ID: <200104232056.WAA08894@ns.caldera.de> (raw)
In-Reply-To: <20010423224505.H719@nightmaster.csn.tu-chemnitz.de>
In article <20010423224505.H719@nightmaster.csn.tu-chemnitz.de> you wrote:
> Last time we suggested this, people ended up with some OS trying
> it and getting worse performance.
Which OS? Neither BSD nor SVR4/SVR5 (or even SVR3) do that.
> Why? You need to allocate the VFS-inode (vnode in other OSs) and
> the on-disk-inode anyway at the same time. You get better
> performance and less fragmentation, if you allocate them both
> together[1].
Because having an union in generic code that includes filesystem-specific
memebers is ugly? It's one of those a little more performance for a lot of
bad style optimizations.
Christoph
--
Of course it doesn't work. We've performed a software upgrade.
Whip me. Beat me. Make me maintain AIX.
next prev parent reply other threads:[~2001-04-23 20:57 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-22 16:32 hundreds of mount --bind mountpoints? David L. Parsley
2001-04-22 16:41 ` Alexander Viro
2001-04-23 11:43 ` Christoph Rohland
2001-04-23 13:17 ` Ingo Oeser
2001-04-23 14:54 ` Christoph Rohland
2001-04-23 15:23 ` Ingo Oeser
2001-04-23 15:36 ` Alexander Viro
2001-04-23 20:45 ` Ingo Oeser
2001-04-23 20:56 ` Christoph Hellwig [this message]
2001-04-23 22:00 ` Ingo Oeser
2001-04-23 22:10 ` Alexander Viro
2001-04-23 21:19 ` Richard Gooch
2001-04-23 22:42 ` Albert D. Cahalan
2001-04-23 22:49 ` Richard Gooch
2001-04-23 23:07 ` Alexander Viro
2001-04-23 23:13 ` Richard Gooch
2001-04-23 23:24 ` Rik van Riel
2001-04-23 22:47 ` Andreas Dilger
2001-04-24 1:37 ` Jan Harkes
2001-04-24 2:53 ` Alexander Viro
2001-04-24 9:58 ` David Woodhouse
2001-04-24 10:07 ` Alexander Viro
2001-04-24 10:19 ` David Woodhouse
2001-04-24 10:35 ` Christoph Rohland
2001-04-24 10:54 ` Alexander Viro
2001-04-24 12:51 ` David Woodhouse
2001-04-24 13:34 ` Christoph Rohland
2001-04-24 16:52 ` David L. Parsley
2001-05-05 7:48 ` [Patch] inline symlinks for tmpfs Christoph Rohland
2001-05-04 19:17 ` [Patch] encapsulate shmem access to shmem_inode_info Christoph Rohland
[not found] ` <3AF405FC.11D37FEB@bellsouth.net>
2001-05-06 13:58 ` [Resend] Collection of tmpfs patches Christoph Rohland
2001-04-24 16:04 ` Can't read SCSI TAPE Masaki Tsuji
2001-04-24 18:36 ` hundreds of mount --bind mountpoints? Andreas Dilger
2001-04-24 18:49 ` Alexander Viro
2001-04-24 19:11 ` Andreas Dilger
2001-04-24 22:01 ` Ingo Oeser
2001-04-24 21:59 ` Trond Myklebust
2001-04-24 22:09 ` Alexander Viro
2001-04-24 22:31 ` Trond Myklebust
2001-04-24 6:33 ` Christoph Rohland
2001-04-23 14:08 ` David L. Parsley
2001-04-23 14:14 ` Alexander Viro
-- strict thread matches above, loose matches on Subject: below --
2001-04-24 0:16 Ed Tomlinson
2001-04-24 3:56 ` Andreas Dilger
2001-04-24 10:01 ` Alexander Viro
2001-04-24 13:27 ` Erik Mouw
2001-04-24 18:47 ` Andreas Dilger
2001-04-24 18:52 ` Alexander Viro
2001-04-24 20:45 ` Erik Mouw
2001-04-25 7:25 ` Christoph Rohland
2001-04-25 18:39 ` Andreas Dilger
2001-04-25 18:47 ` Alexander Viro
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