From: Christoph Rohland <cr@sap.com>
To: Ingo Oeser <ingo.oeser@informatik.tu-chemnitz.de>
Cc: "David L. Parsley" <parsley@linuxjedi.org>,
linux-kernel@vger.kernel.org, viro@math.psu.edu
Subject: Re: hundreds of mount --bind mountpoints?
Date: 23 Apr 2001 16:54:02 +0200 [thread overview]
Message-ID: <m3d7a3r7jp.fsf@linux.local> (raw)
In-Reply-To: <3AE307AD.821AB47C@linuxjedi.org> <m3r8yjrgdc.fsf@linux.local> <20010423151753.C719@nightmaster.csn.tu-chemnitz.de>
In-Reply-To: <20010423151753.C719@nightmaster.csn.tu-chemnitz.de>
Hi Ingo,
On Mon, 23 Apr 2001, Ingo Oeser wrote:
> On Mon, Apr 23, 2001 at 01:43:27PM +0200, Christoph Rohland wrote:
>> On Sun, 22 Apr 2001, David L. Parsley wrote:
>> > attach packages inside it. Since symlinks in a tmpfs filesystem
>> > cost 4k each (ouch!), I'm considering using mount --bind for
>> > everything.
>>
>> What about fixing tmpfs instead?
>
> The question is: How? If you do it like ramfs, you cannot swap
> these symlinks and this is effectively a mlock(symlink) operation
> allowed for normal users. -> BAD!
How about storing it into the inode structure if it fits into the
fs-private union? If it is too big we allocate the page as we do it
now. The union has 192 bytes. This should be sufficient for most
cases.
Greetings
Christoph
next prev parent reply other threads:[~2001-04-23 15:11 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 [this message]
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
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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