From: Tommi Virtanen <tv-nospam-32a552@debian.org>
To: chip@valinux.com (Chip Salzenberg)
Cc: linux-kernel@vger.kernel.org
Subject: Re: [RFC] sane access to per-fs metadata (was Re: [PATCH] Documentation/ioctl-number.txt)
Date: 10 Apr 2001 10:51:40 +0300 [thread overview]
Message-ID: <87snjh6vlf.fsf@ki.yok.utu.fi> (raw)
In-Reply-To: <E14jdkF-0007Ps-00@tytlal> <E14kAK3-0008UM-00@tytlal>
In-Reply-To: <E14kAK3-0008UM-00@tytlal>
chip@valinux.com (Chip Salzenberg) writes:
> AFAIK, Alex Viro's idea of bindable namespaces provides effective
> transaction support *ONLY* if there are per-process bindings. With
> per-process bindings, each client that opens a connection does so
> through a distinct binding; when that client's responses go back
> through the same binding, only that client can see them.
Not really. We can both open /proc/partitions, read one char at a
time, and the kernel won't confuse our read positions. Different
file opens create different instances of state. See struct file,
void *private_data for how to store arbitrary data.
--
tv@{{hq.yok.utu,havoc,gaeshido}.fi,{debian,wanderer}.org,stonesoft.com}
unix, linux, debian, networks, security, | First snow, then silence.
kernel, TCP/IP, C, perl, free software, | This thousand dollar screen dies
mail, www, sw devel, unix admin, hacks. | so beautifully.
next prev parent reply other threads:[~2001-04-10 7:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-23 16:56 [RFC] sane access to per-fs metadata (was Re: [PATCH] Documentation/ioctl-number.txt) Bryan Henderson
2001-03-23 17:16 ` Matthew Wilcox
2001-03-23 18:28 ` Alexander Viro
2001-03-23 17:35 ` Pjotr Kourzanoff
2001-04-01 9:01 ` Chip Salzenberg
2001-04-01 11:48 ` [RFC] sane access to per-fs metadata (was Re: [PATCH] Documentatio Kai Henningsen
2001-04-01 12:50 ` [RFC] sane access to per-fs metadata (was Re: [PATCH] Documentation/ioctl-number.txt) Keith Owens
2001-04-02 19:49 ` Chip Salzenberg
2001-04-10 7:51 ` Tommi Virtanen [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-03-22 22:06 [PATCH] Documentation/ioctl-number.txt Dave Kleikamp
2001-03-22 23:07 ` [RFC] sane access to per-fs metadata (was Re: [PATCH] Documentation/ioctl-number.txt) Alexander Viro
2001-03-23 6:00 ` Andreas Dilger
2001-03-23 12:06 ` Alexander Viro
2001-03-23 14:45 ` Eric W. Biederman
2001-03-23 16:15 ` [RFC] sane access to per-fs metadata (was Re: [PATCH]Documentation/ioctl-number.txt) Dave Kleikamp
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