From: erik quanstrom <quanstro@coraid.com>
To: 9fans@9fans.net
Subject: Re: [9fans] venti
Date: Fri, 9 Jan 2009 17:27:34 -0500 [thread overview]
Message-ID: <03e636be1abb554405edfb40633dca51@coraid.com> (raw)
In-Reply-To: <10594.1231539507@lunacy.ugrad.cs.cmu.edu>
> I seem to recall being surprised at some point to observe
> /dev/sdXX/data silently imposing a one-open-at-a-time policy
> (I think subsequent opens stalled). Maybe a script run at
> system boot time could turn on DMEXCL for appropriate things
> in /dev/sd*/*?
i think you mean the raw file.
; cat fu.c
#include <u.h>
#include <libc.h>
void
main(void)
{
int i, fd[2];
for(i = 0; i < nelem(fd); i++){
fd[i] = open("/dev/sdC0/data", OREAD);
print("fd = %d\n", fd[i]);
}
exits("");
}
; 8c fu.c && 8l fu.8 && 8.out
3
4
- erik
next prev parent reply other threads:[~2009-01-09 22:27 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-09 8:20 Tharaneedharan Vilwanathan
2009-01-09 9:44 ` Sape Mullender
2009-01-09 12:18 ` Richard Miller
2009-01-09 12:38 ` Sape Mullender
2009-01-09 13:39 ` erik quanstrom
2009-01-09 20:11 ` Dave Eckhardt
2009-01-09 20:27 ` erik quanstrom
2009-01-09 22:18 ` Dave Eckhardt
2009-01-09 22:27 ` erik quanstrom [this message]
2009-01-09 20:34 ` Steve Simon
2009-01-09 21:08 ` Roman V. Shaposhnik
-- strict thread matches above, loose matches on Subject: below --
2007-10-04 1:51 Russ Cox
2007-10-07 20:51 ` Steve Simon
2007-07-03 4:58 [9fans] Venti Lucio De Re
2007-03-30 16:32 [9fans] venti Steve Simon
2003-02-06 1:11 Kenji Arisawa
2003-02-06 1:21 ` Russ Cox
2002-11-29 18:59 Russ Cox
2002-11-29 18:27 Russ Cox
2002-06-13 20:58 [9fans] bug or a feature? Dan Cross
2002-06-13 21:34 ` Tharaneedharan Vilwanathan
2002-06-13 22:51 ` [9fans] venti Tharaneedharan Vilwanathan
2002-06-14 2:19 ` Sean Quinlan
2002-06-14 5:05 ` Tharaneedharan Vilwanathan
2002-01-30 20:35 George Michaelson
[not found] <rob@plan9.bell-labs.com>
2002-01-30 5:52 ` rob pike
2002-01-30 6:23 ` George Michaelson
2002-01-30 8:07 ` paurea
2002-01-30 11:17 ` Boyd Roberts
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