From: Al Viro <viro@ZenIV.linux.org.uk>
To: Alessio Igor Bogani <abogani@texware.it>
Cc: Ingo Molnar <mingo@elte.hu>,
Frederic Weisbecker <fweisbec@gmail.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
LKML <linux-kernel@vger.kernel.org>,
Jonathan Corbet <corbet@lwn.net>
Subject: Re: [PATCH -tip] remove the BKL: Replace BKL in mount/umount syscalls with a mutex
Date: Fri, 17 Apr 2009 00:49:57 +0100 [thread overview]
Message-ID: <20090416234957.GE26366@ZenIV.linux.org.uk> (raw)
In-Reply-To: <1239892078-6039-1-git-send-email-abogani@texware.it>
On Thu, Apr 16, 2009 at 04:27:58PM +0200, Alessio Igor Bogani wrote:
> Replace ths BKL in sys_mount()/sys_umount() syscalls with a regular mutex.
NAK. Push BKL into instances if you care and deal with those one by one.
New and unwarranted system-wide exclusion around hell knows what code
(we *are* talking about the stuff that is very likely to do at least some
IO, dependent on fs internals, phase of moon and amount of farting gnats
in the vicinity) is right out.
prev parent reply other threads:[~2009-04-16 23:50 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-16 14:27 [PATCH -tip] remove the BKL: Replace BKL in mount/umount syscalls with a mutex Alessio Igor Bogani
2009-04-16 14:36 ` Christoph Hellwig
2009-04-16 16:49 ` Ingo Molnar
2009-04-16 17:01 ` Christoph Hellwig
2009-04-16 17:13 ` Ingo Molnar
2009-04-17 0:05 ` Al Viro
2009-04-16 16:06 ` Ingo Molnar
2009-04-16 16:58 ` Ingo Molnar
2009-04-16 23:56 ` Al Viro
2009-04-17 0:01 ` Ingo Molnar
2009-04-17 0:13 ` Al Viro
2009-04-17 0:27 ` Ingo Molnar
2009-04-17 0:38 ` Al Viro
2009-04-17 16:56 ` Ingo Molnar
2009-04-17 17:04 ` Peter Zijlstra
2009-04-17 17:21 ` Linus Torvalds
2009-04-17 17:31 ` Jonathan Corbet
2009-04-17 18:03 ` Linus Torvalds
2009-04-17 18:44 ` Matthew Wilcox
2009-04-22 17:28 ` J. Bruce Fields
2009-04-17 18:08 ` Al Viro
2009-04-17 18:34 ` Ingo Molnar
2009-04-17 17:41 ` Al Viro
2009-04-17 17:34 ` Al Viro
2009-04-16 23:49 ` Al Viro [this message]
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