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From: Robert Love <rml@tech9.net>
To: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Alexander Viro <viro@math.psu.edu>,
	Linus Torvalds <torvalds@transmeta.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 2.5: push BKL out of llseek
Date: 30 Jan 2002 08:39:12 -0500	[thread overview]
Message-ID: <1012397957.3219.27.camel@phantasy> (raw)
In-Reply-To: <shs3d0oi7zp.fsf@charged.uio.no>
In-Reply-To: <Pine.GSO.4.21.0201292349260.11157-100000@weyl.math.psu.edu>  <shs3d0oi7zp.fsf@charged.uio.no>

On Wed, 2002-01-30 at 03:00, Trond Myklebust wrote:

>> " " == Alexander Viro <viro@math.psu.edu> writes:
> 
>      > So I'd prefer to do it in two stages - shift BKL into
>      > ->llseek() and then see where it can be dropped/replaced with
>      > ->i_sem.
> 
> Seconded. There are several filesystems out there for which i_sem does
> nothing to protect inode->i_size.

Then the first patch is the way to go.  We know generic_file_llseek is
safe and perhaps a few other of the llseek methods.  The remaining can
explicitly grab the bkl on their own, as Al suggested.

	Robert Love


  reply	other threads:[~2002-01-30 13:33 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-01-30  0:00 [PATCH] 2.5: push BKL out of llseek Robert Love
2002-01-30  0:09 ` Linus Torvalds
2002-01-30  0:41   ` Robert Love
2002-01-30  0:52     ` Linus Torvalds
2002-01-30  2:24       ` Robert Love
2002-01-30  1:26     ` Andrew Morton
2002-01-30  2:16       ` Linus Torvalds
2002-01-30  2:20       ` Robert Love
2002-01-30  2:20         ` Andrew Morton
2002-01-30  2:21         ` Dave Jones
2002-01-30  2:37           ` Robert Love
2002-01-30  2:50         ` Nigel Gamble
2002-01-30  3:19           ` Andrew Morton
2002-01-30  9:34             ` Nigel Gamble
2002-01-30 10:36         ` Russell King
2002-01-30  4:54   ` Alexander Viro
2002-01-30  8:00     ` Trond Myklebust
2002-01-30 13:39       ` Robert Love [this message]
2002-01-30  4:50 ` Anton Blanchard
2002-01-30  5:03 ` Robert Love
  -- strict thread matches above, loose matches on Subject: below --
2002-01-30 21:14 Martin Wirth
2002-01-31 15:39 Martin Wirth
2002-01-31 21:06 ` Nigel Gamble
2002-02-01 19:29 John Hawkes

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