linux-kernel - Re: [PATCH 00/27] Push down BKL to the filesystems (v2)

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Date:	Mon, 2 Nov 2009 16:31:21 +0100
From:	Christian Borntraeger <borntraeger@...ibm.com>
To:	Jan Blunck <jblunck@...e.de>
Cc:	linux-fsdevel@...r.kernel.org, Matthew Wilcox <matthew@....cx>,
	linux-kernel@...r.kernel.org, Chris Mason <chris.mason@...cle.com>,
	Christoph Hellwig <hch@...radead.org>
Subject: Re: [PATCH 00/27] Push down BKL to the filesystems (v2)

Am Montag 02 November 2009 14:30:42 schrieb Jan Blunck:
> > Looking at
> > you diffstat it seems that you only touched fs/*
> >
> > There are filesystems in other places, e.g.
> > drivers/isdn/capi/capifs.c,
> > arch/powerpc/platforms/cell/spufs/inode.c
> > or
> > arch/s390/hypfs/inode.c
> >
> > I am really not an expert in filesystems, so my comment might be bogus:
> > My expection was, that a simple pushdown should also affect these
> > filesystems, especially if the filesystems dont use simple_fill_super,
> > no?
> 
> D'Oh! You are totally correct. Seems that nothing important outside of fs/
> actually requires the BKL since my box is still wor

Can you change your series to do the full pushdown anyway? grep for 
register_filesystem find several places that probably dont get much testing and 
if something goes wrong a full pushdown + blk removal would allow to find the 
problem with bisect later on.
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