linux-kernel - Re: [PATCH] fs: push i_mutex and filemap_write_and

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Date:	Sat, 23 Jul 2011 22:38:24 +0200
From:	Markus Trippelsdorf <markus@...ppelsdorf.de>
To:	Josef Bacik <josef@...hat.com>
Cc:	linux-fsdevel@...r.kernel.org, hch@...radead.org,
	viro@...iv.linux.org.uk, jack@...e.cz,
	linux-kernel@...r.kernel.org, Dave Chinner <david@...morbit.com>,
	xfs@....sgi.com
Subject: Re: [PATCH] fs: push i_mutex and filemap_write_and_wait down into
 ->fsync() handlers

On 2011.07.23 at 16:26 -0400, Josef Bacik wrote:
> On 07/23/2011 02:09 PM, Markus Trippelsdorf wrote:
> > On 2011.06.29 at 14:05 -0400, Josef Bacik wrote:
> >> Btrfs needs to be able to control how filemap_write_and_wait_range() is called
> >> in fsync to make it less of a painful operation, so push down taking i_mutex and
> >> the calling of filemap_write_and_wait() down into the ->fsync() handlers.  Some
> >> file systems can drop taking the i_mutex altogether it seems, like ext3 and
> >> ocfs2.  For correctness sake I just pushed everything down in all cases to make
> >> sure that we keep the current behavior the same for everybody, and then each
> >> individual fs maintainer can make up their mind about what to do from there.
> >
> > At least the xfs part of this patch is broken.
> > Running the latest git-kernel bogofilter doesn't work anymore on my xfs
> > partition. When I run "bogoutil -d wordlist.db" to dump the contents of
> > the database, it produces no output at all.
> >
> 
> Already fixed and sent a patch out earlier this week.  Thanks,

No. This happens with your patch already applied. See my other reply.

-- 
Markus
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