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From: Christoph Hellwig <hch@infradead.org>
To: Nick Piggin <npiggin@suse.de>,
	akpm@linux-foundation.org, xfs@oss.sgi.com,
	linux-fsdevel@vger.kernel.org,
	Chris Mason <chris.mason@oracle.com>
Subject: Re: [patch 0/9] writeback data integrity and other fixes (take 3)
Date: Wed, 29 Oct 2008 05:12:03 -0400	[thread overview]
Message-ID: <20081029091203.GA32545@infradead.org> (raw)
In-Reply-To: <20081029031645.GE4985@disturbed>

On Wed, Oct 29, 2008 at 02:16:45PM +1100, Dave Chinner wrote:
> Yeah, that'd do it. Good catch. I can't believe I recently fixed a
> bug that touched these lines of code without noticing the inversion.
> Sometimes I wonder if we should just conver the entire of XFS to
> return negative errors - mistakes in handling negative error numbers
> in the core XFS code happen all the time.
> 
> FWIW, the core issue here is that we've got to do the
> filemap_fdatawait() call in the ->fsync method because ->fsync
> gets called before we've waited for the data I/O to complete.
> XFS updates inode state on I/O completion, so we *must* wait
> for data I/O to complete before logging the inode changes. I
> think btrfs has the same problem....

Yes.  I have patches to fix this by changing what ->fsync does and
how it's called.  I really need to get them out on the list.


  parent reply	other threads:[~2008-10-29  9:12 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-28 14:47 [patch 0/9] writeback data integrity and other fixes (take 3) npiggin
2008-10-28 14:47 ` [patch 1/9] mm: write_cache_pages cyclic fix npiggin
2008-10-29  0:24   ` [patch 1.1/9] mm: write_cache_pages cyclic fix fix Nick Piggin
2008-10-28 14:47 ` [patch 2/9] mm: write_cache_pages early loop termination npiggin
2008-10-28 14:47 ` [patch 3/9] mm: write_cache_pages writepage error fix npiggin
2008-10-28 14:47 ` [patch 4/9] mm: write_cache_pages integrity fix npiggin
2008-10-28 14:47 ` [patch 5/9] mm: write_cache_pages cleanups npiggin
2008-10-28 14:47 ` [patch 6/9] mm: write_cache_pages optimise page cleaning npiggin
2008-10-28 14:47 ` [patch 7/9] mm: write_cache_pages terminate quickly npiggin
2008-10-30 23:07   ` Andrew Morton
2008-10-31  7:29     ` Nick Piggin
2008-10-28 14:47 ` [patch 8/9] mm: write_cache_pages more " npiggin
2008-10-28 14:47 ` [patch 9/9] mm: do_sync_mapping_range integrity fix npiggin
2008-10-30 23:13   ` Andrew Morton
2008-10-31  9:16     ` Nick Piggin
2008-10-31 10:04       ` Andrew Morton
2008-10-31 10:53         ` Nick Piggin
2008-10-31 20:03         ` Jamie Lokier
2008-10-31 14:10       ` Chris Mason
2008-10-31 14:30         ` steve
2008-10-31 15:02           ` Chris Mason
2008-11-01  8:04         ` Nick Piggin
2008-10-28 15:39 ` [patch 0/9] writeback data integrity and other fixes (take 3) Nick Piggin
2008-10-28 22:27   ` Dave Chinner
2008-10-29  0:04     ` Nick Piggin
2008-10-29  0:16     ` Nick Piggin
2008-10-29  3:16       ` Dave Chinner
2008-10-29  3:26         ` Dave Chinner
2008-10-29  4:11           ` Nick Piggin
2008-10-29  4:57             ` Dave Chinner
2008-10-29  5:06               ` Nick Piggin
2008-10-29  9:13           ` Christoph Hellwig
2008-10-29 21:42             ` Dave Chinner
2008-10-29 21:45               ` Christoph Hellwig
2008-10-29 21:53                 ` Dave Chinner
2008-10-29  4:00         ` Nick Piggin
2008-10-29  5:27           ` Dave Chinner
2008-10-29  9:12         ` Christoph Hellwig [this message]
2008-10-29  9:21           ` Nick Piggin
2008-10-29  9:44             ` Christoph Hellwig
2008-10-29 10:30               ` Nick Piggin
2008-10-29 12:22                 ` Jamie Lokier
     [not found]                   ` <20081029122234.GE846-yetKDKU6eevNLxjTenLetw@public.gmane.org>
2008-10-29 13:32                     ` Ric Wheeler
2008-10-29 14:56                       ` Chris Mason
     [not found]                         ` <1225292196.6448.263.camel-cGoWVVl3WGUrkklhUoBCrlaTQe2KTcn/@public.gmane.org>
2008-10-30  2:16                           ` Nick Piggin
     [not found]                             ` <20081030021601.GF18041-B4tOwbsTzaBolqkO4TVVkw@public.gmane.org>
2008-10-30 12:51                               ` jim owens
2008-10-30 13:41                                 ` Jim Rees
2008-10-29 21:43                   ` Dave Chinner
2008-10-29  8:51     ` Dave Chinner
2008-10-28 23:14 ` Dave Chinner
2008-10-28 23:57   ` Nick Piggin
2008-10-29  0:05     ` Andrew Morton
2008-10-29  0:10       ` Nick Piggin

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