[XFS updates] XFS development tree branch, master, updated. v2.6.34-9515-gadcfeda

[xfs at oss.sgi.com]

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The branch, master has been updated
  adcfeda xfs: remove a dmapi leftover
  fbe5f28 xfs: writepage always has buffers
  2c2da2d xfs: allow writeback from kswapd
  ac20d66 xfs: remove incorrect log write optimization
  a476c59 xfs: unregister inode shrinker before freeing filesystem structures
      from  04d2da9c682ce2687db29136c60d8679e37e3b35 (commit)

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- Log -----------------------------------------------------------------
commit adcfeda23fee84212b235331cd71bf3d16dd137c
Author: Christoph Hellwig <hch at infradead.org>
Date:   Sat Jul 3 09:21:17 2010 +0000

    xfs: remove a dmapi leftover
    
    The open_exec file operation is only added by the external dmapi
    patch.
    
    Signed-off-by: Christoph Hellwig <hch at lst.de>
    Reviewed-by: Alex Elder <aelder at sgi.com>
    Signed-off-by: Alex Elder <aelder at sgi.com>

commit fbe5f2875788e1039f02eeca615e6cb6d761c043
Author: Christoph Hellwig <hch at infradead.org>
Date:   Mon Jun 28 10:34:57 2010 -0400

    xfs: writepage always has buffers
    
    These days we always have buffers thanks to ->page_mkwrite.  And we
    already have an assert a few lines above tripping in case that was
    not true due to a bug.
    
    Signed-off-by: Christoph Hellwig <hch at lst.de>
    Signed-off-by: Alex Elder <aelder at sgi.com>

commit 2c2da2d1514dbc5ffcab05ceb8868d7f173f91f6
Author: Christoph Hellwig <hch at infradead.org>
Date:   Mon Jun 28 10:34:44 2010 -0400

    xfs: allow writeback from kswapd
    
    We only need disable I/O from direct or memcg reclaim.
    
    Signed-off-by: Christoph Hellwig <hch at lst.de>
    Signed-off-by: Alex Elder <aelder at sgi.com>

commit ac20d66b86a5ace7650d41d83278f73340e824f4
Author: Christoph Hellwig <hch at infradead.org>
Date:   Mon Jun 28 10:34:34 2010 -0400

    xfs: remove incorrect log write optimization
    
    We do need a barrier for the first buffer of a split log write.
    Otherwise we might incorrectly stamp the tail LSN into transactions
    in the first part of the split write, or not flush data I/O before
    updating the inode size.
    
    Signed-off-by: Christoph Hellwig <hch at lst.de>
    Signed-off-by: Alex Elder <aelder at sgi.com>

commit a476c59ebb279d738718edc0e3fb76aab3687114
Author: Dave Chinner <dchinner at redhat.com>
Date:   Fri Jun 25 11:08:40 2010 +1000

    xfs: unregister inode shrinker before freeing filesystem structures
    
    Currently we don't remove the XFS mount from the shrinker list until
    late in the unmount path. By this time, we have already torn down
    the internals of the filesystem (e.g. the per-ag structures), and
    hence if the shrinker is executed between the teardown and the
    unregistering, the shrinker will get NULL per-ag structure pointers
    and panic trying to dereference them.
    
    Fix this by removing the xfs mount from the shrinker list before
    tearing down it's internal structures.
    
    Signed-off-by: Dave Chinner <dchinner at redhat.com>
    Reviewed-by: Eric Sandeen <sandeen at redhat.com>
    Signed-off-by: Alex Elder <aelder at sgi.com>

-----------------------------------------------------------------------

Summary of changes:
 fs/xfs/linux-2.6/xfs_aops.c  |   16 ++++------------
 fs/xfs/linux-2.6/xfs_file.c  |    3 ---
 fs/xfs/linux-2.6/xfs_super.c |    6 +++++-
 fs/xfs/xfs_log.c             |    7 ++-----
 4 files changed, 11 insertions(+), 21 deletions(-)


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