[GIT PULL] jfs update

[shaggy]

Linus, please pull from

git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6.git for-linus

This fixes a regression introduced in 2.6.30.  I'll send it to stable as well.

This will update the following files:

 fs/jfs/jfs_extent.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

through these ChangeSets:

commit f7c52fd17a7dda42fc9e88c2b2678403419bfe63
Author: Dave Kleikamp <shaggy@xxxxxxxxxxxxxxxxxx>
Date:   Tue Jun 16 13:43:22 2009 -0500

    jfs: fix regression preventing coalescing of extents
    
    Commit fec1878fe952b994125a3be7c94b1322db586f3b caused a regression in
    which contiguous blocks being allocated to the end of an extent were
    getting a new extent created.  This typically results in files entirely
    made up of 1-block extents even though the blocks are contiguous on
    disk.
    
    Apparently grub doesn't handle a jfs file being fragmented into too many
    extents, since it refuses to boot a kernel from jfs that was created by
    the 2.6.30 kernel.
    
    Signed-off-by: Dave Kleikamp <shaggy@xxxxxxxxxxxxxxxxxx>
    Reported-by: Alex <alevkovich@xxxxxx>
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