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[XFS updates] XFS development tree branch, for-next, updated. v3.12-rc1-

To: xfs@xxxxxxxxxxx
Subject: [XFS updates] XFS development tree branch, for-next, updated. v3.12-rc1-5-g997def2
From: xfs@xxxxxxxxxxx
Date: Fri, 27 Sep 2013 09:19:02 -0500 (CDT)
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The branch, for-next has been updated
  997def2 xfs: fix node forward in xfs_node_toosmall
      from  566055d33a91ddddb1cb31220b01ac4abd2d2bdd (commit)

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- Log -----------------------------------------------------------------
commit 997def25e4b9cee3b01609e18a52f926bca8bd2b
Author: Mark Tinguely <tinguely@xxxxxxx>
Date:   Mon Sep 23 12:18:58 2013 -0500

    xfs: fix node forward in xfs_node_toosmall
    Commit f5ea1100 cleans up the disk to host conversions for
    node directory entries, but because a variable is reused in
    xfs_node_toosmall() the next node is not correctly found.
    If the original node is small enough (<= 3/8 of the node size),
    this change may incorrectly cause a node collapse when it should
    not. That will cause an assert in xfstest generic/319:
       Assertion failed: first <= last && last < BBTOB(bp->b_length),
       file: /root/newest/xfs/fs/xfs/xfs_trans_buf.c, line: 569
    Keep the original node header to get the correct forward node.
    (When a node is considered for a merge with a sibling, it overwrites the
     sibling pointers of the original incore nodehdr with the sibling's
     pointers.  This leads to loop considering the original node as a merge
     candidate with itself in the second pass, and so it incorrectly
     determines a merge should occur.)
    Signed-off-by: Mark Tinguely <tinguely@xxxxxxx>
    Reviewed-by: Ben Myers <bpm@xxxxxxx>
    Signed-off-by: Ben Myers <bpm@xxxxxxx>
    [v3: added Dave Chinner's (slightly modified) suggestion to the commit 
        cleaned up whitespace.  -bpm]


Summary of changes:
 fs/xfs/xfs_da_btree.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

XFS development tree

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