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authorDave Chinner <dchinner@redhat.com>2012-01-26 13:47:42 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-02-03 09:18:55 -0800
commit810b80a70cd24a682239d82370725cc3b847bab8 (patch)
tree8da351be5f1552e595dcd0180dc11bc2ac4d985c /firmware/matrox
parentffee9a18f29a0645c2d117083e025f557c738018 (diff)
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xfs: fix endian conversion issue in discard code
commit b1c770c273a4787069306fc82aab245e9ac72e9d upstream When finding the longest extent in an AG, we read the value directly out of the AGF buffer without endian conversion. This will give an incorrect length, resulting in FITRIM operations potentially not trimming everything that it should. Note, for 3.0-stable this has been modified to apply to fs/xfs/linux-2.6/xfs_discard.c instead of fs/xfs/xfs_discard.c. -bpm Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ben Myers <bpm@sgi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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