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[PATCH] handle unaligned data in xfs_bmbt_disk_get_all

To: xfs@xxxxxxxxxxx
Subject: [PATCH] handle unaligned data in xfs_bmbt_disk_get_all
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 22 Dec 2008 09:59:06 -0500
User-agent: Mutt/1.5.18 (2008-05-17)
In libxfs xfs_bmbt_disk_get_all needs to handle unaligned data and thus
has been updated to use get_unaligned_be64.  In kernelspace we don't strictly
need it as the routine is only used for tracing and xfsidbg, but let's keep
the two implementations in sync.


Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Index: xfs/fs/xfs/xfs_bmap_btree.c
--- xfs.orig/fs/xfs/xfs_bmap_btree.c    2008-12-19 15:02:53.998907997 +0100
+++ xfs/fs/xfs/xfs_bmap_btree.c 2008-12-22 14:43:41.507247175 +0100
@@ -208,7 +208,8 @@ xfs_bmbt_disk_get_all(
        xfs_bmbt_rec_t  *r,
        xfs_bmbt_irec_t *s)
 {
-       __xfs_bmbt_get_all(be64_to_cpu(r->l0), be64_to_cpu(r->l1), s);
+       __xfs_bmbt_get_all(get_unaligned_be64(&r->l0),
+                               get_unaligned_be64(&r->l1), s);
 }
 
 /*

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