linux-kernel - [PATCH-possible bugfix] xfs: ensure extents are read as be64

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Date:	Mon, 14 Apr 2008 20:28:51 -0700
From:	Harvey Harrison <harvey.harrison@...il.com>
To:	Christoph Hellwig <hch@....de>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH-possible bugfix] xfs: ensure extents are read as be64

The debug code reads the extents in cpu-order rather than BE.  Make the
debug code match.

Signed-off-by: Harvey Harrison <harvey.harrison@...il.com>
---
Possibly 2.6.25 material....if it actually is a bug.  See elsewhere
in the same file that reads as be64. (look for ep->l0).

 fs/xfs/xfs_inode.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index f43a6e0..eacf2ca 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -85,8 +85,8 @@ xfs_validate_extents(
 
 	for (i = 0; i < nrecs; i++) {
 		xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, i);
-		rec.l0 = get_unaligned(&ep->l0);
-		rec.l1 = get_unaligned(&ep->l1);
+		rec.l0 = be64_to_cpu(get_unaligned(&ep->l0));
+		rec.l1 = be64_to_cpu(get_unaligned(&ep->l1));
 		xfs_bmbt_get_all(&rec, &irec);
 		if (fmt == XFS_EXTFMT_NOSTATE)
 			ASSERT(irec.br_state == XFS_EXT_NORM);
-- 
1.5.5.144.g3e42



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