[ 055/167] [PATCH 2/4] ocfs: ->rl_used breakage on big-endian

From: Ben Hutchings
Date: Wed May 09 2012 - 02:29:16 EST


3.2-stable review patch. If anyone has any objections, please let me know.

------------------

From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

commit e1bf4cc620fd143766ddfcee3b004a1d1bb34fd0 upstream.

it's le16, not le32 or le64...

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
fs/ocfs2/refcounttree.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index a7b7217..bc90ebc 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -1468,7 +1468,7 @@ static int ocfs2_divide_leaf_refcount_block(struct buffer_head *ref_leaf_bh,

trace_ocfs2_divide_leaf_refcount_block(
(unsigned long long)ref_leaf_bh->b_blocknr,
- le32_to_cpu(rl->rl_count), le32_to_cpu(rl->rl_used));
+ le32_to_cpu(rl->rl_count), le16_to_cpu(rl->rl_used));

/*
* XXX: Improvement later.
@@ -2411,7 +2411,7 @@ static int ocfs2_calc_refcount_meta_credits(struct super_block *sb,
rb = (struct ocfs2_refcount_block *)
prev_bh->b_data;

- if (le64_to_cpu(rb->rf_records.rl_used) +
+ if (le16_to_cpu(rb->rf_records.rl_used) +
recs_add >
le16_to_cpu(rb->rf_records.rl_count))
ref_blocks++;
@@ -2476,7 +2476,7 @@ static int ocfs2_calc_refcount_meta_credits(struct super_block *sb,
if (prev_bh) {
rb = (struct ocfs2_refcount_block *)prev_bh->b_data;

- if (le64_to_cpu(rb->rf_records.rl_used) + recs_add >
+ if (le16_to_cpu(rb->rf_records.rl_used) + recs_add >
le16_to_cpu(rb->rf_records.rl_count))
ref_blocks++;

@@ -3629,7 +3629,7 @@ int ocfs2_refcounted_xattr_delete_need(struct inode *inode,
* one will split a refcount rec, so totally we need
* clusters * 2 new refcount rec.
*/
- if (le64_to_cpu(rb->rf_records.rl_used) + clusters * 2 >
+ if (le16_to_cpu(rb->rf_records.rl_used) + clusters * 2 >
le16_to_cpu(rb->rf_records.rl_count))
ref_blocks++;

--
1.7.10



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