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Subject[PATCH 08/45] ocfs2: Copy xattr buckets with a dedicated function.
Date
From: Joel Becker <joel.becker@oracle.com>

Now that the places that copy whole buckets are using struct
ocfs2_xattr_bucket, we can do the copy in a dedicated function.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
---
fs/ocfs2/xattr.c | 26 ++++++++++++++++----------
1 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 99aefe4..71d9e7b 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -240,6 +240,19 @@ static void ocfs2_xattr_bucket_journal_dirty(handle_t *handle,
ocfs2_journal_dirty(handle, bucket->bu_bhs[i]);
}

+static void ocfs2_xattr_bucket_copy_data(struct inode *inode,
+ struct ocfs2_xattr_bucket *dest,
+ struct ocfs2_xattr_bucket *src)
+{
+ int i;
+ int blocksize = inode->i_sb->s_blocksize;
+ int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+
+ for (i = 0; i < blks; i++) {
+ memcpy(bucket_block(dest, i), bucket_block(src, i),
+ blocksize);
+ }
+}

static inline const char *ocfs2_xattr_prefix(int name_index)
{
@@ -3299,9 +3312,7 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode,
}

/* copy the whole bucket to the new first. */
- for (i = 0; i < blk_per_bucket; i++)
- memcpy(bucket_block(&t_bucket, i), bucket_block(&s_bucket, i),
- blocksize);
+ ocfs2_xattr_bucket_copy_data(inode, &t_bucket, &s_bucket);

/* update the new bucket. */
xh = bucket_xh(&t_bucket);
@@ -3410,9 +3421,7 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode,
u64 t_blkno,
int t_is_new)
{
- int ret, i;
- int blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
- int blocksize = inode->i_sb->s_blocksize;
+ int ret;
struct ocfs2_xattr_bucket s_bucket, t_bucket;

BUG_ON(s_blkno == t_blkno);
@@ -3443,10 +3452,7 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode,
if (ret)
goto out;

- for (i = 0; i < blk_per_bucket; i++) {
- memcpy(bucket_block(&t_bucket, i), bucket_block(&s_bucket, i),
- blocksize);
- }
+ ocfs2_xattr_bucket_copy_data(inode, &t_bucket, &s_bucket);
ocfs2_xattr_bucket_journal_dirty(handle, inode, &t_bucket);

out:
--
1.5.6


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