ocfs2: Copy xattr buckets with a dedicated function.

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>

diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 99aefe4ea750d65eac68a061a2d5556e97ceea1e..71d9e7bdd30a0d1ea3d48d6eae439893b00e012c 100644 (file)
--- 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: