Ocfs2/refcounttree: Fix a bug for refcounttree to writeback clusters in a right number.

[pandora-kernel.git] / fs / ocfs2 / refcounttree.c

diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index b5f9160..19ebc5a 100644 (file)
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -3228,7 +3228,7 @@ static int ocfs2_make_clusters_writable(struct super_block *sb,
                                        u32 num_clusters, unsigned int e_flags)
 {
        int ret, delete, index, credits =  0;
-       u32 new_bit, new_len;
+       u32 new_bit, new_len, orig_num_clusters;
        unsigned int set_len;
        struct ocfs2_super *osb = OCFS2_SB(sb);
        handle_t *handle;
@@ -3261,6 +3261,8 @@ static int ocfs2_make_clusters_writable(struct super_block *sb,
                goto out;
        }
 
+       orig_num_clusters = num_clusters;
+
        while (num_clusters) {
                ret = ocfs2_get_refcount_rec(ref_ci, context->ref_root_bh,
                                             p_cluster, num_clusters,
@@ -3348,7 +3350,8 @@ static int ocfs2_make_clusters_writable(struct super_block *sb,
         * in write-back mode.
         */
        if (context->get_clusters == ocfs2_di_get_clusters) {
-               ret = ocfs2_cow_sync_writeback(sb, context, cpos, num_clusters);
+               ret = ocfs2_cow_sync_writeback(sb, context, cpos,
+                                              orig_num_clusters);
                if (ret)
                        mlog_errno(ret);
        }