ocfs2: update truncate handling of partial clusters

The partial cluster zeroing code used during truncate usually assumes that
the rightmost byte in the range to be zeroed lies on a cluster boundary.
This makes sense for truncate, but punching holes might require zeroing on
non-aligned rightmost boundaries.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 3e21ad9a6dde..f0a6b1330a6e 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -263,6 +263,7 @@ static int ocfs2_orphan_for_truncate(struct ocfs2_super *osb,
         int status;
         handle_t *handle;
         struct ocfs2_dinode *di;
+        u64 cluster_bytes;
 
         mlog_entry_void();
 
@@ -286,7 +287,9 @@ static int ocfs2_orphan_for_truncate(struct ocfs2_super *osb,
         /*
          * Do this before setting i_size.
          */
-        status = ocfs2_zero_tail_for_truncate(inode, handle, new_i_size);
+        cluster_bytes = ocfs2_align_bytes_to_clusters(inode->i_sb, new_i_size);
+        status = ocfs2_zero_range_for_truncate(inode, handle, new_i_size,
+                                               cluster_bytes);
         if (status) {
                 mlog_errno(status);
                 goto out_commit;