GFS2: New truncate sequence

This updates GFS2's truncate code to use the new truncate
sequence correctly. This is a stepping stone to being
able to remove ip->i_disksize in favour of using i_size
everywhere now that the two sizes are always identical.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Christoph Hellwig <hch@lst.de>

1 files changed, 4 insertions, 6 deletions

diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 194fe16d8418..f687f25fb7ff 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -696,13 +696,11 @@ out:
 
         page_cache_release(page);
 
-        /*
-         * XXX(truncate): the call below should probably be replaced with
-         * a call to the gfs2-specific truncate blocks helper to actually
-         * release disk blocks..
-         */
+        gfs2_trans_end(sdp);
         if (pos + len > ip->i_inode.i_size)
-                truncate_setsize(&ip->i_inode, ip->i_inode.i_size);
+                gfs2_trim_blocks(&ip->i_inode);
+        goto out_trans_fail;
+
 out_endtrans:
         gfs2_trans_end(sdp);
 out_trans_fail: