fs/ocfs2/file.c: fix wrong comment

Unwritten extent only exists for file systems which support holes.  But
the comment said was opposite meaning and also the comment is not very
clear, so rephase it.

Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 67c037af301a192b62e82947c9bc327ced0338e5..6fff128cad16164e0f10ca614db618e0af60768f 100644 (file)
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -580,7 +580,7 @@ static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start,
        int did_quota = 0;
 
        /*
-        * This function only exists for file systems which don't
+        * Unwritten extent only exists for file systems which
         * support holes.
         */
        BUG_ON(mark_unwritten && !ocfs2_sparse_alloc(osb));