From d8ba9f9dc1db1ce41dcf94418be3d24f5eef3e46 Mon Sep 17 00:00:00 2001
From: Kirk McKusick <mckusick@ucbvax.Berkeley.EDU>
Date: Fri, 7 Feb 1992 01:58:53 -0800
Subject: [PATCH] add comment about on-disk formats and the format defined by
 <sys/dirent.h>

SCCS-vsn: sys/ufs/ffs/ufs_vnops.c 7.77
SCCS-vsn: sys/ufs/ufs/ufs_vnops.c 7.77
---
 usr/src/sys/ufs/ffs/ufs_vnops.c | 10 ++++++++--
 usr/src/sys/ufs/ufs/ufs_vnops.c | 10 ++++++++--
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/usr/src/sys/ufs/ffs/ufs_vnops.c b/usr/src/sys/ufs/ffs/ufs_vnops.c
index faeac70574..ffe7147bc4 100644
--- a/usr/src/sys/ufs/ffs/ufs_vnops.c
+++ b/usr/src/sys/ufs/ffs/ufs_vnops.c
@@ -4,7 +4,7 @@
  *
  * %sccs.include.redist.c%
  *
- *	@(#)ufs_vnops.c	7.76 (Berkeley) %G%
+ *	@(#)ufs_vnops.c	7.77 (Berkeley) %G%
  */
 
 #include <sys/param.h>
@@ -1301,7 +1301,13 @@ ufs_symlink(dvp, vpp, cnp, vap, target)
 }
 
 /*
- * Vnode op for read and write
+ * Vnode op for reading directories.
+ * 
+ * The routine below assumes that the on-disk format of a directory
+ * is the same as that defined by <sys/dirent.h>. If the on-disk
+ * format changes, then it will be necessary to do a conversion
+ * from the on-disk format that read returns to the format defined
+ * by <sys/dirent.h>.
  */
 int
 ufs_readdir(vp, uio, cred, eofflagp)
diff --git a/usr/src/sys/ufs/ufs/ufs_vnops.c b/usr/src/sys/ufs/ufs/ufs_vnops.c
index faeac70574..ffe7147bc4 100644
--- a/usr/src/sys/ufs/ufs/ufs_vnops.c
+++ b/usr/src/sys/ufs/ufs/ufs_vnops.c
@@ -4,7 +4,7 @@
  *
  * %sccs.include.redist.c%
  *
- *	@(#)ufs_vnops.c	7.76 (Berkeley) %G%
+ *	@(#)ufs_vnops.c	7.77 (Berkeley) %G%
  */
 
 #include <sys/param.h>
@@ -1301,7 +1301,13 @@ ufs_symlink(dvp, vpp, cnp, vap, target)
 }
 
 /*
- * Vnode op for read and write
+ * Vnode op for reading directories.
+ * 
+ * The routine below assumes that the on-disk format of a directory
+ * is the same as that defined by <sys/dirent.h>. If the on-disk
+ * format changes, then it will be necessary to do a conversion
+ * from the on-disk format that read returns to the format defined
+ * by <sys/dirent.h>.
  */
 int
 ufs_readdir(vp, uio, cred, eofflagp)
-- 
2.20.1