[src/trunk]: src/share/man/man9 Fix statement of what write-ahead means. Con...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/22678df383ee
branches:  trunk
changeset: 815227:22678df383ee
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sat May 07 05:46:35 2016 +0000

description:
Fix statement of what write-ahead means.  Contrast with roll-back.

diffstat:

 share/man/man9/wapbl.9 |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (19 lines):

diff -r 7a51bdb851a0 -r 22678df383ee share/man/man9/wapbl.9
--- a/share/man/man9/wapbl.9    Fri May 06 21:01:19 2016 +0000
+++ b/share/man/man9/wapbl.9    Sat May 07 05:46:35 2016 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: wapbl.9,v 1.10 2015/04/01 22:51:33 riastradh Exp $
+.\"    $NetBSD: wapbl.9,v 1.11 2016/05/07 05:46:35 riastradh Exp $
 .\"
 .\" Copyright (c) 2015 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -97,7 +97,8 @@
 only physical blocks, not logical file system operations, are stored in
 the log
 .It write-ahead
-blocks are written to the log before being written to the disk
+before writing a block to disk, its new content, rather than its old
+content for roll-back, is recorded in the log
 .El
 .Pp
 When a file system using