[src/trunk]: src/sys/kern Tweak comment on wapbl_flush.

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

details:   https://anonhg.NetBSD.org/src/rev/972594ce625a
branches:  trunk
changeset: 815253:972594ce625a
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sat May 07 22:12:29 2016 +0000

description:
Tweak comment on wapbl_flush.

diffstat:

 sys/kern/vfs_wapbl.c |  10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diffs (31 lines):

diff -r 485e8c548e96 -r 972594ce625a sys/kern/vfs_wapbl.c
--- a/sys/kern/vfs_wapbl.c      Sat May 07 21:15:38 2016 +0000
+++ b/sys/kern/vfs_wapbl.c      Sat May 07 22:12:29 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vfs_wapbl.c,v 1.76 2016/05/07 21:15:38 riastradh Exp $ */
+/*     $NetBSD: vfs_wapbl.c,v 1.77 2016/05/07 22:12:29 riastradh Exp $ */
 
 /*-
  * Copyright (c) 2003, 2008, 2009 The NetBSD Foundation, Inc.
@@ -36,7 +36,7 @@
 #define WAPBL_INTERNAL
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vfs_wapbl.c,v 1.76 2016/05/07 21:15:38 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vfs_wapbl.c,v 1.77 2016/05/07 22:12:29 riastradh Exp $");
 
 #include <sys/param.h>
 #include <sys/bitops.h>
@@ -1536,8 +1536,10 @@
  *     2. Wait for enough space in the log for the current transaction.
  *     3. Synchronously write the new log records, advancing the
  *        circular queue head.
- *     4. If wait is true, also wait for all the logged writes to
- *        complete so that the log is empty on return.
+ *     4. Issue the pending block writes asynchronously, now that they
+ *        are recorded in the log and can be replayed after crash.
+ *     5. If wait is true, wait for all writes to complete and for the
+ *        log to become empty.
  *
  *     On failure, call the file system's wl_flush_abort callback.
  */