#! /bin/sh /usr/share/dpatch/dpatch-run
## 51_bootlogd_syncalot.dpatch by Thomas Hood <jdthood@yahoo.co.uk>
##
## All lines beginning with `## DP:' are a description of the patch.
## DP: Only fdatasync() if -s option given

@DPATCH@
diff -urNad --exclude=CVS --exclude=.svn ./man/bootlogd.8 /tmp/dpep-work.bY0gSg/trunk/man/bootlogd.8
--- ./man/bootlogd.8	2006-01-23 11:17:20.000000000 +0100
+++ /tmp/dpep-work.bY0gSg/trunk/man/bootlogd.8	2006-01-23 11:23:47.000000000 +0100
@@ -5,6 +5,7 @@
 .B /sbin/bootlogd
 .RB [ \-d ]
 .RB [ \-r ]
+.RB [ \-s ]
 .RB [ \-v ]
 .RB [ " -l logfile " ]
 .RB [ " -p pidfile " ]
@@ -18,6 +19,12 @@
 .IP \fB\-r\fP
 If there is an existing logfile called \fIlogfile\fP rename it to
 \fIlogfile~\fP unless \fIlogfile~\fP already exists.
+.IP \fB\-s\fP
+Ensure that the data is written to the file after each line by calling
+.BR fdatasync (3).
+This will slow down a
+.BR fsck (8)
+process running in parallel.
 .IP \fB\-v\fP
 Show version.
 .IP "\fB\-l\fP \fIlogfile\fP"
@@ -38,4 +45,4 @@
 .SH AUTHOR
 Miquel van Smoorenburg, miquels@cistron.nl
 .SH "SEE ALSO"
-.BR dmesg (8)
+.BR dmesg "(8), " fdatasync (3).
diff -urNad --exclude=CVS --exclude=.svn ./src/bootlogd.c /tmp/dpep-work.bY0gSg/trunk/src/bootlogd.c
--- ./src/bootlogd.c	2006-01-23 11:17:21.000000000 +0100
+++ /tmp/dpep-work.bY0gSg/trunk/src/bootlogd.c	2006-01-23 11:19:23.000000000 +0100
@@ -56,6 +56,7 @@
 
 int got_signal = 0;
 int didnl = 1;
+int syncalot = 0;
 
 struct line {
 	char buf[256];
@@ -337,7 +338,7 @@
 				break;
 			case '\n':
 				didnl = 1;
-				dosync = 1;
+				dosync = syncalot;
 				break;
 			case '\t':
 				line.pos += (line.pos / 8 + 1) * 8;
@@ -446,7 +447,7 @@
 	rotate = 0;
 	dontfork = 0;
 
-	while ((i = getopt(argc, argv, "dl:p:rv")) != EOF) switch(i) {
+	while ((i = getopt(argc, argv, "dsl:p:rv")) != EOF) switch(i) {
 		case 'l':
 			logfile = optarg;
 			break;
@@ -463,6 +464,9 @@
 		case 'd':
 			dontfork = 1;
 			break;
+		case 's':
+			syncalot = 1;
+			break;
 		default:
 			usage();
 			break;