From mboxrd@z Thu Jan  1 00:00:00 1970
From: Greg KH <greg@kroah.com>
Date: Thu, 31 Aug 2006 00:41:38 +0000
Subject: [PATCH] add options to udevtrigger to control scanning
Message-Id: <20060831004138.GA28528@kroah.com>
List-Id: <linux-hotplug.vger.kernel.org>
MIME-Version: 1.0
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To: linux-hotplug@vger.kernel.org

This patch has been in the gentoo tree for a bit.  It modifies
udevtrigger to allow a little more fine grained control for people who
don't want all of the sysfs tree to be scanned by udevtrigger at
startup.

Patch was originally written by Martin Schlemmer <azarah@gentoo.org> but
was forward-ported by me to the latest version of udev.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

--- a/udevtrigger.c
+++ b/udevtrigger.c
@@ -358,6 +358,9 @@ int main(int argc, char *argv[], char *e
 {
 	int i;
 	int failed = 0;
+	int block = 1;
+	int bus = 1;
+	int class = 1;
 
 	logging_init("udevtrigger");
 	udev_config_init();
@@ -373,8 +376,15 @@ int main(int argc, char *argv[], char *e
 			dry_run = 1;
 		} else if (strcmp(arg, "--retry-failed") = 0 || strcmp(arg, "-F") = 0) {
 			failed = 1;
+		} else if (strcmp(arg, "--no-scan-block") = 0) {
+			block = 0;
+		} else if (strcmp(arg, "--no-scan-bus") = 0) {
+			bus = 0;
+		} else if (strcmp(arg, "--no-scan-class") = 0) {
+			class = 0;
 		} else if (strcmp(arg, "--help") = 0 || strcmp(arg, "-h") = 0) {
-			printf("Usage: udevtrigger [--help] [--verbose] [--dry-run] [--retry-failed]\n");
+			printf("Usage: udevtrigger [--no-scan-block] [--no-scan-bus] [--no-scan-class]\n");
+			printf("                   [--help] [--verbose] [--dry-run] [--retry-failed]\n");
 			goto exit;
 		} else {
 			fprintf(stderr, "unrecognized option '%s'\n", arg);
@@ -386,9 +396,12 @@ int main(int argc, char *argv[], char *e
 		scan_failed();
 	else {
 		/* default action */
-		scan_bus();
-		scan_class();
-		scan_block();
+		if (bus)
+			scan_bus();
+		if (class)
+			scan_class();
+		if (block)
+			scan_block();
 	}
 	exec_lists();
 


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