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OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=576
This commit is contained in:
Dr. Werner Fink 2014-03-28 08:11:51 +00:00 committed by Git OBS Bridge
parent e23319dfac
commit 700eb548c2
2 changed files with 67 additions and 41 deletions
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103
1006-udev-always-rename-network.patch
View File

@ -9,55 +9,76 @@ Date: Tue, 4 Mar 2014 10:29:21 +0000
Port the patch of Robert to systemd v210 and test it out.
---
udev-event.c | 40 ++++++++++++++++++++++++++++++++++++----
1 file changed, 36 insertions(+), 4 deletions(-)
udev-event.c | 43 +++++++++++++++++++++++++++++++++++++++----
1 file changed, 39 insertions(+), 4 deletions(-)
--- systemd-210/src/udev/udev-event.c
+++ systemd-210/src/udev/udev-event.c 2014-03-04 11:19:50.583710411 +0100
@@ -765,10 +765,42 @@ static int rename_netif(struct udev_even
--- src/udev/udev-event.c
+++ src/udev/udev-event.c 2014-03-27 13:19:06.727748307 +0000
@@ -30,6 +30,7 @@
#include <sys/epoll.h>
#include <sys/wait.h>
#include <sys/signalfd.h>
+#include <sys/inotify.h>
#include "udev.h"
#include "rtnl-util.h"
@@ -750,8 +751,9 @@ static int rename_netif(struct udev_even
struct udev_device *dev = event->dev;
_cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
char name[IFNAMSIZ];
+ char interim[IFNAMSIZ], *ptr = &interim[0];
const char *oldname;
- int r;
+ int r, loop;
oldname = udev_device_get_sysname(dev);
@@ -765,12 +767,45 @@ static int rename_netif(struct udev_even
return r;
r = rtnl_set_link_name(rtnl, udev_device_get_ifindex(dev), name);
- if (r < 0)
- log_error("error changing net interface name %s to %s: %s",
- oldname, name, strerror(-r));
+ if (r == 0) {
+ print_kmsg("renamed network interface %s to %s\n", oldname, name);
+ return r;
+ } else if (r != -EEXIST) {
log_error("error changing net interface name %s to %s: %s",
oldname, name, strerror(-r));
- else
+ if (r < 0) {
+ char interim[IFNAMSIZ], *ptr = &interim[0];
+ int loop = 90;
- print_kmsg("renamed network interface %s to %s", oldname, name);
+ return r;
+ }
+
+ /* free our own name, another process may wait for us */
+ strpcpyf(&ptr, IFNAMSIZ, "rename%u", udev_device_get_ifindex(dev));
+
+ r = rtnl_set_link_name(rtnl, udev_device_get_ifindex(dev), interim);
+ if (r < 0) {
+ log_error("error changing net interface name %s to %s: %s",
+ oldname, interim, strerror(-r));
+ return r;
+ }
+ /* log temporary name */
+ print_kmsg("renamed network interface %s to %s\n", oldname, interim);
+
+ loop = 90 * 20;
+ while (loop--) {
+ const struct timespec duration = { 0, 1000 * 1000 * 1000 / 20 };
+ nanosleep(&duration, NULL);
+
+ r = rtnl_set_link_name(rtnl, udev_device_get_ifindex(dev), name);
+ if (r == 0) {
+ print_kmsg("renamed network interface %s to %s\n", interim, name);
+ break;
+ }
+
+ /* keep trying if the destination interface name already exists */
+ if (r != -EEXIST) {
+ log_error("error changing net interface name %s to %s: %s",
+ oldname, name, strerror(-r));
+ return r;
+ interim, name, strerror(-r));
+ break;
+ }
+
+ /* free our own name, another process may wait for us */
+ strpcpyf(&ptr, IFNAMSIZ, "rename%u", udev_device_get_ifindex(dev));
+
+ r = rtnl_set_link_name(rtnl, udev_device_get_ifindex(dev), interim);
+ if (r < 0) {
+ log_error("error changing net interface name %s to %s: %s",
+ oldname, name, strerror(-r));
+ return r;
+ }
+
+ /* log temporary name */
+ print_kmsg("renamed network interface %s to %s", oldname, interim);
+ do {
+ r = rtnl_set_link_name(rtnl, udev_device_get_ifindex(dev), name);
+ if (r == 0) {
+ print_kmsg("renamed network interface %s to %s", oldname, name);
+ return r;
+ }
+ if (r != -EEXIST) {
+ log_error("error changing net interface name %s to %s: %s",
+ oldname, name, strerror(-r));
+ return r;
+ }
+ } while (loop-- > 0);
+ } else
print_kmsg("renamed network interface %s to %s", oldname, name);
+ }
return r;
}

5
systemd.changes
View File

@ -1,3 +1,8 @@
-------------------------------------------------------------------
Fri Mar 28 08:10:13 UTC 2014 - werner@suse.de
- Use Robert's revised 1006-udev-always-rename-network.patch
-------------------------------------------------------------------
Tue Mar 25 17:28:18 UTC 2014 - werner@suse.de