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if needed, store database entries also for devices which do not have a device node

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This commit is contained in:
Kay Sievers 2008-12-28 01:49:01 +01:00
parent 49bb7a8a2a
commit 1028fe14b6
2 changed files with 24 additions and 5 deletions
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22
udev/lib/libudev-device-db-write.c
View File

@ -56,11 +56,21 @@ int udev_device_update_db(struct udev_device *udev_device)
udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device))
if (udev_list_entry_get_flag(list_entry))
goto file;
if (udev_device_get_num_fake_partitions(udev_device))
if (udev_device_get_num_fake_partitions(udev_device) != 0)
goto file;
if (udev_device_get_ignore_remove(udev_device))
goto file;
/* try not to waste tmpfs memory; store values, if they fit, in a symlink target */
if (udev_device_get_devlink_priority(udev_device) != 0)
goto file;
if (udev_device_get_event_timeout(udev_device) >= 0)
goto file;
if (udev_device_get_devnode(udev_device) == NULL)
goto out;
/*
* if we have only the node and symlinks to store, try not to waste
* tmpfs memory -- store values, if they fit, in a symlink target
*/
util_strlcpy(target, &udev_device_get_devnode(udev_device)[devlen], sizeof(target));
udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(udev_device)) {
size_t len;
@ -86,9 +96,11 @@ file:
}
info(udev, "created db file for '%s' in '%s'\n", udev_device_get_devpath(udev_device), filename);
fprintf(f, "N:%s\n", &udev_device_get_devnode(udev_device)[devlen]);
udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(udev_device))
fprintf(f, "S:%s\n", &udev_list_entry_get_name(list_entry)[devlen]);
if (udev_device_get_devnode(udev_device) != NULL) {
fprintf(f, "N:%s\n", &udev_device_get_devnode(udev_device)[devlen]);
udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(udev_device))
fprintf(f, "S:%s\n", &udev_list_entry_get_name(list_entry)[devlen]);
}
if (udev_device_get_devlink_priority(udev_device) != 0)
fprintf(f, "L:%u\n", udev_device_get_devlink_priority(udev_device));
if (udev_device_get_event_timeout(udev_device) >= 0)

7
udev/udev-event.c
View File

@ -611,6 +611,7 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules)
/* add netif */
if (strcmp(udev_device_get_subsystem(dev), "net") == 0 && strcmp(udev_device_get_action(dev), "add") == 0) {
dbg(event->udev, "netif add '%s'\n", udev_device_get_devpath(dev));
udev_device_delete_db(dev);
udev_rules_apply_to_event(rules, event);
if (event->ignore_device) {
@ -644,6 +645,7 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules)
info(event->udev, "changed devpath to '%s'\n", udev_device_get_devpath(dev));
}
}
udev_device_update_db(dev);
goto exit;
}
@ -684,6 +686,11 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules)
udev_rules_apply_to_event(rules, event);
if (event->ignore_device)
info(event->udev, "device event will be ignored\n");
if (strcmp(udev_device_get_action(dev), "remove") != 0)
udev_device_update_db(dev);
else
udev_device_delete_db(dev);
exit:
return err;
}