#include <errno.h>
#include <grp.h>
#include <dirent.h>
+#include <sys/time.h>
#include <sys/stat.h>
#include <sys/types.h>
info(udev, "preserve file '%s', because it has correct dev_t\n", file);
preserve = 1;
udev_selinux_lsetfilecon(udev, file, mode);
+ /* update time stamp when we re-use the node, like on media change events */
+ utimes(file, NULL);
} else {
char file_tmp[UTIL_PATH_SIZE + sizeof(TMP_FILE_EXT)];
info(udev, "preserve already existing symlink '%s' to '%s'\n",
slink, target);
udev_selinux_lsetfilecon(udev, slink, S_IFLNK);
+ lutimes(slink, NULL);
goto exit;
}
}
udev_device_unref(dev_db);
}
}
+ closedir(dir);
return target;
}
const char *devnode;
char partitionname[UTIL_PATH_SIZE];
struct stat stats;
+ struct udev_device *dev_check;
int err = 0;
int num;
- /* remove,update symlinks, remove symlinks from name index */
+ /* remove/update symlinks, remove symlinks from name index */
udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev))
link_update(dev, udev_list_entry_get_name(list_entry), 0);
return -1;
}
- info(udev, "removing device node '%s'\n", devnode);
- err = util_unlink_secure(udev, devnode);
- if (err)
- return err;
+ dev_check = udev_device_new_from_syspath(udev, udev_device_get_syspath(dev));
+ if (dev_check != NULL && stats.st_rdev == udev_device_get_devnum(dev_check)) {
+ /* do not remove device node if the same sys-device is re-created in the meantime */
+ info(udev, "keeping device node of existing device'%s'\n", devnode);
+ } else {
+ info(udev, "removing device node '%s'\n", devnode);
+ err = util_unlink_secure(udev, devnode);
+ }
+ udev_device_unref(dev_check);
num = udev_device_get_num_fake_partitions(dev);
if (num > 0) {