diff options
Diffstat (limited to 'udev/lib')
| -rw-r--r-- | udev/lib/libudev-enumerate.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/udev/lib/libudev-enumerate.c b/udev/lib/libudev-enumerate.c index b71ded645b..272b2981fe 100644 --- a/udev/lib/libudev-enumerate.c +++ b/udev/lib/libudev-enumerate.c @@ -89,6 +89,7 @@ static int devices_scan_subsystem(struct udev *udev, return -1; for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { char syspath[UTIL_PATH_SIZE]; + char filename[UTIL_PATH_SIZE]; struct stat statbuf; if (dent->d_name[0] == '.') @@ -96,9 +97,9 @@ static int devices_scan_subsystem(struct udev *udev, util_strlcpy(syspath, path, sizeof(syspath)); util_strlcat(syspath, "/", sizeof(syspath)); util_strlcat(syspath, dent->d_name, sizeof(syspath)); - if (stat(syspath, &statbuf) != 0) - continue; - if (!S_ISDIR(statbuf.st_mode)) + util_strlcpy(filename, syspath, sizeof(filename)); + util_strlcat(filename, "/uevent", sizeof(filename)); + if (stat(filename, &statbuf) != 0) continue; util_resolve_sys_link(udev, syspath, sizeof(syspath)); list_entry_add(udev, devices_list, syspath, NULL, 1, 1); @@ -117,8 +118,11 @@ static int devices_scan_subsystems(struct udev *udev, struct udev_list_entry *list_entry; /* if list of subsystems to scan is given, just use this list */ - udev_list_entry_foreach(list_entry, subsystem_include_list) + udev_list_entry_foreach(list_entry, subsystem_include_list) { + if (udev_list_entry_get_by_name(subsystem_exclude_list, udev_list_entry_get_name(list_entry)) != NULL) + continue; devices_scan_subsystem(udev, basedir, udev_list_entry_get_name(list_entry), subdir, devices_list); + } } else { char path[UTIL_PATH_SIZE]; DIR *dir; @@ -213,10 +217,10 @@ struct udev_enumerate *udev_enumerate_new_from_devices(struct udev *udev, const } va_end(vargs); - /* if we have /sys/subsystem/, forget all the old stuff */ util_strlcpy(base, udev_get_sys_path(udev), sizeof(base)); util_strlcat(base, "/subsystem", sizeof(base)); if (stat(base, &statbuf) == 0) { + /* we have /subsystem/, forget all the old stuff */ info(udev, "searching '/subsystem/*/devices/*' dir\n"); devices_scan_subsystems(udev, "/subsystem", "/devices", list_get_entry(&subsystem_include_list), @@ -233,6 +237,25 @@ struct udev_enumerate *udev_enumerate_new_from_devices(struct udev *udev, const list_get_entry(&subsystem_include_list), list_get_entry(&subsystem_exclude_list), &udev_enumerate->devices_list); + /* if block isn't a class, scan /block/ */ + util_strlcpy(base, udev_get_sys_path(udev), sizeof(base)); + util_strlcat(base, "/class/block", sizeof(base)); + if (stat(base, &statbuf) != 0) { + struct udev_list_entry *include_list = list_get_entry(&subsystem_include_list); + struct udev_list_entry *exclude_list = list_get_entry(&subsystem_exclude_list); + int include_block = (include_list == NULL || udev_list_entry_get_by_name(include_list, "block") != NULL); + int exclude_block = (udev_list_entry_get_by_name(exclude_list, "block") != NULL); + + if (include_block && !exclude_block) { + info(udev, "searching '/block/*/*' dir\n"); + /* scan disks */ + devices_scan_subsystem(udev, "/block", NULL, NULL, &udev_enumerate->devices_list); + /* scan partitions */ + devices_scan_subsystems(udev, "/block", NULL, + NULL, NULL, + &udev_enumerate->devices_list); + } + } } list_cleanup(udev, &subsystem_include_list); |