6dd417b710
- udev is GPL-2.0, the rest remains LGPL-2.1+ (bnc#787824) OBS-URL: https://build.opensuse.org/request/show/139993 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/systemd?expand=0&rev=111
109 lines
3.6 KiB
Diff
109 lines
3.6 KiB
Diff
Index: udev-182/src/udev-builtin-path_id.c
|
|
===================================================================
|
|
--- udev-182.orig/src/udev/udev-builtin-path_id.c
|
|
+++ udev-182/src/udev/udev-builtin-path_id.c
|
|
@@ -286,6 +286,85 @@ out:
|
|
return hostdev;
|
|
}
|
|
|
|
+static struct udev_device *handle_ata(struct udev_device *parent, char **path)
|
|
+{
|
|
+ struct udev_device *hostdev;
|
|
+ int host, bus, target, lun;
|
|
+ const char *name;
|
|
+ char *base;
|
|
+ char *pos;
|
|
+ DIR *dir;
|
|
+ struct dirent *dent;
|
|
+ int basenum, len;
|
|
+
|
|
+ hostdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_host");
|
|
+ if (hostdev == NULL)
|
|
+ return NULL;
|
|
+
|
|
+ name = udev_device_get_sysname(parent);
|
|
+ if (sscanf(name, "%d:%d:%d:%d", &host, &bus, &target, &lun) != 4)
|
|
+ return NULL;
|
|
+
|
|
+ /* rebase ata offset to get the local relative number */
|
|
+ basenum = -1;
|
|
+ base = strdup(udev_device_get_syspath(hostdev));
|
|
+ if (base == NULL)
|
|
+ return NULL;
|
|
+ pos = strrchr(base, '/');
|
|
+ if (pos == NULL) {
|
|
+ parent = NULL;
|
|
+ goto out;
|
|
+ }
|
|
+ pos[0] = '\0';
|
|
+ len = strlen(base) - 5;
|
|
+ if (len <= 0) {
|
|
+ parent = NULL;
|
|
+ goto out;
|
|
+ }
|
|
+ base[len] = '\0';
|
|
+ dir = opendir(base);
|
|
+ if (dir == NULL) {
|
|
+ parent = NULL;
|
|
+ goto out;
|
|
+ }
|
|
+ for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
|
|
+ char *rest;
|
|
+ int i;
|
|
+
|
|
+ if (dent->d_name[0] == '.')
|
|
+ continue;
|
|
+ if (dent->d_type != DT_DIR && dent->d_type != DT_LNK)
|
|
+ continue;
|
|
+ if (strncmp(dent->d_name, "ata", 3) != 0)
|
|
+ continue;
|
|
+ i = strtoul(&dent->d_name[3], &rest, 10);
|
|
+
|
|
+ /* ata devices start with 1, so decrease by 1 if i is bigger then 0 */
|
|
+ if (i > 0)
|
|
+ i--;
|
|
+ if (rest[0] != '\0')
|
|
+ continue;
|
|
+ /*
|
|
+ * find the smallest number; the host really needs to export its
|
|
+ * own instance number per parent device; relying on the global host
|
|
+ * enumeration and plainly rebasing the numbers sounds unreliable
|
|
+ */
|
|
+ if (basenum == -1 || i < basenum)
|
|
+ basenum = i;
|
|
+ }
|
|
+ closedir(dir);
|
|
+ if (basenum == -1) {
|
|
+ parent = NULL;
|
|
+ goto out;
|
|
+ }
|
|
+ host -= basenum;
|
|
+
|
|
+ path_prepend(path, "scsi-%u:%u:%u:%u", host, bus, target, lun);
|
|
+out:
|
|
+ free(base);
|
|
+ return hostdev;
|
|
+}
|
|
+
|
|
static struct udev_device *handle_scsi(struct udev_device *parent, char **path)
|
|
{
|
|
const char *devtype;
|
|
@@ -322,16 +401,8 @@ static struct udev_device *handle_scsi(s
|
|
goto out;
|
|
}
|
|
|
|
- /*
|
|
- * We do not support the ATA transport class, it creates duplicated link
|
|
- * names as the fake SCSI host adapters are all separated, they are all
|
|
- * re-based as host == 0. ATA should just stop faking two duplicated
|
|
- * hierarchies for a single topology and leave the SCSI stuff alone;
|
|
- * until that happens, there are no by-path/ links for ATA devices behind
|
|
- * an ATA transport class.
|
|
- */
|
|
if (strstr(name, "/ata") != NULL) {
|
|
- parent = NULL;
|
|
+ parent = handle_ata(parent, path);
|
|
goto out;
|
|
}
|
|
|