File 0013-re-enable-by_path-links-for-ata-devices.patch of Package udev

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File 0013-re-enable-by_path-links-for-ata-devices.patch of Package udev (Revision a765ba302b09f7f22c9e5c18d355a2e0)

Currently displaying revision a765ba302b09f7f22c9e5c18d355a2e0 , Show latest

Index: udev-182/src/udev-builtin-path_id.c
===================================================================
--- udev-182.orig/src/udev-builtin-path_id.c
+++ udev-182/src/udev-builtin-path_id.c
@@ -286,6 +286,26 @@ 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;
+
+        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;
+
+        path_prepend(path, "scsi-%u:%u:%u:%u", host, bus, target, lun);
+        return parent;
+}
+
 static struct udev_device *handle_scsi(struct udev_device *parent, char **path)
 {
         const char *devtype;
@@ -323,15 +343,14 @@ static struct udev_device *handle_scsi(s
         }
 
         /*
-         * 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.
+         * Ugly way to make by-path links for ata devices.
+         * Using the handle_scsi_default function make all host
+         * equal to 0 which is a problem.
+         *
          */
+
         if (strstr(name, "/ata") != NULL) {
-                parent = NULL;
+                parent = handle_ata(parent, path);
                 goto out;
         }

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File 0013-re-enable-by_path-links-for-ata-devices.patch of Package udev (Revision a765ba302b09f7f22c9e5c18d355a2e0)

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