[PATCH 1 of 5] libxl: Remove frontend and backend devices from xenstore after destroy

[Marek Marczykowski <marmarek@mimuw.edu.pl>]

# HG changeset patch
# User Marek Marczykowski <marmarek@mimuw.edu.pl>
# Date 1307285159 -7200
# Node ID 969051f07ee813d2a556f50d37cf59d4e509bf67
# Parent  43acc031eb24945973dffda2b7caf976993bbd5f
libxl: Remove frontend and backend devices from xenstore after destroy

Cleanup frontend and backend devices from xenstore for all dev types - not only
disks. Because backend cleanup moved to libxl__device_destroy,
libxl__devices_destroy is somehow simpler.

Signed-off-by: Marek Marczykowski <marmarek@mimuw.edu.pl>

diff --git a/tools/libxl/libxl_device.c b/tools/libxl/libxl_device.c
--- a/tools/libxl/libxl_device.c
+++ b/tools/libxl/libxl_device.c
@@ -269,7 +269,9 @@ retry_transaction:
     if (!force) {
         xs_watch(ctx->xsh, state_path, be_path);
         rc = 1;
-    }
+    } else {
+		xs_rm(ctx->xsh, XBT_NULL, be_path);
+	}
 out:
     libxl__free_all(&gc);
     return rc;
@@ -310,10 +312,8 @@ int libxl__devices_destroy(libxl_ctx *ct
     char *path, *be_path, *fe_path;
     unsigned int num1, num2;
     char **l1 = NULL, **l2 = NULL;
-    int i, j, n = 0, n_watches = 0;
-    flexarray_t *toremove;
+    int i, j, n_watches = 0;
 
-    toremove = flexarray_make(16, 1);
     path = libxl__sprintf(&gc, "/local/domain/%d/device", domid);
     l1 = libxl__xs_directory(&gc, XBT_NULL, path, &num1);
     if (!l1) {
@@ -337,7 +337,6 @@ int libxl__devices_destroy(libxl_ctx *ct
             if (be_path != NULL) {
                 if (libxl__device_destroy(ctx, be_path, force) > 0)
                     n_watches++;
-                flexarray_set(toremove, n++, libxl__dirname(&gc, be_path));
             } else {
                 xs_rm(ctx->xsh, XBT_NULL, path);
             }
@@ -350,7 +349,6 @@ int libxl__devices_destroy(libxl_ctx *ct
     if (be_path && strcmp(be_path, "")) {
         if (libxl__device_destroy(ctx, be_path, force) > 0)
             n_watches++;
-        flexarray_set(toremove, n++, libxl__dirname(&gc, be_path));
     }
 
     if (!force) {
@@ -370,12 +368,7 @@ int libxl__devices_destroy(libxl_ctx *ct
             }
         }
     }
-    for (i = 0; i < n; i++) {
-        flexarray_get(toremove, i, (void**) &path);
-        xs_rm(ctx->xsh, XBT_NULL, path);
-    }
 out:
-    flexarray_free(toremove);
     libxl__free_all(&gc);
     return 0;
 }
@@ -401,6 +394,7 @@ int libxl__device_del(libxl_ctx *ctx, li
         (void)wait_for_dev_destroy(ctx, &tv);
     }
 
+    xs_rm(ctx->xsh, XBT_NULL, libxl__device_frontend_path(&gc, dev));
     rc = 0;
 
 out: