>From dd422b9797b2b73764bb04ec46aebbf7b08cb9d8 Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Wed, 22 Jun 2011 13:55:14 +0100
Subject: [PATCH 2/2] New API: mount-9p lets you mount 9p filesystems
 (RHBZ#714981).

---
 daemon/9p.c                    |   55 ++++++++++++++++++++++++++++++++++++++++
 generator/generator_actions.ml |   11 ++++++++
 src/MAX_PROC_NR                |    2 +-
 3 files changed, 67 insertions(+), 1 deletions(-)

diff --git a/daemon/9p.c b/daemon/9p.c
index bc95803..27b2230 100644
--- a/daemon/9p.c
+++ b/daemon/9p.c
@@ -168,3 +168,58 @@ read_whole_file (const char *filename)
 
   return r;
 }
+
+int
+do_mount_9p (const char *options, const char *mount_tag, const char *mountpoint)
+{
+  char *mp = NULL, *opts = NULL, *err = NULL;
+  struct stat statbuf;
+  int r = -1;
+
+  ABS_PATH (mountpoint, , return -1);
+
+  mp = sysroot_path (mountpoint);
+  if (!mp) {
+    reply_with_perror ("malloc");
+    goto out;
+  }
+
+  /* Check the mountpoint exists and is a directory. */
+  if (stat (mp, &statbuf) == -1) {
+    reply_with_perror ("%s", mountpoint);
+    goto out;
+  }
+  if (!S_ISDIR (statbuf.st_mode)) {
+    reply_with_perror ("%s: mount point is not a directory", mountpoint);
+    goto out;
+  }
+
+  /* Add trans=virtio to the options. */
+  if (STREQ (options, "")) {
+    opts = strdup ("trans=virtio");
+    if (opts == NULL) {
+      reply_with_perror ("strdup");
+      goto out;
+    }
+  }
+  else {
+    if (asprintf (&opts, "trans=virtio,%s", options) == -1) {
+      reply_with_perror ("asprintf");
+      goto out;
+    }
+  }
+
+  r = command (NULL, &err,
+               "mount", "-o", opts, "-t", "9p", mount_tag, mp, NULL);
+  if (r == -1) {
+    reply_with_error ("%s on %s: %s", mount_tag, mountpoint, err);
+    goto out;
+  }
+
+  r = 0;
+ out:
+  free (err);
+  free (opts);
+  free (mp);
+  return r;
+}
diff --git a/generator/generator_actions.ml b/generator/generator_actions.ml
index 634ceeb..27a02d0 100644
--- a/generator/generator_actions.ml
+++ b/generator/generator_actions.ml
@@ -5967,6 +5967,17 @@ Note that for large devices this can take a long time to run.");
 List all 9p filesystems attached to the guest.  A list of
 mount tags is returned.");
 
+  ("mount_9p", (RErr, [String "options"; String "mounttag"; String "mountpoint"], []), 286, [],
+   [],
+   "mount 9p filesystem",
+   "\
+Mount the virtio-9p filesystem with the tag C<mounttag> on the
+directory C<mountpoint>.
+
+If required, C<trans=virtio> will be automatically added to the options.
+Any other options required can be passed in the C<options> parameter,
+or this can be left as an empty string.");
+
 ]
 
 let all_functions = non_daemon_functions @ daemon_functions
diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR
index 6cf4452..c20f657 100644
--- a/src/MAX_PROC_NR
+++ b/src/MAX_PROC_NR
@@ -1 +1 @@
-285
+286
-- 
1.7.5.2