[Libguestfs] [PATCH 2/4] New API: btrfstune_S_disable

[Chen Hanxiao]

Signed-off-by: Chen Hanxiao <chenhanxiao at cn.fujitsu.com>
---
 daemon/btrfs.c       | 26 ++++++++++++++++++++++++++
 generator/actions.ml | 18 ++++++++++++++++++
 src/MAX_PROC_NR      |  2 +-
 3 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/daemon/btrfs.c b/daemon/btrfs.c
index c94c11a..a129e2e 100644
--- a/daemon/btrfs.c
+++ b/daemon/btrfs.c
@@ -2115,3 +2115,29 @@ do_btrfstune_S_enable (const char *device)
 
   return 0;
 }
+
+int
+do_btrfstune_S_disable (const char *device)
+{
+  const size_t MAX_ARGS = 64;
+  const char *argv[MAX_ARGS];
+  size_t i = 0;
+  CLEANUP_FREE char *err = NULL;
+  CLEANUP_FREE char *out = NULL;
+  int r;
+
+  ADD_ARG (argv, i, str_btrfstune);
+  ADD_ARG (argv, i, "-S");
+  ADD_ARG (argv, i, "0");
+  ADD_ARG (argv, i, "-f");
+  ADD_ARG (argv, i, device);
+  ADD_ARG (argv, i, NULL);
+
+  r = commandv (&out, &err, argv);
+  if (r == -1) {
+    reply_with_error ("%s: %s", device, err);
+    return -1;
+  }
+
+  return 0;
+}
diff --git a/generator/actions.ml b/generator/actions.ml
index 6dccb5c..3c906a4 100644
--- a/generator/actions.ml
+++ b/generator/actions.ml
@@ -12547,6 +12547,24 @@ Get path on a btrfs filesystem for the logical address." };
 Enable seeding of a btrfs device, this will force a fs readonly
 so that you can use it tto build other filesystems." };
 
+  { defaults with
+    name = "btrfstune_S_disable";
+    style = RErr, [Device "device"], [];
+    proc_nr = Some 455;
+    optional = Some "btrfs"; camel_name = "BTRFSTuneSDisable";
+    tests = [
+      InitPartition, Always, TestRun (
+        [["mkfs_btrfs"; "/dev/sda1"; ""; ""; "NOARG"; ""; "NOARG"; "NOARG"; ""; ""];
+         ["btrfstune_S_enable"; "/dev/sda1"];
+         ["btrfstune_S_disable"; "/dev/sda1"]]), []
+    ];
+
+    shortdesc = "disable seeding of a btrfs device";
+    longdesc = "\
+    This will disable seeding of a btrfs device.
+    Warning: This is dangerous, clearing the seeding flag
+    may cause the derived device not to be mountable!" };
+
 ]
 
 (* Non-API meta-commands available only in guestfish.
diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR
index 515f19a..4930863 100644
--- a/src/MAX_PROC_NR
+++ b/src/MAX_PROC_NR
@@ -1 +1 @@
-454
+455
-- 
2.1.0