[Libguestfs] [PATCH 1/4] New API: btrfstune_S_enable

[Chen Hanxiao]

Signed-off-by: Chen Hanxiao <chenhanxiao at cn.fujitsu.com>
---
 daemon/btrfs.c       | 25 +++++++++++++++++++++++++
 generator/actions.ml | 16 ++++++++++++++++
 src/MAX_PROC_NR      |  2 +-
 3 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/daemon/btrfs.c b/daemon/btrfs.c
index d84c28e..c94c11a 100644
--- a/daemon/btrfs.c
+++ b/daemon/btrfs.c
@@ -2090,3 +2090,28 @@ do_btrfs_inspect_internal_logical_resolve (int64_t logical, const char *fs)
 
   return out;
 }
+
+int
+do_btrfstune_S_enable (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, "1");
+  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 7b7655d..6dccb5c 100644
--- a/generator/actions.ml
+++ b/generator/actions.ml
@@ -12531,6 +12531,22 @@ Get path on a btrfs filesystem for the given inode." };
     longdesc = "\
 Get path on a btrfs filesystem for the logical address." };
 
+  { defaults with
+    name = "btrfstune_S_enable";
+    style = RErr, [Device "device"], [];
+    proc_nr = Some 454;
+    optional = Some "btrfs"; camel_name = "BTRFSTuneSEnable";
+    tests = [
+      InitPartition, Always, TestRun (
+        [["mkfs_btrfs"; "/dev/sda1"; ""; ""; "NOARG"; ""; "NOARG"; "NOARG"; ""; ""];
+         ["btrfstune_S_enable"; "/dev/sda1"]]), []
+    ];
+
+    shortdesc = "enable seeding of a btrfs device";
+    longdesc = "\
+Enable seeding of a btrfs device, this will force a fs readonly
+so that you can use it tto build other filesystems." };
+
 ]
 
 (* Non-API meta-commands available only in guestfish.
diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR
index 534b992..515f19a 100644
--- a/src/MAX_PROC_NR
+++ b/src/MAX_PROC_NR
@@ -1 +1 @@
-453
+454
-- 
2.1.0