[Libguestfs] [PATCH 11/11] New API: btrfs_qgroup_remove

[Richard W.M. Jones]

On Fri, Dec 05, 2014 at 04:20:42PM +0800, Hu Tao wrote:
> btrfs_qgroup_remove removes a qgroup from its parent qgroup.
> 
> Signed-off-by: Hu Tao <hutao at cn.fujitsu.com>
> ---
>  daemon/btrfs.c       | 33 +++++++++++++++++++++++++++++++++
>  generator/actions.ml |  9 +++++++++
>  src/MAX_PROC_NR      |  2 +-
>  3 files changed, 43 insertions(+), 1 deletion(-)
> 
> diff --git a/daemon/btrfs.c b/daemon/btrfs.c
> index 0a04dd3..d40c432 100644
> --- a/daemon/btrfs.c
> +++ b/daemon/btrfs.c
> @@ -1305,3 +1305,36 @@ int do_btrfs_qgroup_assign (const char *src, const char *dst, const char *path)
>  
>    return 0;
>  }
> +
> +int do_btrfs_qgroup_remove (const char *src, const char *dst, const char *path)
> +{
> +  const size_t MAX_ARGS = 64;
> +  const char *argv[MAX_ARGS];
> +  size_t i = 0;
> +  CLEANUP_FREE char *path_buf = NULL;
> +  CLEANUP_FREE char *err = NULL;
> +  CLEANUP_FREE char *out = NULL;
> +  int r;
> +
> +  path_buf = sysroot_path (path);
> +  if (path_buf == NULL) {
> +    reply_with_perror ("malloc");
> +    return -1;
> +  }
> +
> +  ADD_ARG (argv, i, str_btrfs);
> +  ADD_ARG (argv, i, "qgroup");
> +  ADD_ARG (argv, i, "remove");
> +  ADD_ARG (argv, i, src);
> +  ADD_ARG (argv, i, dst);
> +  ADD_ARG (argv, i, path_buf);
> +  ADD_ARG (argv, i, NULL);
> +
> +  r = commandv (&out, &err, argv);
> +  if (r == -1) {
> +    reply_with_error ("%s: %s", path, err);
> +    return -1;
> +  }
> +
> +  return 0;
> +}
> diff --git a/generator/actions.ml b/generator/actions.ml
> index deb2d58..c1169cc 100644
> --- a/generator/actions.ml
> +++ b/generator/actions.ml
> @@ -12120,6 +12120,15 @@ usages." };
>  Add qgroup C<src> to parent qgroup C<dst>. This command can group
>  several qgroups into a parent qgroup to share common limit." };
>  
> +  { defaults with
> +    name = "btrfs_qgroup_remove";
> +    style = RErr, [String "src"; String "dst"; Pathname "path"], [];
> +    proc_nr = Some 435;
> +    optional = Some "btrfs"; camel_name = "BTRFSQgroupRemove";
> +    shortdesc = "remove a qgroup from its parent qgroup";
> +    longdesc = "\
> +Remove qgroup C<src> from the parent qgroup C<dst>." };
> +
>  ]

Ditto.

Rich.

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