[Libguestfs] [PATCH 10/11] New API: btrfs_qgroup_assign
Richard W.M. Jones
rjones at redhat.com
Fri Dec 5 12:37:06 UTC 2014
On Fri, Dec 05, 2014 at 04:20:41PM +0800, Hu Tao wrote:
> btrfs_qgroup_assign adds a qgroup to a parent qgroup.
>
> Signed-off-by: Hu Tao <hutao at cn.fujitsu.com>
> ---
> daemon/btrfs.c | 33 +++++++++++++++++++++++++++++++++
> generator/actions.ml | 10 ++++++++++
> src/MAX_PROC_NR | 2 +-
> 3 files changed, 44 insertions(+), 1 deletion(-)
>
> diff --git a/daemon/btrfs.c b/daemon/btrfs.c
> index 3d7e79c..0a04dd3 100644
> --- a/daemon/btrfs.c
> +++ b/daemon/btrfs.c
> @@ -1272,3 +1272,36 @@ error:
>
> return NULL;
> }
> +
> +int do_btrfs_qgroup_assign (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, "assign");
> + 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 c7df0dd..deb2d58 100644
> --- a/generator/actions.ml
> +++ b/generator/actions.ml
> @@ -12110,6 +12110,16 @@ Destroy a quota group." };
> Show all subvolume quota groups in a btrfs filesystem, inclding their
> usages." };
>
> + { defaults with
> + name = "btrfs_qgroup_assign";
> + style = RErr, [String "src"; String "dst"; Pathname "path"], [];
> + proc_nr = Some 434;
> + optional = Some "btrfs"; camel_name = "BTRFSQgroupAssign";
> + shortdesc = "add a qgroup to a parent qgroup";
> + longdesc = "\
> +Add qgroup C<src> to parent qgroup C<dst>. This command can group
> +several qgroups into a parent qgroup to share common limit." };
> +
> ]
>
> (* Non-API meta-commands available only in guestfish.
> diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR
> index 21fbd2e..e828e5d 100644
> --- a/src/MAX_PROC_NR
> +++ b/src/MAX_PROC_NR
> @@ -1 +1 @@
> -433
> +434
Looks OK, needs a test.
Rich.
--
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