[Libguestfs] [PATCH v3 10/11] New API: btrfs_qgroup_assign

btrfs_qgroup_assign adds a qgroup to a parent qgroup. Signed-off-by: Hu Tao <hutao(a)cn.fujitsu.com&gt; --- daemon/btrfs.c | 34 ++++++++++++++++++++++++++++++++++ generator/actions.ml | 19 +++++++++++++++++++ src/MAX_PROC_NR | 2 +- 3 files changed, 54 insertions(+), 1 deletion(-) diff --git a/daemon/btrfs.c b/daemon/btrfs.c index cde84fe..7bb1ca0 100644 --- a/daemon/btrfs.c +++ b/daemon/btrfs.c @@ -1274,3 +1274,37 @@ 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 8a03000..67cd7ab 100644 --- a/generator/actions.ml +++ b/generator/actions.ml @@ -12194,6 +12194,25 @@ 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 433; + optional = Some "btrfs"; camel_name = "BTRFSQgroupAssign"; + tests = [ + InitPartition, Always, TestRun ( + [["mkfs_btrfs"; "/dev/sda1"; ""; ""; "NOARG"; ""; "NOARG"; "NOARG"; ""; ""]; + ["mount"; "/dev/sda1"; "/"]; + ["btrfs_quota_enable"; "/"; "true"]; + ["btrfs_qgroup_create"; "0/1000"; "/"]; + ["btrfs_qgroup_create"; "1/1000"; "/"]; + ["btrfs_qgroup_assign"; "0/1000"; "1/1000"; "/"]]), []; + ]; + 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 84796bf..21fbd2e 100644 --- a/src/MAX_PROC_NR +++ b/src/MAX_PROC_NR @@ -1 +1 @@ -432 +433 -- 1.9.3