[Libguestfs] [PATCH v3 07/11] New API: btrfs_qgroup_create
btrfs_qgroup_create creates a new qgroup.
Signed-off-by: Hu Tao <hutao(a)cn.fujitsu.com>
---
daemon/btrfs.c | 33 +++++++++++++++++++++++++++++++++
generator/actions.ml | 17 +++++++++++++++++
src/MAX_PROC_NR | 2 +-
3 files changed, 51 insertions(+), 1 deletion(-)
diff --git a/daemon/btrfs.c b/daemon/btrfs.c
index 01fd0cf..89a7ddc 100644
--- a/daemon/btrfs.c
+++ b/daemon/btrfs.c
@@ -1119,3 +1119,36 @@ do_btrfs_qgroup_limit (const char *subvolume, int64_t size)
return 0;
}
+
+int
+do_btrfs_qgroup_create (const char *qgroupid, const char *subvolume)
+{
+ const size_t MAX_ARGS = 64;
+ const char *argv[MAX_ARGS];
+ size_t i = 0;
+ CLEANUP_FREE char *subvolume_buf = NULL;
+ CLEANUP_FREE char *err = NULL;
+ CLEANUP_FREE char *out = NULL;
+ int r;
+
+ subvolume_buf = sysroot_path (subvolume);
+ if (subvolume_buf == NULL) {
+ reply_with_perror ("malloc");
+ return -1;
+ }
+
+ ADD_ARG (argv, i, str_btrfs);
+ ADD_ARG (argv, i, "qgroup");
+ ADD_ARG (argv, i, "create");
+ ADD_ARG (argv, i, qgroupid);
+ ADD_ARG (argv, i, subvolume_buf);
+ ADD_ARG (argv, i, NULL);
+
+ r = commandv (&out, &err, argv);
+ if (r == -1) {
+ reply_with_error ("%s: %s", subvolume, err);
+ return -1;
+ }
+
+ return 0;
+}
diff --git a/generator/actions.ml b/generator/actions.ml
index 6352851..a44d939 100644
--- a/generator/actions.ml
+++ b/generator/actions.ml
@@ -12140,6 +12140,23 @@ Trash all qgroup numbers and scan the metadata again with the
current config." }
Limit the size of a subvolume which's path is C<subvolume>. C<size>
can have suffix of G, M, or K. " };
+ { defaults with
+ name = "btrfs_qgroup_create";
+ style = RErr, [String "qgroupid"; Pathname "subvolume"], [];
+ proc_nr = Some 430;
+ optional = Some "btrfs"; camel_name = "BTRFSQgroupCreate";
+ tests = [
+ InitPartition, Always, TestRun (
+ [["mkfs_btrfs"; "/dev/sda1"; ""; "";
"NOARG"; ""; "NOARG"; "NOARG"; "";
""];
+ ["mount"; "/dev/sda1"; "/"];
+ ["btrfs_quota_enable"; "/"; "true"];
+ ["btrfs_subvolume_create"; "/sub1"; "NOARG"];
+ ["btrfs_qgroup_create"; "0/1000"; "/sub1"]]), [];
+ ];
+ shortdesc = "create a subvolume quota group";
+ longdesc = "\
+Create a quota group (qgroup) for subvolume at C<subvolume>." };
+
]
(* Non-API meta-commands available only in guestfish.
diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR
index 3560666..c15fb93 100644
--- a/src/MAX_PROC_NR
+++ b/src/MAX_PROC_NR
@@ -1 +1 @@
-429
+430
--
1.9.3