On Tue, Dec 02, 2014 at 05:33:37PM +0800, Hu Tao wrote:
btrfs_qgroup_create creates a new qgroup.
Signed-off-by: Hu Tao <hutao(a)cn.fujitsu.com>
---
daemon/btrfs.c | 32 ++++++++++++++++++++++++++++++++
generator/actions.ml | 9 +++++++++
src/MAX_PROC_NR | 2 +-
3 files changed, 42 insertions(+), 1 deletion(-)
diff --git a/daemon/btrfs.c b/daemon/btrfs.c
index 033d460..dccaf5a 100644
--- a/daemon/btrfs.c
+++ b/daemon/btrfs.c
@@ -1120,3 +1120,35 @@ int do_btrfs_qgroup_limit (const char *subvolume, const char
*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 5d64350..608ddf6 100644
--- a/generator/actions.ml
+++ b/generator/actions.ml
@@ -12082,6 +12082,15 @@ 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 431;
+ optional = Some "btrfs"; camel_name = "BTRFSQgroupCreate";
+ 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 c15fb93..ed4f162 100644
--- a/src/MAX_PROC_NR
+++ b/src/MAX_PROC_NR
@@ -1 +1 @@
-430
+431
Seems OK, but there needs to be a test of qgroups.
Rich.
--
Richard Jones, Virtualization Group, Red Hat
http://people.redhat.com/~rjones
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