api_extensions: introduce idmapped_mounts_v2 api extension

This indicates that LXC supports idmapping the rootfs and
idmapped lxc.mount.entry entries.

Link: https://github.com/lxc/lxd/issues/8870
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/doc/api-extensions.md b/doc/api-extensions.md
index e45b887635dfe8b406ad42064e8949e4d43b0864..bfe5a9f67da61b3ec7ebec5fb7508037fe164405 100644 (file)
--- a/doc/api-extensions.md
+++ b/doc/api-extensions.md
@@ -147,4 +147,9 @@ Whether the seccomp notify proxy sends a long a notify fd file descriptor.
 
 ## idmapped\_mounts
 
-Whether this LXC instance can handle idmapped mounts.
+Whether this LXC instance can handle idmapped mounts for the rootfs.
+
+## idmapped\_mounts\_v2
+
+Whether this LXC instance can handle idmapped mounts for lxc.mount.entry
+entries.

diff --git a/src/lxc/api_extensions.h b/src/lxc/api_extensions.h
index 3da3b6deb09228d68c30482ecec60b66282c407b..04e37fd54e72c2bf7106b6026245a4ba3bb5303a 100644 (file)
--- a/src/lxc/api_extensions.h
+++ b/src/lxc/api_extensions.h
@@ -45,6 +45,7 @@ static char *api_extensions[] = {
        "seccomp_notify_fd_active",
        "seccomp_proxy_send_notify_fd",
        "idmapped_mounts",
+       "idmapped_mounts_v2",
 };
 
 static size_t nr_api_extensions = sizeof(api_extensions) / sizeof(*api_extensions);