initial code repo

[stor4nfv.git] / src / ceph / qa / btrfs / create_async_snap.c

diff --git a/src/ceph/qa/btrfs/create_async_snap.c b/src/ceph/qa/btrfs/create_async_snap.c
new file mode 100644 (file)
index 0000000..2ef22af
--- /dev/null
+++ b/src/ceph/qa/btrfs/create_async_snap.c
@@ -0,0 +1,34 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <string.h>
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+#include "../../src/os/btrfs_ioctl.h"
+
+struct btrfs_ioctl_vol_args_v2 va;
+
+int main(int argc, char **argv)
+{
+       int fd;
+       int r;
+
+       if (argc != 3) {
+               printf("usage: %s <source subvol> <name>\n", argv[0]);
+               return 1;
+       }
+       printf("creating snap ./%s from %s\n", argv[2], argv[1]);
+       fd = open(".", O_RDONLY);
+       va.fd = open(argv[1], O_RDONLY);
+       va.flags = BTRFS_SUBVOL_CREATE_ASYNC;
+       strcpy(va.name, argv[2]);
+       r = ioctl(fd, BTRFS_IOC_SNAP_CREATE_V2, (unsigned long long)&va);
+       printf("result %d\n", r ? -errno:0);
+       return r;
+}