move Rust sources to top level, C sources into c_src

[bcachefs-tools-debian] / c_src / cmd_counters.c

diff --git a/c_src/cmd_counters.c b/c_src/cmd_counters.c
new file mode 100644 (file)
index 0000000..9adde24
--- /dev/null
+++ b/c_src/cmd_counters.c
@@ -0,0 +1,51 @@
+#include <getopt.h>
+
+#include "cmds.h"
+#include "libbcachefs.h"
+#include "libbcachefs/super-io.h"
+
+static void reset_counters_usage(void)
+{
+       puts("bcachefs reset-counters \n"
+            "Usage: bcachefs reset-counters device\n"
+            "\n"
+            "Options:\n"
+            "  -h, --help                  display this help and exit\n"
+            "Report bugs to <linux-bcachefs@vger.kernel.org>");
+       exit(EXIT_SUCCESS);
+}
+
+int cmd_reset_counters(int argc, char *argv[])
+{
+       static const struct option longopts[] = {
+               { "help",                       0, NULL, 'h' },
+               { NULL }
+       };
+       int opt;
+
+       while ((opt = getopt_long(argc, argv, "h", longopts, NULL)) != -1)
+               switch (opt) {
+               case 'h':
+                       reset_counters_usage();
+                       break;
+               }
+       args_shift(optind);
+
+       char *dev = arg_pop();
+       if (!dev)
+               die("please supply a device");
+       if (argc)
+               die("too many arguments");
+
+       struct bch_opts opts = bch2_opts_empty();
+       struct bch_sb_handle sb;
+       int ret = bch2_read_super(dev, &opts, &sb);
+       if (ret)
+               die("Error opening %s: %s", dev, bch2_err_str(ret));
+
+       bch2_sb_field_resize(&sb, counters, 0);
+
+       bch2_super_write(sb.bdev->bd_fd, sb.sb);
+       bch2_free_super(&sb);
+       return 0;
+}