1 files changed, 48 insertions, 0 deletions
diff --git a/cmd_data.c b/cmd_data.c
new file mode 100644
index 00000000..f495b6c0
--- /dev/null
+++ b/cmd_data.c
@@ -0,0 +1,48 @@
+
+
+#include <stdio.h>
+#include <sys/ioctl.h>
+
+#include "libbcachefs/bcachefs_ioctl.h"
+
+#include "cmds.h"
+#include "libbcachefs.h"
+
+static void data_rereplicate_usage(void)
+{
+	puts("bcachefs data rereplicate\n"
+	     "Usage: bcachefs data rereplicate filesystem\n"
+	     "\n"
+	     "Walks existing data in a filesystem, writing additional copies\n"
+	     "of any degraded data\n"
+	     "\n"
+	     "Options:\n"
+	     "  -h, --help                  display this help and exit\n"
+	     "Report bugs to <linux-bcache@vger.kernel.org>");
+	exit(EXIT_SUCCESS);
+}
+
+int cmd_data_rereplicate(int argc, char *argv[])
+{
+	int opt;
+
+	while ((opt = getopt(argc, argv, "h")) != -1)
+		switch (opt) {
+		case 'h':
+			data_rereplicate_usage();
+		}
+	args_shift(optind);
+
+	char *fs_path = arg_pop();
+	if (!fs_path)
+		die("Please supply a filesystem");
+
+	if (argc)
+		die("too many arguments");
+
+	return bchu_data(bcache_fs_open(fs_path), (struct bch_ioctl_data) {
+		.op	= BCH_DATA_OP_REREPLICATE,
+		.start	= POS_MIN,
+		.end	= POS_MAX,
+	});
+}