bcachefs-tools/cmd_data.c

#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,
	});
}