[thirdparty/util-linux.git] / sys-utils / blkdiscard.c

/*
 * blkdiscard.c -- discard the part (or whole) of the block device.
 *
 * Copyright (C) 2012 Red Hat, Inc. All rights reserved.
 * Written by Lukas Czerner <lczerner@redhat.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * This program uses BLKDISCARD ioctl to discard part or the whole block
 * device if the device supports it. You can specify range (start and
 * length) to be discarded, or simply discard the whole device.
 */


#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <fcntl.h>
#include <limits.h>
#include <getopt.h>
#include <time.h>

#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <linux/fs.h>

#ifdef HAVE_LIBBLKID
# include <blkid.h>
#endif

#include "nls.h"
#include "strutils.h"
#include "c.h"
#include "closestream.h"
#include "monotonic.h"
#include "exitcodes.h"

#ifndef BLKDISCARD
# define BLKDISCARD	_IO(0x12,119)
#endif

#ifndef BLKSECDISCARD
# define BLKSECDISCARD	_IO(0x12,125)
#endif

#ifndef BLKZEROOUT
# define BLKZEROOUT	_IO(0x12,127)
#endif

enum {
	ACT_DISCARD = 0,	/* default */
	ACT_ZEROOUT,
	ACT_SECURE
};

static int quiet;

static void print_stats(int act, char *path, uint64_t stats[])
{
	switch (act) {
	case ACT_ZEROOUT:
		printf(_("%s: Zero-filled %" PRIu64 " bytes from the offset %" PRIu64"\n"), \
			path, stats[1], stats[0]);
		break;
	case ACT_SECURE:
	case ACT_DISCARD:
		printf(_("%s: Discarded %" PRIu64 " bytes from the offset %" PRIu64"\n"), \
			path, stats[1], stats[0]);
		break;
	}
}

static void __attribute__((__noreturn__)) usage(void)
{
	FILE *out = stdout;
	fputs(USAGE_HEADER, out);
	fprintf(out,
	      _(" %s [options] <device>\n"), program_invocation_short_name);

	fputs(USAGE_SEPARATOR, out);
	fputs(_("Discard the content of sectors on a device.\n"), out);

	fputs(USAGE_OPTIONS, out);
	fputs(_(" -f, --force         disable all checking\n"), out);
	fputs(_(" -l, --length <num>  length of bytes to discard from the offset\n"), out);
	fputs(_(" -o, --offset <num>  offset in bytes to discard from\n"), out);
	fputs(_(" -p, --step <num>    size of the discard iterations within the offset\n"), out);
	fputs(_(" -q, --quiet         suppress warning messages\n"), out);
	fputs(_(" -s, --secure        perform secure discard\n"), out);
	fputs(_(" -v, --verbose       print aligned length and offset\n"), out);
	fputs(_(" -z, --zeroout       zero-fill rather than discard\n"), out);

	fputs(USAGE_SEPARATOR, out);
	fprintf(out, USAGE_HELP_OPTIONS(21));

	fputs(USAGE_ARGUMENTS, out);
	fprintf(out, USAGE_ARG_SIZE(_("<num>")));

	fprintf(out, USAGE_MAN_TAIL("blkdiscard(8)"));
	exit(EXIT_SUCCESS);
}

#ifdef HAVE_LIBBLKID
/*
 * Check existing signature on the open fd
 * Returns	0  signature found
 * 		1  no signature
 * 		<0 error
 */
static int probe_device(int fd, char *path)
{
	const char *type;
	blkid_probe pr = NULL;
	int ret = -1;

	pr = blkid_new_probe();
	if (!pr || blkid_probe_set_device(pr, fd, 0, 0))
		return ret;

	blkid_probe_enable_superblocks(pr, TRUE);
	blkid_probe_enable_partitions(pr, TRUE);

	ret = blkid_do_fullprobe(pr);
	if (ret)
		goto out;

	if (!quiet) {
		if (!blkid_probe_lookup_value(pr, "TYPE", &type, NULL))
			warnx("%s contains existing file system (%s).",path ,type);
		else if (!blkid_probe_lookup_value(pr, "PTTYPE", &type, NULL))
			warnx("%s contains existing partition (%s).",path ,type);
		else
			warnx("%s contains existing signature.", path);
	}

out:
	blkid_free_probe(pr);
	return ret;
}
#endif /* HAVE_LIBBLKID */

static void __attribute__((__noreturn__)) err_on_ioctl(
			const char *ioctlname, const char *path)
{
	int exno = errno == EOPNOTSUPP ?
			EXIT_NOTSUPP : EXIT_FAILURE;

	err(exno, _("%s: %s ioctl failed"), ioctlname, path);
}

int main(int argc, char **argv)
{
	char *path;
	int c, fd, verbose = 0, secsize, force = 0;
	uint64_t end, blksize, step, range[2], stats[2];
	struct stat sb;
	struct timeval now = { 0 }, last = { 0 };
	int act = ACT_DISCARD;

	static const struct option longopts[] = {
	    { "force",     no_argument,       NULL, 'f' },
	    { "help",      no_argument,       NULL, 'h' },
	    { "length",    required_argument, NULL, 'l' },
	    { "offset",    required_argument, NULL, 'o' },
	    { "quiet",     no_argument,       NULL, 'q' },
	    { "secure",    no_argument,       NULL, 's' },
	    { "step",      required_argument, NULL, 'p' },
	    { "verbose",   no_argument,       NULL, 'v' },
	    { "version",   no_argument,       NULL, 'V' },
	    { "zeroout",   no_argument,       NULL, 'z' },
	    { NULL, 0, NULL, 0 }
	};

	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);
	close_stdout_atexit();

	range[0] = 0;
	range[1] = ULLONG_MAX;
	step = 0;

	while ((c = getopt_long(argc, argv, "hfVsvo:l:p:qz", longopts, NULL)) != -1) {
		switch(c) {
		case 'f':
			force = 1;
			break;
		case 'l':
			range[1] = strtosize_or_err(optarg,
					_("failed to parse length"));
			break;
		case 'o':
			range[0] = strtosize_or_err(optarg,
					_("failed to parse offset"));
			break;
		case 'p':
			step = strtosize_or_err(optarg,
					_("failed to parse step"));
			break;
		case 'q':
			quiet = 1;
			break;
		case 's':
			act = ACT_SECURE;
			break;
		case 'v':
			verbose = 1;
			break;
		case 'z':
			act = ACT_ZEROOUT;
			break;

		case 'h':
			usage();
		case 'V':
			print_version(EXIT_SUCCESS);
		default:
			errtryhelp(EXIT_FAILURE);
		}
	}

	if (optind == argc)
		errx(EXIT_FAILURE, _("no device specified"));

	path = argv[optind++];

	if (optind != argc) {
		warnx(_("unexpected number of arguments"));
		errtryhelp(EXIT_FAILURE);
	}

	fd = open(path, O_RDWR | (force ? 0 : O_EXCL));
	if (fd < 0)
		err(EXIT_FAILURE, _("cannot open %s"), path);

	if (fstat(fd, &sb) == -1)
		err(EXIT_FAILURE, _("stat of %s failed"), path);
	if (!S_ISBLK(sb.st_mode))
		errx(EXIT_FAILURE, _("%s: not a block device"), path);

	if (ioctl(fd, BLKGETSIZE64, &blksize))
		err(EXIT_FAILURE, _("%s: BLKGETSIZE64 ioctl failed"), path);
	if (ioctl(fd, BLKSSZGET, &secsize))
		err(EXIT_FAILURE, _("%s: BLKSSZGET ioctl failed"), path);

	/* check offset alignment to the sector size */
	if (range[0] % secsize)
		errx(EXIT_FAILURE, _("%s: offset %" PRIu64 " is not aligned "
			 "to sector size %i"), path, range[0], secsize);

	/* is the range end behind the end of the device ?*/
	if (range[0] > blksize)
		errx(EXIT_FAILURE, _("%s: offset is greater than device size"), path);
	end = range[0] + range[1];
	if (end < range[0] || end > blksize)
		end = blksize;

	range[1] = (step > 0) ? step : end - range[0];

	/* check length alignment to the sector size */
	if (range[1] % secsize)
		errx(EXIT_FAILURE, _("%s: length %" PRIu64 " is not aligned "
			 "to sector size %i"), path, range[1], secsize);
#ifdef HAVE_LIBBLKID
	if (force) {
		if (!quiet)
			warnx(_("Operation forced, data will be lost!"));
	} else {
		 /* Check for existing signatures on the device */
		switch(probe_device(fd, path)) {
		case 0: /* signature detected */
			/*
			 * Only require force in interactive mode to avoid
			 * breaking existing scripts
			 */
			if (isatty(STDIN_FILENO)) {
				errx(EXIT_FAILURE,
				     _("This is destructive operation, data will " \
				       "be lost! Use the -f option to override."));
			}
			break;
		case 1: /* no signature */
			break;
		default: /* error */
			err(EXIT_FAILURE, _("failed to probe the device"));
			break;
		}
	}
#endif /* HAVE_LIBBLKID */

	stats[0] = range[0], stats[1] = 0;
	gettime_monotonic(&last);

	for (/* nothing */; range[0] < end; range[0] += range[1]) {
		if (range[0] + range[1] > end)
			range[1] = end - range[0];

		errno = 0;

		switch (act) {
		case ACT_ZEROOUT:
			if (ioctl(fd, BLKZEROOUT, &range))
				err_on_ioctl("BLKZEROOUT", path);
			break;
		case ACT_SECURE:
			if (ioctl(fd, BLKSECDISCARD, &range))
				err_on_ioctl("BLKSECDISCARD", path);
			break;
		case ACT_DISCARD:
			if (ioctl(fd, BLKDISCARD, &range))
				err_on_ioctl("BLKDISCARD", path);
			break;
		}

		stats[1] += range[1];

		/* reporting progress at most once per second */
		if (verbose && step) {
			gettime_monotonic(&now);
			if (now.tv_sec > last.tv_sec &&
			    (now.tv_usec >= last.tv_usec || now.tv_sec > last.tv_sec + 1)) {
				print_stats(act, path, stats);
				stats[0] += stats[1], stats[1] = 0;
				last = now;
			}
		}
	}

	if (verbose && stats[1])
		print_stats(act, path, stats);

	close(fd);
	return EXIT_SUCCESS;
}
Commit	Line	Data
d964b669 LC	1	/*
	2	* blkdiscard.c -- discard the part (or whole) of the block device.
	3	*
	4	* Copyright (C) 2012 Red Hat, Inc. All rights reserved.
	5	* Written by Lukas Czerner <lczerner@redhat.com>
	6	*
	7	* This program is free software: you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation, either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	19	*
	20	* This program uses BLKDISCARD ioctl to discard part or the whole block
	21	* device if the device supports it. You can specify range (start and
	22	* length) to be discarded, or simply discard the whole device.
	23	*/
	24
	25
	26	#include <string.h>
	27	#include <unistd.h>
	28	#include <stdlib.h>
	29	#include <stdio.h>
	30	#include <stdint.h>
	31	#include <fcntl.h>
	32	#include <limits.h>
	33	#include <getopt.h>
4f55368c	34	#include <time.h>
d964b669 LC	35
	36	#include <sys/ioctl.h>
	37	#include <sys/stat.h>
4f55368c	38	#include <sys/time.h>
d964b669	39	#include <linux/fs.h>
b6464f8d KZ	40
	41	#ifdef HAVE_LIBBLKID
	42	# include <blkid.h>
	43	#endif
d964b669 LC	44
	45	#include "nls.h"
	46	#include "strutils.h"
	47	#include "c.h"
	48	#include "closestream.h"
784467ad	49	#include "monotonic.h"
c3e29c68	50	#include "exitcodes.h"
4cf6f545	51
d964b669	52	#ifndef BLKDISCARD
7154cc89	53	# define BLKDISCARD _IO(0x12,119)
d964b669 LC	54	#endif
	55
	56	#ifndef BLKSECDISCARD
7154cc89	57	# define BLKSECDISCARD _IO(0x12,125)
d964b669 LC	58	#endif
d964b669 LC	59
7154cc89 KZ	60	#ifndef BLKZEROOUT
	61	# define BLKZEROOUT _IO(0x12,127)
	62	#endif
	63
	64	enum {
	65	ACT_DISCARD = 0, /* default */
	66	ACT_ZEROOUT,
	67	ACT_SECURE
	68	};
	69
8edaa1e1 KZ	70	static int quiet;
8edaa1e1 KZ	71
7154cc89 KZ	72	static void print_stats(int act, char *path, uint64_t stats[])
	73	{
	74	switch (act) {
	75	case ACT_ZEROOUT:
	76	printf(_("%s: Zero-filled %" PRIu64 " bytes from the offset %" PRIu64"\n"), \
	77	path, stats[1], stats[0]);
	78	break;
	79	case ACT_SECURE:
	80	case ACT_DISCARD:
	81	printf(_("%s: Discarded %" PRIu64 " bytes from the offset %" PRIu64"\n"), \
	82	path, stats[1], stats[0]);
	83	break;
	84	}
	85	}
c472a7e3	86
6e1eda6f	87	static void __attribute__((__noreturn__)) usage(void)
d964b669	88	{
6e1eda6f	89	FILE *out = stdout;
d964b669 LC	90	fputs(USAGE_HEADER, out);
	91	fprintf(out,
	92	_(" %s [options] <device>\n"), program_invocation_short_name);
451dbcfa BS	93
	94	fputs(USAGE_SEPARATOR, out);
	95	fputs(_("Discard the content of sectors on a device.\n"), out);
	96
d964b669	97	fputs(USAGE_OPTIONS, out);
34fed3ff	98	fputs(_(" -f, --force disable all checking\n"), out);
b31fd516	99	fputs(_(" -l, --length <num> length of bytes to discard from the offset\n"), out);
dde842e2	100	fputs(_(" -o, --offset <num> offset in bytes to discard from\n"), out);
b31fd516	101	fputs(_(" -p, --step <num> size of the discard iterations within the offset\n"), out);
8edaa1e1	102	fputs(_(" -q, --quiet suppress warning messages\n"), out);
b31fd516	103	fputs(_(" -s, --secure perform secure discard\n"), out);
b31fd516	104	fputs(_(" -v, --verbose print aligned length and offset\n"), out);
dde842e2	105	fputs(_(" -z, --zeroout zero-fill rather than discard\n"), out);
b31fd516	106
d964b669	107	fputs(USAGE_SEPARATOR, out);
bad4c729	108	fprintf(out, USAGE_HELP_OPTIONS(21));
b31fd516	109
f1970cc5	110	fputs(USAGE_ARGUMENTS, out);
bad4c729	111	fprintf(out, USAGE_ARG_SIZE(_("<num>")));
f1970cc5	112
bad4c729	113	fprintf(out, USAGE_MAN_TAIL("blkdiscard(8)"));
6e1eda6f	114	exit(EXIT_SUCCESS);
d964b669 LC	115	}
d964b669 LC	116
b6464f8d	117	#ifdef HAVE_LIBBLKID
0f23e4c1 LC	118	/*
	119	* Check existing signature on the open fd
	120	* Returns 0 signature found
	121	* 1 no signature
	122	* <0 error
	123	*/
	124	static int probe_device(int fd, char *path)
	125	{
	126	const char *type;
	127	blkid_probe pr = NULL;
	128	int ret = -1;
	129
	130	pr = blkid_new_probe();
	131	if (!pr \|\| blkid_probe_set_device(pr, fd, 0, 0))
	132	return ret;
	133
	134	blkid_probe_enable_superblocks(pr, TRUE);
	135	blkid_probe_enable_partitions(pr, TRUE);
	136
	137	ret = blkid_do_fullprobe(pr);
	138	if (ret)
	139	goto out;
	140
8edaa1e1 KZ	141	if (!quiet) {
	142	if (!blkid_probe_lookup_value(pr, "TYPE", &type, NULL))
	143	warnx("%s contains existing file system (%s).",path ,type);
	144	else if (!blkid_probe_lookup_value(pr, "PTTYPE", &type, NULL))
	145	warnx("%s contains existing partition (%s).",path ,type);
	146	else
	147	warnx("%s contains existing signature.", path);
0f23e4c1 LC	148	}
	149
	150	out:
	151	blkid_free_probe(pr);
	152	return ret;
	153	}
b6464f8d	154	#endif /* HAVE_LIBBLKID */
7154cc89	155
4cf6f545 KZ	156	static void __attribute__((__noreturn__)) err_on_ioctl(
	157	const char ioctlname, const char path)
	158	{
	159	int exno = errno == EOPNOTSUPP ?
c3e29c68	160	EXIT_NOTSUPP : EXIT_FAILURE;
4cf6f545 KZ	161
	162	err(exno, _("%s: %s ioctl failed"), ioctlname, path);
	163	}
	164
d964b669 LC	165	int main(int argc, char **argv)
	166	{
	167	char *path;
34fed3ff	168	int c, fd, verbose = 0, secsize, force = 0;
c472a7e3	169	uint64_t end, blksize, step, range[2], stats[2];
d964b669	170	struct stat sb;
5d58258d	171	struct timeval now = { 0 }, last = { 0 };
7154cc89	172	int act = ACT_DISCARD;
d964b669 LC	173
d964b669 LC	174	static const struct option longopts[] = {
34fed3ff	175	{ "force", no_argument, NULL, 'f' },
dde842e2	176	{ "help", no_argument, NULL, 'h' },
87918040	177	{ "length", required_argument, NULL, 'l' },
dde842e2	178	{ "offset", required_argument, NULL, 'o' },
8edaa1e1	179	{ "quiet", no_argument, NULL, 'q' },
87918040	180	{ "secure", no_argument, NULL, 's' },
dde842e2	181	{ "step", required_argument, NULL, 'p' },
87918040	182	{ "verbose", no_argument, NULL, 'v' },
dde842e2	183	{ "version", no_argument, NULL, 'V' },
87918040 SK	184	{ "zeroout", no_argument, NULL, 'z' },
87918040 SK	185	{ NULL, 0, NULL, 0 }
d964b669 LC	186	};
	187
	188	setlocale(LC_ALL, "");
	189	bindtextdomain(PACKAGE, LOCALEDIR);
	190	textdomain(PACKAGE);
2c308875	191	close_stdout_atexit();
d964b669 LC	192
	193	range[0] = 0;
	194	range[1] = ULLONG_MAX;
c472a7e3	195	step = 0;
d964b669	196
8edaa1e1	197	while ((c = getopt_long(argc, argv, "hfVsvo:l:p:qz", longopts, NULL)) != -1) {
d964b669	198	switch(c) {
34fed3ff KZ	199	case 'f':
	200	force = 1;
	201	break;
d964b669 LC	202	case 'l':
	203	range[1] = strtosize_or_err(optarg,
	204	_("failed to parse length"));
	205	break;
	206	case 'o':
	207	range[0] = strtosize_or_err(optarg,
	208	_("failed to parse offset"));
	209	break;
c472a7e3 FS	210	case 'p':
	211	step = strtosize_or_err(optarg,
	212	_("failed to parse step"));
	213	break;
8edaa1e1 KZ	214	case 'q':
	215	quiet = 1;
	216	break;
d964b669	217	case 's':
7154cc89	218	act = ACT_SECURE;
d964b669 LC	219	break;
	220	case 'v':
	221	verbose = 1;
	222	break;
7154cc89 KZ	223	case 'z':
	224	act = ACT_ZEROOUT;
	225	break;
2c308875 KZ	226
	227	case 'h':
	228	usage();
	229	case 'V':
	230	print_version(EXIT_SUCCESS);
d964b669	231	default:
677ec86c	232	errtryhelp(EXIT_FAILURE);
d964b669 LC	233	}
	234	}
	235
	236	if (optind == argc)
4ce393f4	237	errx(EXIT_FAILURE, _("no device specified"));
d964b669 LC	238
	239	path = argv[optind++];
	240
	241	if (optind != argc) {
	242	warnx(_("unexpected number of arguments"));
6e1eda6f	243	errtryhelp(EXIT_FAILURE);
d964b669 LC	244	}
d964b669 LC	245
0f23e4c1	246	fd = open(path, O_RDWR \| (force ? 0 : O_EXCL));
d964b669 LC	247	if (fd < 0)
	248	err(EXIT_FAILURE, _("cannot open %s"), path);
	249
77751922	250	if (fstat(fd, &sb) == -1)
fc14ceba	251	err(EXIT_FAILURE, _("stat of %s failed"), path);
77751922 KZ	252	if (!S_ISBLK(sb.st_mode))
	253	errx(EXIT_FAILURE, _("%s: not a block device"), path);
	254
d964b669 LC	255	if (ioctl(fd, BLKGETSIZE64, &blksize))
d964b669 LC	256	err(EXIT_FAILURE, _("%s: BLKGETSIZE64 ioctl failed"), path);
d964b669 LC	257	if (ioctl(fd, BLKSSZGET, &secsize))
	258	err(EXIT_FAILURE, _("%s: BLKSSZGET ioctl failed"), path);
	259
d7ce9acb FS	260	/* check offset alignment to the sector size */
	261	if (range[0] % secsize)
	262	errx(EXIT_FAILURE, _("%s: offset %" PRIu64 " is not aligned "
	263	"to sector size %i"), path, range[0], secsize);
d964b669 LC	264
d964b669 LC	265	/* is the range end behind the end of the device ?*/
303884a4	266	if (range[0] > blksize)
0c75b6a4	267	errx(EXIT_FAILURE, _("%s: offset is greater than device size"), path);
d964b669 LC	268	end = range[0] + range[1];
d964b669 LC	269	if (end < range[0] \|\| end > blksize)
c472a7e3 FS	270	end = blksize;
	271
	272	range[1] = (step > 0) ? step : end - range[0];
d964b669	273
d7ce9acb FS	274	/* check length alignment to the sector size */
	275	if (range[1] % secsize)
	276	errx(EXIT_FAILURE, _("%s: length %" PRIu64 " is not aligned "
	277	"to sector size %i"), path, range[1], secsize);
b6464f8d	278	#ifdef HAVE_LIBBLKID
8edaa1e1 KZ	279	if (force) {
	280	if (!quiet)
	281	warnx(_("Operation forced, data will be lost!"));
	282	} else {
e3044419 KZ	283	/* Check for existing signatures on the device */
	284	switch(probe_device(fd, path)) {
	285	case 0: /* signature detected */
	286	/*
	287	* Only require force in interactive mode to avoid
	288	* breaking existing scripts
	289	*/
	290	if (isatty(STDIN_FILENO)) {
	291	errx(EXIT_FAILURE,
	292	_("This is destructive operation, data will " \
	293	"be lost! Use the -f option to override."));
	294	}
	295	break;
	296	case 1: /* no signature */
	297	break;
	298	default: /* error */
	299	err(EXIT_FAILURE, _("failed to probe the device"));
	300	break;
	301	}
0f23e4c1	302	}
b6464f8d	303	#endif /* HAVE_LIBBLKID */
0f23e4c1	304
c472a7e3	305	stats[0] = range[0], stats[1] = 0;
700031ad	306	gettime_monotonic(&last);
c472a7e3	307
ee24ab6f	308	for (/* nothing */; range[0] < end; range[0] += range[1]) {
c472a7e3 FS	309	if (range[0] + range[1] > end)
	310	range[1] = end - range[0];
	311
4cf6f545 KZ	312	errno = 0;
4cf6f545 KZ	313
7154cc89 KZ	314	switch (act) {
	315	case ACT_ZEROOUT:
	316	if (ioctl(fd, BLKZEROOUT, &range))
4cf6f545	317	err_on_ioctl("BLKZEROOUT", path);
7154cc89 KZ	318	break;
7154cc89 KZ	319	case ACT_SECURE:
c472a7e3	320	if (ioctl(fd, BLKSECDISCARD, &range))
4cf6f545	321	err_on_ioctl("BLKSECDISCARD", path);
7154cc89 KZ	322	break;
7154cc89 KZ	323	case ACT_DISCARD:
c472a7e3	324	if (ioctl(fd, BLKDISCARD, &range))
4cf6f545	325	err_on_ioctl("BLKDISCARD", path);
7154cc89	326	break;
c472a7e3 FS	327	}
c472a7e3 FS	328
a3e91e26 RM	329	stats[1] += range[1];
a3e91e26 RM	330
0e765365	331	/* reporting progress at most once per second */
c472a7e3	332	if (verbose && step) {
700031ad	333	gettime_monotonic(&now);
0e765365 RM	334	if (now.tv_sec > last.tv_sec &&
0e765365 RM	335	(now.tv_usec >= last.tv_usec \|\| now.tv_sec > last.tv_sec + 1)) {
7154cc89	336	print_stats(act, path, stats);
a3e91e26	337	stats[0] += stats[1], stats[1] = 0;
c472a7e3 FS	338	last = now;
	339	}
	340	}
d964b669 LC	341	}
d964b669 LC	342
eeae4488	343	if (verbose && stats[1])
7154cc89	344	print_stats(act, path, stats);
d964b669 LC	345
	346	close(fd);
	347	return EXIT_SUCCESS;
	348	}