[thirdparty/xfsprogs-dev.git] / io / shutdown.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2004-2005 Silicon Graphics, Inc.
 * All Rights Reserved.
 */

#include "command.h"
#include "input.h"
#include "init.h"
#include "io.h"

static cmdinfo_t shutdown_cmd;

static int
shutdown_f(
	int		argc,
	char		**argv)
{
	int		c, flag = XFS_FSOP_GOING_FLAGS_NOLOGFLUSH;

	while ((c = getopt(argc, argv, "fv")) != -1) {
		switch (c) {
		case 'f':
			flag = XFS_FSOP_GOING_FLAGS_LOGFLUSH;
			break;
		default:
			exitcode = 1;
			return command_usage(&shutdown_cmd);
		}
	}

	if ((xfsctl(file->name, file->fd, XFS_IOC_GOINGDOWN, &flag)) < 0) {
		perror("XFS_IOC_GOINGDOWN");
		exitcode = 1;
		return 0;
	}
	return 0;
}

static void
shutdown_help(void)
{
	printf(_(
"\n"
" Shuts down the filesystem and prevents any further IO from occurring.\n"
"\n"
" By default, shutdown will not flush completed transactions to disk\n"
" before shutting the filesystem down, simulating a disk failure or crash.\n"
" With -f, the log will be flushed to disk, matching XFS behavior when\n"
" metadata corruption is encountered.\n"
"\n"
" -f -- Flush completed transactions to disk before shut down.\n"
"\n"));
}

void
shutdown_init(void)
{
	shutdown_cmd.name = "shutdown";
	shutdown_cmd.cfunc = shutdown_f;
	shutdown_cmd.argmin = 0;
	shutdown_cmd.argmax = 1;
	shutdown_cmd.flags = CMD_NOMAP_OK | CMD_FLAG_ONESHOT | CMD_FLAG_FOREIGN_OK;
	shutdown_cmd.args = _("[-f]");
	shutdown_cmd.help = shutdown_help;
	shutdown_cmd.oneline =
		_("shuts down the filesystem where the current file resides");

	if (expert)
		add_command(&shutdown_cmd);
}
Commit	Line	Data
959ef981	1	// SPDX-License-Identifier: GPL-2.0
48c46ee3	2	/*
da23017d NS	3	* Copyright (c) 2004-2005 Silicon Graphics, Inc.
da23017d NS	4	* All Rights Reserved.
48c46ee3 NS	5	*/
48c46ee3 NS	6
6b803e5a CH	7	#include "command.h"
6b803e5a CH	8	#include "input.h"
48c46ee3 NS	9	#include "init.h"
	10	#include "io.h"
	11
	12	static cmdinfo_t shutdown_cmd;
	13
	14	static int
	15	shutdown_f(
	16	int argc,
	17	char **argv)
	18	{
	19	int c, flag = XFS_FSOP_GOING_FLAGS_NOLOGFLUSH;
	20
	21	while ((c = getopt(argc, argv, "fv")) != -1) {
	22	switch (c) {
	23	case 'f':
	24	flag = XFS_FSOP_GOING_FLAGS_LOGFLUSH;
	25	break;
	26	default:
9e1595e6	27	exitcode = 1;
48c46ee3 NS	28	return command_usage(&shutdown_cmd);
	29	}
	30	}
	31
	32	if ((xfsctl(file->name, file->fd, XFS_IOC_GOINGDOWN, &flag)) < 0) {
	33	perror("XFS_IOC_GOINGDOWN");
9e1595e6	34	exitcode = 1;
48c46ee3 NS	35	return 0;
	36	}
	37	return 0;
	38	}
	39
0d88afd6 CM	40	static void
	41	shutdown_help(void)
	42	{
	43	printf(_(
	44	"\n"
	45	" Shuts down the filesystem and prevents any further IO from occurring.\n"
	46	"\n"
	47	" By default, shutdown will not flush completed transactions to disk\n"
	48	" before shutting the filesystem down, simulating a disk failure or crash.\n"
	49	" With -f, the log will be flushed to disk, matching XFS behavior when\n"
	50	" metadata corruption is encountered.\n"
	51	"\n"
	52	" -f -- Flush completed transactions to disk before shut down.\n"
	53	"\n"));
	54	}
	55
48c46ee3 NS	56	void
	57	shutdown_init(void)
	58	{
ad765595	59	shutdown_cmd.name = "shutdown";
48c46ee3 NS	60	shutdown_cmd.cfunc = shutdown_f;
	61	shutdown_cmd.argmin = 0;
	62	shutdown_cmd.argmax = 1;
75dc6781	63	shutdown_cmd.flags = CMD_NOMAP_OK \| CMD_FLAG_ONESHOT \| CMD_FLAG_FOREIGN_OK;
48c46ee3	64	shutdown_cmd.args = _("[-f]");
0d88afd6	65	shutdown_cmd.help = shutdown_help;
48c46ee3 NS	66	shutdown_cmd.oneline =
	67	_("shuts down the filesystem where the current file resides");
	68
	69	if (expert)
	70	add_command(&shutdown_cmd);
	71	}