| // 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); |
| } |