| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2003-2005 Silicon Graphics, Inc. |
| * All Rights Reserved. |
| */ |
| |
| #include "command.h" |
| #include "input.h" |
| #include "init.h" |
| #include "io.h" |
| |
| static cmdinfo_t resblks_cmd; |
| static int resblks_f(int argc, char **argv); |
| |
| static int |
| resblks_f( |
| int argc, |
| char **argv) |
| { |
| xfs_fsop_resblks_t res; |
| long long blks; |
| |
| if (argc == 2) { |
| blks = cvtnum(file->geom.blocksize, file->geom.sectsize, argv[1]); |
| if (blks < 0) { |
| printf(_("non-numeric argument -- %s\n"), argv[1]); |
| exitcode = 1; |
| return 0; |
| } |
| res.resblks = blks; |
| if (xfsctl(file->name, file->fd, XFS_IOC_SET_RESBLKS, &res) < 0) { |
| perror("XFS_IOC_SET_RESBLKS"); |
| exitcode = 1; |
| return 0; |
| } |
| } else if (xfsctl(file->name, file->fd, XFS_IOC_GET_RESBLKS, &res) < 0) { |
| perror("XFS_IOC_GET_RESBLKS"); |
| exitcode = 1; |
| return 0; |
| } |
| printf(_("reserved blocks = %llu\n"), |
| (unsigned long long) res.resblks); |
| printf(_("available reserved blocks = %llu\n"), |
| (unsigned long long) res.resblks_avail); |
| return 0; |
| } |
| |
| void |
| resblks_init(void) |
| { |
| resblks_cmd.name = "resblks"; |
| resblks_cmd.cfunc = resblks_f; |
| resblks_cmd.argmin = 0; |
| resblks_cmd.argmax = 1; |
| resblks_cmd.flags = CMD_NOMAP_OK | CMD_FLAG_ONESHOT; |
| resblks_cmd.args = _("[blocks]"); |
| resblks_cmd.oneline = |
| _("get and/or set count of reserved filesystem blocks"); |
| |
| if (expert) |
| add_command(&resblks_cmd); |
| } |