projects / thirdparty / xfsprogs-dev.git / blame
| Commit | Line | Data |
|---|---|---|
| 959ef981 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 6719d622 DW |
2 | /* |
| 3 | * Copyright (C) 2018 Oracle. All Rights Reserved. | |
| 6719d622 | 4 | * Author: Darrick J. Wong <darrick.wong@oracle.com> |
| 6719d622 DW |
5 | */ |
| 6 | #include "libxfs.h" | |
| 7 | #include "command.h" | |
| 8 | #include "init.h" | |
| 9 | #include "path.h" | |
| 10 | #include "space.h" | |
| 11 | #include "fsgeom.h" | |
| 12 | ||
| 13 | static void | |
| 14 | info_help(void) | |
| 15 | { | |
| 16 | printf(_( | |
| 17 | "\n" | |
| 18 | " Pretty-prints the filesystem geometry as derived from the superblock.\n" | |
| 19 | " The output has the same format as mkfs.xfs, xfs_info, and other utilities.\n" | |
| 20 | " The opened file must be an XFS mount point.\n" | |
| 21 | "\n" | |
| 22 | )); | |
| 23 | ||
| 24 | } | |
| 25 | ||
| 26 | static int | |
| 27 | info_f( | |
| 28 | int argc, | |
| 29 | char **argv) | |
| 30 | { | |
| 31 | struct xfs_fsop_geom geo; | |
| 32 | int error; | |
| 33 | ||
| 34 | if (fs_table_lookup_mount(file->name) == NULL) { | |
| 35 | fprintf(stderr, _("%s: Not a XFS mount point.\n"), file->name); | |
| 36 | return 1; | |
| 37 | } | |
| 38 | ||
| 39 | /* get the current filesystem size & geometry */ | |
| 9612817d | 40 | error = xfrog_geometry(file->fd, &geo); |
| 6719d622 | 41 | if (error) { |
| 9612817d DW |
42 | fprintf(stderr, |
| 43 | _("%s: cannot determine geometry of filesystem mounted at %s: %s\n"), | |
| 44 | progname, file->name, strerror(error)); | |
| 45 | exitcode = 1; | |
| 46 | return 0; | |
| 6719d622 DW |
47 | } |
| 48 | ||
| 49 | xfs_report_geom(&geo, file->fs_path.fs_name, file->fs_path.fs_log, | |
| 50 | file->fs_path.fs_rt); | |
| 51 | return 0; | |
| 52 | } | |
| 53 | ||
| 54 | static const struct cmdinfo info_cmd = { | |
| 55 | .name = "info", | |
| 56 | .altname = "i", | |
| 57 | .cfunc = info_f, | |
| 58 | .argmin = 0, | |
| 59 | .argmax = 0, | |
| 60 | .canpush = 0, | |
| 61 | .args = NULL, | |
| 62 | .flags = CMD_FLAG_ONESHOT, | |
| 63 | .oneline = N_("pretty-print superblock geometry info"), | |
| 64 | .help = info_help, | |
| 65 | }; | |
| 66 | ||
| 67 | void | |
| 68 | info_init(void) | |
| 69 | { | |
| 70 | add_command(&info_cmd); | |
| 71 | } |