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Commit | Line | Data |
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2a4c734b | 1 | /* |
f77fa578 | 2 | * lsblk(8) - list block devices |
2a4c734b | 3 | * |
b93585e8 | 4 | * Copyright (C) 2010-2018 Red Hat, Inc. All rights reserved. |
2a4c734b MB |
5 | * Written by Milan Broz <mbroz@redhat.com> |
6 | * Karel Zak <kzak@redhat.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it would be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
7cebf0bb SK |
18 | * You should have received a copy of the GNU General Public License along |
19 | * with this program; if not, write to the Free Software Foundation, Inc., | |
20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
2a4c734b | 21 | */ |
2a4c734b MB |
22 | #include <stdio.h> |
23 | #include <errno.h> | |
24 | #include <getopt.h> | |
2a4c734b MB |
25 | #include <stdlib.h> |
26 | #include <unistd.h> | |
2a4c734b MB |
27 | #include <sys/types.h> |
28 | #include <sys/stat.h> | |
29 | #include <dirent.h> | |
30 | #include <fcntl.h> | |
31 | #include <string.h> | |
2a4c734b | 32 | #include <sys/ioctl.h> |
2a4c734b MB |
33 | #include <stdarg.h> |
34 | #include <locale.h> | |
35 | #include <pwd.h> | |
36 | #include <grp.h> | |
18eac5ba | 37 | #include <ctype.h> |
ccafadb7 | 38 | #include <assert.h> |
2a4c734b MB |
39 | |
40 | #include <blkid.h> | |
2a4c734b | 41 | |
540d506f | 42 | #include "c.h" |
2a4c734b MB |
43 | #include "pathnames.h" |
44 | #include "blkdev.h" | |
45 | #include "canonicalize.h" | |
2a4c734b | 46 | #include "nls.h" |
2a4c734b MB |
47 | #include "xalloc.h" |
48 | #include "strutils.h" | |
766ab9b0 | 49 | #include "sysfs.h" |
c05a80ca | 50 | #include "closestream.h" |
05187653 | 51 | #include "optutils.h" |
7761bd3b | 52 | #include "fileutils.h" |
14bb8e3c | 53 | #include "loopdev.h" |
2a4c734b | 54 | |
14560b7f | 55 | #include "lsblk.h" |
7e786eca | 56 | |
14560b7f | 57 | UL_DEBUG_DEFINE_MASK(lsblk); |
7e786eca KZ |
58 | UL_DEBUG_DEFINE_MASKNAMES(lsblk) = UL_DEBUG_EMPTY_MASKNAMES; |
59 | ||
1539750f KZ |
60 | #define LSBLK_EXIT_SOMEOK 64 |
61 | #define LSBLK_EXIT_ALLFAILED 32 | |
62 | ||
be685b98 KZ |
63 | static int column_id_to_number(int id); |
64 | ||
2a4c734b MB |
65 | /* column IDs */ |
66 | enum { | |
67 | COL_NAME = 0, | |
68 | COL_KNAME, | |
66638b0b | 69 | COL_PATH, |
2a4c734b | 70 | COL_MAJMIN, |
bc405d64 KZ |
71 | COL_FSAVAIL, |
72 | COL_FSSIZE, | |
2a4c734b | 73 | COL_FSTYPE, |
bc405d64 KZ |
74 | COL_FSUSED, |
75 | COL_FSUSEPERC, | |
9cca1ef2 | 76 | COL_FSVERSION, |
2a4c734b MB |
77 | COL_TARGET, |
78 | COL_LABEL, | |
79 | COL_UUID, | |
1b06b33d MB |
80 | COL_PTUUID, |
81 | COL_PTTYPE, | |
4686ba17 | 82 | COL_PARTTYPE, |
107e9559 | 83 | COL_PARTTYPENAME, |
aa0903e0 KZ |
84 | COL_PARTLABEL, |
85 | COL_PARTUUID, | |
5a2fd932 | 86 | COL_PARTFLAGS, |
150db7a9 | 87 | COL_RA, |
2a4c734b | 88 | COL_RO, |
627970a7 | 89 | COL_RM, |
483987c2 | 90 | COL_HOTPLUG, |
2a4c734b | 91 | COL_MODEL, |
460c7afb | 92 | COL_SERIAL, |
2a4c734b | 93 | COL_SIZE, |
01e487c0 | 94 | COL_STATE, |
2a4c734b MB |
95 | COL_OWNER, |
96 | COL_GROUP, | |
97 | COL_MODE, | |
98 | COL_ALIOFF, | |
99 | COL_MINIO, | |
100 | COL_OPTIO, | |
101 | COL_PHYSEC, | |
102 | COL_LOGSEC, | |
103 | COL_ROTA, | |
104 | COL_SCHED, | |
64c9e22a | 105 | COL_RQ_SIZE, |
18eac5ba | 106 | COL_TYPE, |
2d232246 MP |
107 | COL_DALIGN, |
108 | COL_DGRAN, | |
109 | COL_DMAX, | |
110 | COL_DZERO, | |
2adb1a44 | 111 | COL_WSAME, |
88ca32b3 | 112 | COL_WWN, |
12b06c3d | 113 | COL_RAND, |
310c0603 | 114 | COL_PKNAME, |
699e5c4f | 115 | COL_HCTL, |
a5fb4d23 | 116 | COL_TRANSPORT, |
7f14ee1b | 117 | COL_SUBSYS, |
d6681cee | 118 | COL_REV, |
f2df4365 DLM |
119 | COL_VENDOR, |
120 | COL_ZONED, | |
b239651b | 121 | COL_DAX |
2a4c734b MB |
122 | }; |
123 | ||
9bd4e5c0 OO |
124 | /* basic table settings */ |
125 | enum { | |
126 | LSBLK_ASCII = (1 << 0), | |
127 | LSBLK_RAW = (1 << 1), | |
128 | LSBLK_NOHEADINGS = (1 << 2), | |
bb6e822a KZ |
129 | LSBLK_EXPORT = (1 << 3), |
130 | LSBLK_TREE = (1 << 4), | |
4a102a48 | 131 | LSBLK_JSON = (1 << 5), |
9bd4e5c0 OO |
132 | }; |
133 | ||
407e0ea6 | 134 | /* Types used for qsort() and JSON */ |
642048e4 | 135 | enum { |
407e0ea6 KZ |
136 | COLTYPE_STR = 0, /* default */ |
137 | COLTYPE_NUM = 1, /* always u64 number */ | |
138 | COLTYPE_SORTNUM = 2, /* string on output, u64 for qsort() */ | |
139 | COLTYPE_SIZE = 3, /* srring by default, number when --bytes */ | |
140 | COLTYPE_BOOL = 4 /* 0 or 1 */ | |
642048e4 KZ |
141 | }; |
142 | ||
2a4c734b MB |
143 | /* column names */ |
144 | struct colinfo { | |
145 | const char *name; /* header */ | |
146 | double whint; /* width hint (N < 1 is in percent of termwidth) */ | |
9bd4e5c0 | 147 | int flags; /* SCOLS_FL_* */ |
2a4c734b | 148 | const char *help; |
407e0ea6 | 149 | int type; /* COLTYPE_* */ |
2a4c734b MB |
150 | }; |
151 | ||
152 | /* columns descriptions */ | |
507d39c2 | 153 | static struct colinfo infos[] = { |
b9c088f2 | 154 | [COL_NAME] = { "NAME", 0.25, SCOLS_FL_NOEXTREMES, N_("device name") }, |
e22d8b95 | 155 | [COL_KNAME] = { "KNAME", 0.3, 0, N_("internal kernel device name") }, |
bc405d64 | 156 | [COL_PKNAME] = { "PKNAME", 0.3, 0, N_("internal parent kernel device name") }, |
66638b0b | 157 | [COL_PATH] = { "PATH", 0.3, 0, N_("path to the device node") }, |
407e0ea6 | 158 | [COL_MAJMIN] = { "MAJ:MIN", 6, 0, N_("major:minor device number"), COLTYPE_SORTNUM }, |
bc405d64 KZ |
159 | |
160 | [COL_FSAVAIL] = { "FSAVAIL", 5, SCOLS_FL_RIGHT, N_("filesystem size available") }, | |
161 | [COL_FSSIZE] = { "FSSIZE", 5, SCOLS_FL_RIGHT, N_("filesystem size") }, | |
162 | [COL_FSTYPE] = { "FSTYPE", 0.1, SCOLS_FL_TRUNC, N_("filesystem type") }, | |
163 | [COL_FSUSED] = { "FSUSED", 5, SCOLS_FL_RIGHT, N_("filesystem size used") }, | |
164 | [COL_FSUSEPERC] = { "FSUSE%", 3, SCOLS_FL_RIGHT, N_("filesystem use percentage") }, | |
9cca1ef2 | 165 | [COL_FSVERSION] = { "FSVER", 0.1, SCOLS_FL_TRUNC, N_("filesystem version") }, |
bc405d64 | 166 | |
9bd4e5c0 | 167 | [COL_TARGET] = { "MOUNTPOINT", 0.10, SCOLS_FL_TRUNC, N_("where the device is mounted") }, |
2a4c734b MB |
168 | [COL_LABEL] = { "LABEL", 0.1, 0, N_("filesystem LABEL") }, |
169 | [COL_UUID] = { "UUID", 36, 0, N_("filesystem UUID") }, | |
aa0903e0 | 170 | |
1b06b33d MB |
171 | [COL_PTUUID] = { "PTUUID", 36, 0, N_("partition table identifier (usually UUID)") }, |
172 | [COL_PTTYPE] = { "PTTYPE", 0.1, 0, N_("partition table type") }, | |
173 | ||
107e9559 KZ |
174 | [COL_PARTTYPE] = { "PARTTYPE", 36, 0, N_("partition type code or UUID") }, |
175 | [COL_PARTTYPENAME] = { "PARTTYPENAME", 0.1, 0, N_("partition type name") }, | |
aa0903e0 KZ |
176 | [COL_PARTLABEL] = { "PARTLABEL", 0.1, 0, N_("partition LABEL") }, |
177 | [COL_PARTUUID] = { "PARTUUID", 36, 0, N_("partition UUID") }, | |
5a2fd932 | 178 | [COL_PARTFLAGS] = { "PARTFLAGS", 36, 0, N_("partition flags") }, |
aa0903e0 | 179 | |
407e0ea6 KZ |
180 | [COL_RA] = { "RA", 3, SCOLS_FL_RIGHT, N_("read-ahead of the device"), COLTYPE_NUM }, |
181 | [COL_RO] = { "RO", 1, SCOLS_FL_RIGHT, N_("read-only device"), COLTYPE_BOOL }, | |
182 | [COL_RM] = { "RM", 1, SCOLS_FL_RIGHT, N_("removable device"), COLTYPE_BOOL }, | |
183 | [COL_HOTPLUG]= { "HOTPLUG", 1, SCOLS_FL_RIGHT, N_("removable or hotplug device (usb, pcmcia, ...)"), COLTYPE_BOOL }, | |
184 | [COL_ROTA] = { "ROTA", 1, SCOLS_FL_RIGHT, N_("rotational device"), COLTYPE_BOOL }, | |
185 | [COL_RAND] = { "RAND", 1, SCOLS_FL_RIGHT, N_("adds randomness"), COLTYPE_BOOL }, | |
9bd4e5c0 OO |
186 | [COL_MODEL] = { "MODEL", 0.1, SCOLS_FL_TRUNC, N_("device identifier") }, |
187 | [COL_SERIAL] = { "SERIAL", 0.1, SCOLS_FL_TRUNC, N_("disk serial number") }, | |
407e0ea6 | 188 | [COL_SIZE] = { "SIZE", 5, SCOLS_FL_RIGHT, N_("size of the device"), COLTYPE_SIZE }, |
9bd4e5c0 OO |
189 | [COL_STATE] = { "STATE", 7, SCOLS_FL_TRUNC, N_("state of the device") }, |
190 | [COL_OWNER] = { "OWNER", 0.1, SCOLS_FL_TRUNC, N_("user name"), }, | |
191 | [COL_GROUP] = { "GROUP", 0.1, SCOLS_FL_TRUNC, N_("group name") }, | |
2a4c734b | 192 | [COL_MODE] = { "MODE", 10, 0, N_("device node permissions") }, |
407e0ea6 KZ |
193 | [COL_ALIOFF] = { "ALIGNMENT", 6, SCOLS_FL_RIGHT, N_("alignment offset"), COLTYPE_NUM }, |
194 | [COL_MINIO] = { "MIN-IO", 6, SCOLS_FL_RIGHT, N_("minimum I/O size"), COLTYPE_NUM }, | |
195 | [COL_OPTIO] = { "OPT-IO", 6, SCOLS_FL_RIGHT, N_("optimal I/O size"), COLTYPE_NUM }, | |
196 | [COL_PHYSEC] = { "PHY-SEC", 7, SCOLS_FL_RIGHT, N_("physical sector size"), COLTYPE_NUM }, | |
197 | [COL_LOGSEC] = { "LOG-SEC", 7, SCOLS_FL_RIGHT, N_("logical sector size"), COLTYPE_NUM }, | |
18eac5ba | 198 | [COL_SCHED] = { "SCHED", 0.1, 0, N_("I/O scheduler name") }, |
407e0ea6 | 199 | [COL_RQ_SIZE]= { "RQ-SIZE", 5, SCOLS_FL_RIGHT, N_("request queue size"), COLTYPE_NUM }, |
2d232246 | 200 | [COL_TYPE] = { "TYPE", 4, 0, N_("device type") }, |
407e0ea6 KZ |
201 | [COL_DALIGN] = { "DISC-ALN", 6, SCOLS_FL_RIGHT, N_("discard alignment offset"), COLTYPE_NUM }, |
202 | [COL_DGRAN] = { "DISC-GRAN", 6, SCOLS_FL_RIGHT, N_("discard granularity"), COLTYPE_SIZE }, | |
203 | [COL_DMAX] = { "DISC-MAX", 6, SCOLS_FL_RIGHT, N_("discard max bytes"), COLTYPE_SIZE }, | |
204 | [COL_DZERO] = { "DISC-ZERO", 1, SCOLS_FL_RIGHT, N_("discard zeroes data"), COLTYPE_BOOL }, | |
205 | [COL_WSAME] = { "WSAME", 6, SCOLS_FL_RIGHT, N_("write same max bytes"), COLTYPE_SIZE }, | |
88ca32b3 | 206 | [COL_WWN] = { "WWN", 18, 0, N_("unique storage identifier") }, |
699e5c4f | 207 | [COL_HCTL] = { "HCTL", 10, 0, N_("Host:Channel:Target:Lun for SCSI") }, |
a5fb4d23 | 208 | [COL_TRANSPORT] = { "TRAN", 6, 0, N_("device transport type") }, |
7f14ee1b | 209 | [COL_SUBSYS] = { "SUBSYSTEMS", 0.1, SCOLS_FL_NOEXTREMES, N_("de-duplicated chain of subsystems") }, |
9bd4e5c0 OO |
210 | [COL_REV] = { "REV", 4, SCOLS_FL_RIGHT, N_("device revision") }, |
211 | [COL_VENDOR] = { "VENDOR", 0.1, SCOLS_FL_TRUNC, N_("device vendor") }, | |
f2df4365 | 212 | [COL_ZONED] = { "ZONED", 0.3, 0, N_("zone model") }, |
b239651b | 213 | [COL_DAX] = { "DAX", 1, SCOLS_FL_RIGHT, N_("dax-capable device"), COLTYPE_BOOL }, |
2a4c734b MB |
214 | }; |
215 | ||
14560b7f | 216 | struct lsblk *lsblk; /* global handler */ |
507d39c2 | 217 | |
b93585e8 KZ |
218 | /* |
219 | * columns[] array specifies all currently wanted output column. The columns | |
b6327c6f KZ |
220 | * are defined by infos[] array and you can specify (on command line) each |
221 | * column twice. That's enough, dynamically allocated array of the columns is | |
b93585e8 KZ |
222 | * unnecessary overkill and over-engineering in this case |
223 | */ | |
b6327c6f | 224 | static int columns[ARRAY_SIZE(infos) * 2]; |
40b17508 | 225 | static size_t ncolumns; |
b6327c6f | 226 | |
be685b98 | 227 | static inline void add_column(int id) |
b6327c6f | 228 | { |
be685b98 | 229 | if (ncolumns >= ARRAY_SIZE(columns)) |
b6327c6f | 230 | errx(EXIT_FAILURE, _("too many columns specified, " |
1d231190 | 231 | "the limit is %zu columns"), |
be685b98 KZ |
232 | ARRAY_SIZE(columns) - 1); |
233 | columns[ ncolumns++ ] = id; | |
b6327c6f KZ |
234 | } |
235 | ||
be685b98 KZ |
236 | static inline void add_uniq_column(int id) |
237 | { | |
238 | if (column_id_to_number(id) < 0) | |
239 | add_column(id); | |
240 | } | |
2a4c734b | 241 | |
b93585e8 KZ |
242 | static void lsblk_init_debug(void) |
243 | { | |
244 | __UL_INIT_DEBUG_FROM_ENV(lsblk, LSBLK_DEBUG_, 0, LSBLK_DEBUG); | |
245 | } | |
246 | ||
247 | /* | |
248 | * exclude/include devices filter based on major device numbers | |
249 | */ | |
f6da50d4 BV |
250 | static int excludes[256]; |
251 | static size_t nexcludes; | |
2a4c734b | 252 | |
2ef4e8ba KZ |
253 | static int includes[256]; |
254 | static size_t nincludes; | |
255 | ||
2a4c734b MB |
256 | static int is_maj_excluded(int maj) |
257 | { | |
6aace32f | 258 | size_t i; |
2a4c734b MB |
259 | |
260 | assert(ARRAY_SIZE(excludes) > nexcludes); | |
261 | ||
2ef4e8ba | 262 | if (!nexcludes) |
9e930041 | 263 | return 0; /* filter not enabled, device not excluded */ |
2ef4e8ba | 264 | |
7e786eca KZ |
265 | for (i = 0; i < nexcludes; i++) { |
266 | if (excludes[i] == maj) { | |
267 | DBG(FILTER, ul_debug("exclude: maj=%d", maj)); | |
2a4c734b | 268 | return 1; |
7e786eca KZ |
269 | } |
270 | } | |
2a4c734b MB |
271 | return 0; |
272 | } | |
273 | ||
2ef4e8ba KZ |
274 | static int is_maj_included(int maj) |
275 | { | |
276 | size_t i; | |
277 | ||
278 | assert(ARRAY_SIZE(includes) > nincludes); | |
279 | ||
280 | if (!nincludes) | |
281 | return 1; /* filter not enabled, device is included */ | |
282 | ||
7e786eca KZ |
283 | for (i = 0; i < nincludes; i++) { |
284 | if (includes[i] == maj) { | |
285 | DBG(FILTER, ul_debug("include: maj=%d", maj)); | |
2ef4e8ba | 286 | return 1; |
7e786eca KZ |
287 | } |
288 | } | |
2ef4e8ba KZ |
289 | return 0; |
290 | } | |
291 | ||
b93585e8 | 292 | /* Converts column sequential number to column ID (COL_*) */ |
2a4c734b MB |
293 | static int get_column_id(int num) |
294 | { | |
40b17508 KZ |
295 | assert(num >= 0); |
296 | assert((size_t) num < ncolumns); | |
b6327c6f | 297 | assert(columns[num] < (int) ARRAY_SIZE(infos)); |
2a4c734b MB |
298 | return columns[num]; |
299 | } | |
300 | ||
b93585e8 | 301 | /* Returns column description for the column sequential number */ |
2a4c734b MB |
302 | static struct colinfo *get_column_info(int num) |
303 | { | |
304 | return &infos[ get_column_id(num) ]; | |
305 | } | |
306 | ||
b93585e8 | 307 | /* Converts column name (as defined in the infos[] to the column ID */ |
2a4c734b MB |
308 | static int column_name_to_id(const char *name, size_t namesz) |
309 | { | |
507d39c2 | 310 | size_t i; |
2a4c734b | 311 | |
03df0d11 | 312 | for (i = 0; i < ARRAY_SIZE(infos); i++) { |
2a4c734b MB |
313 | const char *cn = infos[i].name; |
314 | ||
315 | if (!strncasecmp(name, cn, namesz) && !*(cn + namesz)) | |
316 | return i; | |
317 | } | |
318 | warnx(_("unknown column: %s"), name); | |
319 | return -1; | |
320 | } | |
321 | ||
b93585e8 | 322 | /* Converts column ID (COL_*) to column sequential number */ |
642048e4 KZ |
323 | static int column_id_to_number(int id) |
324 | { | |
325 | size_t i; | |
326 | ||
40b17508 | 327 | for (i = 0; i < ncolumns; i++) |
642048e4 KZ |
328 | if (columns[i] == id) |
329 | return i; | |
330 | return -1; | |
331 | } | |
332 | ||
b93585e8 | 333 | /* Checks for DM prefix in the device name */ |
2a4c734b MB |
334 | static int is_dm(const char *name) |
335 | { | |
336 | return strncmp(name, "dm-", 3) ? 0 : 1; | |
337 | } | |
338 | ||
b158bd29 | 339 | /* Returns full pat to the device node (TODO: what about sysfs_blkdev_get_path()) */ |
fed34a1e | 340 | static char *get_device_path(struct lsblk_device *dev) |
2a4c734b MB |
341 | { |
342 | char path[PATH_MAX]; | |
343 | ||
fed34a1e KZ |
344 | assert(dev); |
345 | assert(dev->name); | |
2a4c734b | 346 | |
fed34a1e KZ |
347 | if (is_dm(dev->name)) |
348 | return __canonicalize_dm_name(lsblk->sysroot, dev->name); | |
2a4c734b | 349 | |
fed34a1e | 350 | snprintf(path, sizeof(path), "/dev/%s", dev->name); |
92441d5c | 351 | sysfs_devname_sys_to_dev(path); |
2a4c734b MB |
352 | return xstrdup(path); |
353 | } | |
354 | ||
fed34a1e | 355 | static int is_readonly_device(struct lsblk_device *dev) |
2a4c734b MB |
356 | { |
357 | int fd, ro = 0; | |
358 | ||
fed34a1e | 359 | if (ul_path_scanf(dev->sysfs, "ro", "%d", &ro) == 1) |
2a4c734b MB |
360 | return ro; |
361 | ||
362 | /* fallback if "ro" attribute does not exist */ | |
fed34a1e | 363 | fd = open(dev->filename, O_RDONLY); |
2a4c734b | 364 | if (fd != -1) { |
9c53a49c KZ |
365 | if (ioctl(fd, BLKROGET, &ro) != 0) |
366 | ro = 0; | |
2a4c734b MB |
367 | close(fd); |
368 | } | |
369 | return ro; | |
370 | } | |
371 | ||
fed34a1e | 372 | static char *get_scheduler(struct lsblk_device *dev) |
2a4c734b | 373 | { |
f153614c | 374 | char buf[128]; |
2a4c734b MB |
375 | char *p, *res = NULL; |
376 | ||
fed34a1e | 377 | if (ul_path_read_buffer(dev->sysfs, buf, sizeof(buf), "queue/scheduler") == 0) |
2a4c734b | 378 | return NULL; |
f153614c | 379 | p = strchr(buf, '['); |
2a4c734b MB |
380 | if (p) { |
381 | res = p + 1; | |
382 | p = strchr(res, ']'); | |
383 | if (p) { | |
384 | *p = '\0'; | |
385 | res = xstrdup(res); | |
386 | } else | |
387 | res = NULL; | |
388 | } | |
2a4c734b MB |
389 | return res; |
390 | } | |
391 | ||
fed34a1e | 392 | static char *get_type(struct lsblk_device *dev) |
18eac5ba MB |
393 | { |
394 | char *res = NULL, *p; | |
395 | ||
0bd05f5e | 396 | if (device_is_partition(dev)) |
ef2ce68b KZ |
397 | return xstrdup("part"); |
398 | ||
fed34a1e | 399 | if (is_dm(dev->name)) { |
f153614c | 400 | char *dm_uuid = NULL; |
18eac5ba MB |
401 | |
402 | /* The DM_UUID prefix should be set to subsystem owning | |
403 | * the device - LVM, CRYPT, DMRAID, MPATH, PART */ | |
fed34a1e | 404 | if (ul_path_read_string(dev->sysfs, &dm_uuid, "dm/uuid") > 0 |
f153614c | 405 | && dm_uuid) { |
18eac5ba MB |
406 | char *tmp = dm_uuid; |
407 | char *dm_uuid_prefix = strsep(&tmp, "-"); | |
408 | ||
409 | if (dm_uuid_prefix) { | |
410 | /* kpartx hack to remove partition number */ | |
411 | if (strncasecmp(dm_uuid_prefix, "part", 4) == 0) | |
412 | dm_uuid_prefix[4] = '\0'; | |
413 | ||
414 | res = xstrdup(dm_uuid_prefix); | |
415 | } | |
416 | } | |
417 | ||
418 | free(dm_uuid); | |
419 | if (!res) | |
420 | /* No UUID or no prefix - just mark it as DM device */ | |
421 | res = xstrdup("dm"); | |
422 | ||
fed34a1e | 423 | } else if (!strncmp(dev->name, "loop", 4)) { |
18eac5ba MB |
424 | res = xstrdup("loop"); |
425 | ||
fed34a1e | 426 | } else if (!strncmp(dev->name, "md", 2)) { |
f153614c KZ |
427 | char *md_level = NULL; |
428 | ||
fed34a1e | 429 | ul_path_read_string(dev->sysfs, &md_level, "md/level"); |
18eac5ba MB |
430 | res = md_level ? md_level : xstrdup("md"); |
431 | ||
432 | } else { | |
8d687180 | 433 | const char *type = NULL; |
90e9fcda | 434 | int x = 0; |
9d738ff8 | 435 | |
fed34a1e | 436 | if (ul_path_read_s32(dev->sysfs, &x, "device/type") == 0) |
8d687180 | 437 | type = blkdev_scsi_type_to_name(x); |
9d738ff8 | 438 | if (!type) |
ef2ce68b | 439 | type = "disk"; |
9d738ff8 | 440 | res = xstrdup(type); |
18eac5ba MB |
441 | } |
442 | ||
443 | for (p = res; p && *p; p++) | |
444 | *p = tolower((unsigned char) *p); | |
445 | return res; | |
446 | } | |
447 | ||
a5fb4d23 | 448 | /* Thanks to lsscsi code for idea of detection logic used here */ |
fed34a1e | 449 | static char *get_transport(struct lsblk_device *dev) |
a5fb4d23 | 450 | { |
fed34a1e | 451 | struct path_cxt *sysfs = dev->sysfs; |
2f2f7e80 KZ |
452 | char *attr = NULL; |
453 | const char *trans = NULL; | |
a5fb4d23 | 454 | |
f153614c | 455 | |
28ffc2b7 | 456 | /* SCSI - Serial Peripheral Interface */ |
f153614c | 457 | if (sysfs_blkdev_scsi_host_is(sysfs, "spi")) |
2f2f7e80 | 458 | trans = "spi"; |
a5fb4d23 MB |
459 | |
460 | /* FC/FCoE - Fibre Channel / Fibre Channel over Ethernet */ | |
f153614c KZ |
461 | else if (sysfs_blkdev_scsi_host_is(sysfs, "fc")) { |
462 | attr = sysfs_blkdev_scsi_host_strdup_attribute(sysfs, "fc", "symbolic_name"); | |
23a11c74 | 463 | if (!attr) |
a5fb4d23 | 464 | return NULL; |
2f2f7e80 KZ |
465 | trans = strstr(attr, " over ") ? "fcoe" : "fc"; |
466 | free(attr); | |
a5fb4d23 MB |
467 | } |
468 | ||
469 | /* SAS - Serial Attached SCSI */ | |
f153614c KZ |
470 | else if (sysfs_blkdev_scsi_host_is(sysfs, "sas") || |
471 | sysfs_blkdev_scsi_has_attribute(sysfs, "sas_device")) | |
2f2f7e80 | 472 | trans = "sas"; |
a5fb4d23 | 473 | |
a5fb4d23 MB |
474 | |
475 | /* SBP - Serial Bus Protocol (FireWire) */ | |
f153614c | 476 | else if (sysfs_blkdev_scsi_has_attribute(sysfs, "ieee1394_id")) |
2f2f7e80 | 477 | trans = "sbp"; |
a5fb4d23 MB |
478 | |
479 | /* iSCSI */ | |
f153614c | 480 | else if (sysfs_blkdev_scsi_host_is(sysfs, "iscsi")) |
2f2f7e80 | 481 | trans ="iscsi"; |
a5fb4d23 MB |
482 | |
483 | /* USB - Universal Serial Bus */ | |
f153614c | 484 | else if (sysfs_blkdev_scsi_path_contains(sysfs, "usb")) |
2f2f7e80 | 485 | trans = "usb"; |
a5fb4d23 MB |
486 | |
487 | /* ATA, SATA */ | |
f153614c KZ |
488 | else if (sysfs_blkdev_scsi_host_is(sysfs, "scsi")) { |
489 | attr = sysfs_blkdev_scsi_host_strdup_attribute(sysfs, "scsi", "proc_name"); | |
23a11c74 | 490 | if (!attr) |
a5fb4d23 | 491 | return NULL; |
2f2f7e80 KZ |
492 | if (!strncmp(attr, "ahci", 4) || !strncmp(attr, "sata", 4)) |
493 | trans = "sata"; | |
494 | else if (strstr(attr, "ata")) | |
495 | trans = "ata"; | |
496 | free(attr); | |
3d305170 | 497 | |
fed34a1e | 498 | } else if (strncmp(dev->name, "nvme", 4) == 0) |
3d305170 | 499 | trans = "nvme"; |
a5fb4d23 | 500 | |
2f2f7e80 | 501 | return trans ? xstrdup(trans) : NULL; |
a5fb4d23 MB |
502 | } |
503 | ||
fed34a1e | 504 | static char *get_subsystems(struct lsblk_device *dev) |
7f14ee1b KZ |
505 | { |
506 | char path[PATH_MAX]; | |
507 | char *sub, *chain, *res = NULL; | |
508 | size_t len = 0, last = 0; | |
509 | ||
fed34a1e | 510 | chain = sysfs_blkdev_get_devchain(dev->sysfs, path, sizeof(path)); |
7f14ee1b KZ |
511 | if (!chain) |
512 | return NULL; | |
513 | ||
fed34a1e | 514 | while (sysfs_blkdev_next_subsystem(dev->sysfs, chain, &sub) == 0) { |
7f14ee1b KZ |
515 | size_t sz; |
516 | ||
517 | /* don't create "block:scsi:scsi", but "block:scsi" */ | |
56e78cb5 AH |
518 | if (len && strcmp(res + last, sub) == 0) { |
519 | free(sub); | |
7f14ee1b | 520 | continue; |
56e78cb5 | 521 | } |
7f14ee1b KZ |
522 | |
523 | sz = strlen(sub); | |
524 | res = xrealloc(res, len + sz + 2); | |
525 | if (len) | |
526 | res[len++] = ':'; | |
527 | ||
528 | memcpy(res + len, sub, sz + 1); | |
529 | last = len; | |
530 | len += sz; | |
531 | free(sub); | |
532 | } | |
533 | ||
534 | return res; | |
535 | } | |
536 | ||
537 | ||
9bd4e5c0 | 538 | #define is_parsable(_l) (scols_table_is_raw((_l)->table) || \ |
4a102a48 KZ |
539 | scols_table_is_export((_l)->table) || \ |
540 | scols_table_is_json((_l)->table)) | |
7c9c872c | 541 | |
c7e76cd1 KZ |
542 | static char *mk_name(const char *name) |
543 | { | |
544 | char *p; | |
545 | if (!name) | |
546 | return NULL; | |
547 | if (lsblk->paths) | |
548 | xasprintf(&p, "/dev/%s", name); | |
549 | else | |
550 | p = xstrdup(name); | |
92441d5c KZ |
551 | if (p) |
552 | sysfs_devname_sys_to_dev(p); | |
c7e76cd1 KZ |
553 | return p; |
554 | } | |
555 | ||
556 | static char *mk_dm_name(const char *name) | |
557 | { | |
558 | char *p; | |
559 | if (!name) | |
560 | return NULL; | |
561 | if (lsblk->paths) | |
562 | xasprintf(&p, "/dev/mapper/%s", name); | |
563 | else | |
564 | p = xstrdup(name); | |
565 | return p; | |
566 | } | |
567 | ||
642048e4 KZ |
568 | /* stores data to scols cell userdata (invisible and independent on output) |
569 | * to make the original values accessible for sort functions | |
570 | */ | |
571 | static void set_sortdata_u64(struct libscols_line *ln, int col, uint64_t x) | |
572 | { | |
573 | struct libscols_cell *ce = scols_line_get_cell(ln, col); | |
574 | uint64_t *data; | |
575 | ||
576 | if (!ce) | |
577 | return; | |
578 | data = xmalloc(sizeof(uint64_t)); | |
579 | *data = x; | |
580 | scols_cell_set_userdata(ce, data); | |
581 | } | |
582 | ||
d81e32bd KZ |
583 | /* do not modify *data on any error */ |
584 | static void str2u64(const char *str, uint64_t *data) | |
642048e4 | 585 | { |
d81e32bd KZ |
586 | uintmax_t num; |
587 | char *end = NULL; | |
642048e4 | 588 | |
d81e32bd KZ |
589 | errno = 0; |
590 | if (str == NULL || *str == '\0') | |
642048e4 | 591 | return; |
d81e32bd | 592 | num = strtoumax(str, &end, 10); |
642048e4 | 593 | |
d81e32bd KZ |
594 | if (errno || str == end || (end && *end)) |
595 | return; | |
596 | *data = num; | |
642048e4 KZ |
597 | } |
598 | ||
599 | static void unref_sortdata(struct libscols_table *tb) | |
600 | { | |
601 | struct libscols_iter *itr; | |
602 | struct libscols_line *ln; | |
603 | ||
604 | if (!tb || !lsblk->sort_col) | |
605 | return; | |
606 | itr = scols_new_iter(SCOLS_ITER_FORWARD); | |
607 | if (!itr) | |
608 | return; | |
609 | while (scols_table_next_line(tb, itr, &ln) == 0) { | |
610 | struct libscols_cell *ce = scols_line_get_column_cell(ln, | |
611 | lsblk->sort_col); | |
612 | void *data = scols_cell_get_userdata(ce); | |
613 | free(data); | |
614 | } | |
615 | ||
616 | scols_free_iter(itr); | |
617 | } | |
618 | ||
fed34a1e | 619 | static char *get_vfs_attribute(struct lsblk_device *dev, int id) |
bc405d64 KZ |
620 | { |
621 | char *sizestr; | |
622 | uint64_t vfs_attr = 0; | |
623 | char *mnt; | |
624 | ||
fed34a1e KZ |
625 | if (!dev->fsstat.f_blocks) { |
626 | mnt = lsblk_device_get_mountpoint(dev); | |
627 | if (!mnt || dev->is_swap) | |
bc405d64 | 628 | return NULL; |
fed34a1e | 629 | if (statvfs(mnt, &dev->fsstat) != 0) |
bc405d64 KZ |
630 | return NULL; |
631 | } | |
632 | ||
633 | switch(id) { | |
634 | case COL_FSSIZE: | |
fed34a1e | 635 | vfs_attr = dev->fsstat.f_frsize * dev->fsstat.f_blocks; |
bc405d64 KZ |
636 | break; |
637 | case COL_FSAVAIL: | |
fed34a1e | 638 | vfs_attr = dev->fsstat.f_frsize * dev->fsstat.f_bavail; |
bc405d64 KZ |
639 | break; |
640 | case COL_FSUSED: | |
fed34a1e | 641 | vfs_attr = dev->fsstat.f_frsize * (dev->fsstat.f_blocks - dev->fsstat.f_bfree); |
bc405d64 KZ |
642 | break; |
643 | case COL_FSUSEPERC: | |
fed34a1e | 644 | if (dev->fsstat.f_blocks == 0) |
bc405d64 KZ |
645 | return xstrdup("-"); |
646 | ||
647 | xasprintf(&sizestr, "%.0f%%", | |
fed34a1e KZ |
648 | (double)(dev->fsstat.f_blocks - dev->fsstat.f_bfree) / |
649 | dev->fsstat.f_blocks * 100); | |
bc405d64 KZ |
650 | return sizestr; |
651 | } | |
652 | ||
653 | if (!vfs_attr) | |
654 | sizestr = xstrdup("0"); | |
655 | else if (lsblk->bytes) | |
656 | xasprintf(&sizestr, "%ju", vfs_attr); | |
657 | else | |
658 | sizestr = size_to_human_string(SIZE_SUFFIX_1LETTER, vfs_attr); | |
659 | ||
660 | return sizestr; | |
661 | } | |
662 | ||
fed34a1e | 663 | static struct stat *device_get_stat(struct lsblk_device *dev) |
652cb1cd | 664 | { |
404eef65 KZ |
665 | if (!dev->st.st_rdev |
666 | && stat(dev->filename, &dev->st) != 0) | |
667 | return NULL; | |
652cb1cd | 668 | |
fed34a1e | 669 | return &dev->st; |
652cb1cd | 670 | } |
bc405d64 | 671 | |
81a8936c KZ |
672 | static int is_removable_device(struct lsblk_device *dev, struct lsblk_device *parent) |
673 | { | |
674 | struct path_cxt *pc; | |
675 | ||
676 | if (dev->removable != -1) | |
677 | goto done; | |
678 | if (ul_path_scanf(dev->sysfs, "removable", "%d", &dev->removable) == 1) | |
679 | goto done; | |
680 | ||
681 | if (parent) { | |
682 | pc = sysfs_blkdev_get_parent(dev->sysfs); | |
683 | if (!pc) | |
684 | goto done; | |
685 | ||
74152bf9 | 686 | /* dev is partition and parent is whole-disk */ |
81a8936c | 687 | if (pc == parent->sysfs) |
81a8936c | 688 | dev->removable = is_removable_device(parent, NULL); |
74152bf9 KZ |
689 | |
690 | /* parent is something else, use sysfs parent */ | |
691 | else if (ul_path_scanf(pc, "removable", "%d", &dev->removable) != 1) | |
692 | dev->removable = 0; | |
81a8936c | 693 | } |
81a8936c KZ |
694 | done: |
695 | if (dev->removable == -1) | |
696 | dev->removable = 0; | |
697 | return dev->removable; | |
698 | } | |
699 | ||
8a2f175c KZ |
700 | static uint64_t device_get_discard_granularity(struct lsblk_device *dev) |
701 | { | |
702 | if (dev->discard_granularity == (uint64_t) -1 | |
703 | && ul_path_read_u64(dev->sysfs, &dev->discard_granularity, | |
704 | "queue/discard_granularity") != 0) | |
705 | dev->discard_granularity = 0; | |
706 | ||
707 | return dev->discard_granularity; | |
708 | } | |
709 | ||
b93585e8 | 710 | /* |
d81e32bd KZ |
711 | * Generates data (string) for column specified by column ID for specified device. If sortdata |
712 | * is not NULL then returns number usable to sort the column if the data are available for the | |
713 | * column. | |
b93585e8 | 714 | */ |
d81e32bd KZ |
715 | static char *device_get_data( |
716 | struct lsblk_device *dev, /* device */ | |
717 | struct lsblk_device *parent, /* device parent as defined in the tree */ | |
718 | int id, /* column ID (COL_*) */ | |
719 | uint64_t *sortdata) /* returns sort data as number */ | |
2a4c734b | 720 | { |
6f74ede5 | 721 | struct lsblk_devprop *prop = NULL; |
bb6e822a | 722 | char *str = NULL; |
2a4c734b | 723 | |
2a4c734b MB |
724 | switch(id) { |
725 | case COL_NAME: | |
fed34a1e | 726 | str = dev->dm_name ? mk_dm_name(dev->dm_name) : mk_name(dev->name); |
c7e76cd1 | 727 | break; |
2a4c734b | 728 | case COL_KNAME: |
fed34a1e | 729 | str = mk_name(dev->name); |
2a4c734b | 730 | break; |
310c0603 | 731 | case COL_PKNAME: |
ae4c2c37 KZ |
732 | if (parent) |
733 | str = mk_name(parent->name); | |
310c0603 | 734 | break; |
66638b0b | 735 | case COL_PATH: |
fed34a1e KZ |
736 | if (dev->filename) |
737 | str = xstrdup(dev->filename); | |
66638b0b | 738 | break; |
2a4c734b | 739 | case COL_OWNER: |
6f74ede5 KZ |
740 | if (lsblk->sysroot) |
741 | prop = lsblk_device_get_properties(dev); | |
742 | if (prop && prop->owner) { | |
743 | str = xstrdup(prop->owner); | |
744 | } else { | |
745 | struct stat *st = device_get_stat(dev); | |
746 | struct passwd *pw = st ? getpwuid(st->st_uid) : NULL; | |
747 | if (pw) | |
748 | str = xstrdup(pw->pw_name); | |
749 | } | |
2a4c734b | 750 | break; |
2a4c734b | 751 | case COL_GROUP: |
6f74ede5 KZ |
752 | if (lsblk->sysroot) |
753 | prop = lsblk_device_get_properties(dev); | |
754 | if (prop && prop->group) { | |
755 | str = xstrdup(prop->group); | |
756 | } else { | |
757 | struct stat *st = device_get_stat(dev); | |
758 | struct group *gr = st ? getgrgid(st->st_gid) : NULL; | |
759 | if (gr) | |
760 | str = xstrdup(gr->gr_name); | |
761 | } | |
2a4c734b | 762 | break; |
2a4c734b | 763 | case COL_MODE: |
6f74ede5 KZ |
764 | if (lsblk->sysroot) |
765 | prop = lsblk_device_get_properties(dev); | |
766 | if (prop && prop->mode) { | |
767 | str = xstrdup(prop->mode); | |
768 | } else { | |
769 | struct stat *st = device_get_stat(dev); | |
770 | char md[11] = { '\0' }; | |
771 | ||
772 | if (st) | |
773 | str = xstrdup(xstrmode(st->st_mode, md)); | |
774 | } | |
2a4c734b | 775 | break; |
2a4c734b | 776 | case COL_MAJMIN: |
7c9c872c | 777 | if (is_parsable(lsblk)) |
fed34a1e | 778 | xasprintf(&str, "%u:%u", dev->maj, dev->min); |
2a4c734b | 779 | else |
fed34a1e | 780 | xasprintf(&str, "%3u:%-3u", dev->maj, dev->min); |
d81e32bd KZ |
781 | if (sortdata) |
782 | *sortdata = makedev(dev->maj, dev->min); | |
2a4c734b MB |
783 | break; |
784 | case COL_FSTYPE: | |
fed34a1e | 785 | prop = lsblk_device_get_properties(dev); |
baad6dcc KZ |
786 | if (prop && prop->fstype) |
787 | str = xstrdup(prop->fstype); | |
2a4c734b | 788 | break; |
bc405d64 KZ |
789 | case COL_FSSIZE: |
790 | case COL_FSAVAIL: | |
791 | case COL_FSUSED: | |
792 | case COL_FSUSEPERC: | |
fed34a1e | 793 | str = get_vfs_attribute(dev, id); |
bc405d64 | 794 | break; |
9cca1ef2 KZ |
795 | case COL_FSVERSION: |
796 | prop = lsblk_device_get_properties(dev); | |
797 | if (prop && prop->fsversion) | |
798 | str = xstrdup(prop->fsversion); | |
799 | break; | |
2a4c734b | 800 | case COL_TARGET: |
f3aded3f SK |
801 | { |
802 | char *s = lsblk_device_get_mountpoint(dev); | |
803 | if (s) | |
804 | str = xstrdup(s); | |
805 | else | |
806 | str = NULL; | |
2a4c734b | 807 | break; |
f3aded3f | 808 | } |
2a4c734b | 809 | case COL_LABEL: |
fed34a1e | 810 | prop = lsblk_device_get_properties(dev); |
baad6dcc KZ |
811 | if (prop && prop->label) |
812 | str = xstrdup(prop->label); | |
2a4c734b MB |
813 | break; |
814 | case COL_UUID: | |
fed34a1e | 815 | prop = lsblk_device_get_properties(dev); |
baad6dcc KZ |
816 | if (prop && prop->uuid) |
817 | str = xstrdup(prop->uuid); | |
2a4c734b | 818 | break; |
1b06b33d | 819 | case COL_PTUUID: |
fed34a1e | 820 | prop = lsblk_device_get_properties(dev); |
baad6dcc KZ |
821 | if (prop && prop->ptuuid) |
822 | str = xstrdup(prop->ptuuid); | |
1b06b33d MB |
823 | break; |
824 | case COL_PTTYPE: | |
fed34a1e | 825 | prop = lsblk_device_get_properties(dev); |
baad6dcc KZ |
826 | if (prop && prop->pttype) |
827 | str = xstrdup(prop->pttype); | |
1b06b33d | 828 | break; |
4686ba17 | 829 | case COL_PARTTYPE: |
fed34a1e | 830 | prop = lsblk_device_get_properties(dev); |
baad6dcc KZ |
831 | if (prop && prop->parttype) |
832 | str = xstrdup(prop->parttype); | |
4686ba17 | 833 | break; |
107e9559 KZ |
834 | case COL_PARTTYPENAME: |
835 | prop = lsblk_device_get_properties(dev); | |
836 | if (prop && prop->parttype && prop->pttype) { | |
837 | const char *x = lsblk_parttype_code_to_string( | |
838 | prop->parttype, prop->pttype); | |
839 | if (x) | |
840 | str = xstrdup(x); | |
841 | } | |
842 | break; | |
aa0903e0 | 843 | case COL_PARTLABEL: |
fed34a1e | 844 | prop = lsblk_device_get_properties(dev); |
baad6dcc KZ |
845 | if (prop && prop->partlabel) |
846 | str = xstrdup(prop->partlabel); | |
aa0903e0 KZ |
847 | break; |
848 | case COL_PARTUUID: | |
fed34a1e | 849 | prop = lsblk_device_get_properties(dev); |
baad6dcc KZ |
850 | if (prop && prop->partuuid) |
851 | str = xstrdup(prop->partuuid); | |
aa0903e0 | 852 | break; |
5a2fd932 | 853 | case COL_PARTFLAGS: |
fed34a1e | 854 | prop = lsblk_device_get_properties(dev); |
baad6dcc KZ |
855 | if (prop && prop->partflags) |
856 | str = xstrdup(prop->partflags); | |
5a2fd932 | 857 | break; |
88ca32b3 | 858 | case COL_WWN: |
fed34a1e | 859 | prop = lsblk_device_get_properties(dev); |
baad6dcc KZ |
860 | if (prop && prop->wwn) |
861 | str = xstrdup(prop->wwn); | |
88ca32b3 | 862 | break; |
150db7a9 | 863 | case COL_RA: |
fed34a1e | 864 | ul_path_read_string(dev->sysfs, &str, "queue/read_ahead_kb"); |
d81e32bd KZ |
865 | if (sortdata) |
866 | str2u64(str, sortdata); | |
150db7a9 | 867 | break; |
2a4c734b | 868 | case COL_RO: |
fed34a1e | 869 | str = xstrdup(is_readonly_device(dev) ? "1" : "0"); |
2a4c734b | 870 | break; |
627970a7 | 871 | case COL_RM: |
81a8936c | 872 | str = xstrdup(is_removable_device(dev, parent) ? "1" : "0"); |
2a4c734b | 873 | break; |
483987c2 | 874 | case COL_HOTPLUG: |
fed34a1e | 875 | str = sysfs_blkdev_is_hotpluggable(dev->sysfs) ? xstrdup("1") : xstrdup("0"); |
483987c2 | 876 | break; |
2a4c734b | 877 | case COL_ROTA: |
fed34a1e | 878 | ul_path_read_string(dev->sysfs, &str, "queue/rotational"); |
2a4c734b | 879 | break; |
12b06c3d | 880 | case COL_RAND: |
fed34a1e | 881 | ul_path_read_string(dev->sysfs, &str, "queue/add_random"); |
12b06c3d | 882 | break; |
2a4c734b | 883 | case COL_MODEL: |
10501add | 884 | if (!device_is_partition(dev) && dev->nslaves == 0) { |
fed34a1e | 885 | prop = lsblk_device_get_properties(dev); |
baad6dcc KZ |
886 | if (prop && prop->model) |
887 | str = xstrdup(prop->model); | |
13cbc6f2 | 888 | else |
fed34a1e | 889 | ul_path_read_string(dev->sysfs, &str, "device/model"); |
13cbc6f2 | 890 | } |
d6681cee | 891 | break; |
460c7afb | 892 | case COL_SERIAL: |
10501add | 893 | if (!device_is_partition(dev) && dev->nslaves == 0) { |
fed34a1e | 894 | prop = lsblk_device_get_properties(dev); |
baad6dcc KZ |
895 | if (prop && prop->serial) |
896 | str = xstrdup(prop->serial); | |
3d305170 | 897 | else |
fed34a1e | 898 | ul_path_read_string(dev->sysfs, &str, "device/serial"); |
460c7afb KZ |
899 | } |
900 | break; | |
d6681cee | 901 | case COL_REV: |
10501add | 902 | if (!device_is_partition(dev) && dev->nslaves == 0) |
fed34a1e | 903 | ul_path_read_string(dev->sysfs, &str, "device/rev"); |
99f43b72 MB |
904 | break; |
905 | case COL_VENDOR: | |
10501add | 906 | if (!device_is_partition(dev) && dev->nslaves == 0) |
fed34a1e | 907 | ul_path_read_string(dev->sysfs, &str, "device/vendor"); |
2a4c734b MB |
908 | break; |
909 | case COL_SIZE: | |
bb6e822a | 910 | if (lsblk->bytes) |
fed34a1e | 911 | xasprintf(&str, "%ju", dev->size); |
bb6e822a | 912 | else |
fed34a1e | 913 | str = size_to_human_string(SIZE_SUFFIX_1LETTER, dev->size); |
d81e32bd KZ |
914 | if (sortdata) |
915 | *sortdata = dev->size; | |
2a4c734b | 916 | break; |
01e487c0 | 917 | case COL_STATE: |
10501add | 918 | if (!device_is_partition(dev) && !dev->dm_name) |
fed34a1e KZ |
919 | ul_path_read_string(dev->sysfs, &str, "device/state"); |
920 | else if (dev->dm_name) { | |
01e487c0 | 921 | int x = 0; |
fed34a1e | 922 | if (ul_path_read_s32(dev->sysfs, &x, "dm/suspended") == 0) |
bb6e822a | 923 | str = xstrdup(x ? "suspended" : "running"); |
01e487c0 | 924 | } |
01e487c0 | 925 | break; |
2a4c734b | 926 | case COL_ALIOFF: |
fed34a1e | 927 | ul_path_read_string(dev->sysfs, &str, "alignment_offset"); |
d81e32bd KZ |
928 | if (sortdata) |
929 | str2u64(str, sortdata); | |
2a4c734b MB |
930 | break; |
931 | case COL_MINIO: | |
fed34a1e | 932 | ul_path_read_string(dev->sysfs, &str, "queue/minimum_io_size"); |
d81e32bd KZ |
933 | if (sortdata) |
934 | str2u64(str, sortdata); | |
2a4c734b MB |
935 | break; |
936 | case COL_OPTIO: | |
fed34a1e | 937 | ul_path_read_string(dev->sysfs, &str, "queue/optimal_io_size"); |
d81e32bd KZ |
938 | if (sortdata) |
939 | str2u64(str, sortdata); | |
2a4c734b MB |
940 | break; |
941 | case COL_PHYSEC: | |
fed34a1e | 942 | ul_path_read_string(dev->sysfs, &str, "queue/physical_block_size"); |
d81e32bd KZ |
943 | if (sortdata) |
944 | str2u64(str, sortdata); | |
2a4c734b MB |
945 | break; |
946 | case COL_LOGSEC: | |
fed34a1e | 947 | ul_path_read_string(dev->sysfs, &str, "queue/logical_block_size"); |
d81e32bd KZ |
948 | if (sortdata) |
949 | str2u64(str, sortdata); | |
2a4c734b MB |
950 | break; |
951 | case COL_SCHED: | |
fed34a1e | 952 | str = get_scheduler(dev); |
2a4c734b | 953 | break; |
64c9e22a | 954 | case COL_RQ_SIZE: |
fed34a1e | 955 | ul_path_read_string(dev->sysfs, &str, "queue/nr_requests"); |
d81e32bd KZ |
956 | if (sortdata) |
957 | str2u64(str, sortdata); | |
64c9e22a | 958 | break; |
18eac5ba | 959 | case COL_TYPE: |
fed34a1e | 960 | str = get_type(dev); |
18eac5ba | 961 | break; |
699e5c4f MB |
962 | case COL_HCTL: |
963 | { | |
964 | int h, c, t, l; | |
fed34a1e | 965 | if (sysfs_blkdev_scsi_get_hctl(dev->sysfs, &h, &c, &t, &l) == 0) |
bb6e822a | 966 | xasprintf(&str, "%d:%d:%d:%d", h, c, t, l); |
699e5c4f MB |
967 | break; |
968 | } | |
a5fb4d23 | 969 | case COL_TRANSPORT: |
fed34a1e | 970 | str = get_transport(dev); |
a5fb4d23 | 971 | break; |
7f14ee1b | 972 | case COL_SUBSYS: |
fed34a1e | 973 | str = get_subsystems(dev); |
7f14ee1b | 974 | break; |
2d232246 | 975 | case COL_DALIGN: |
8a2f175c | 976 | if (device_get_discard_granularity(dev) > 0) |
fed34a1e | 977 | ul_path_read_string(dev->sysfs, &str, "discard_alignment"); |
bb6e822a KZ |
978 | if (!str) |
979 | str = xstrdup("0"); | |
d81e32bd KZ |
980 | if (sortdata) |
981 | str2u64(str, sortdata); | |
2d232246 MP |
982 | break; |
983 | case COL_DGRAN: | |
642048e4 | 984 | if (lsblk->bytes) { |
fed34a1e | 985 | ul_path_read_string(dev->sysfs, &str, "queue/discard_granularity"); |
d81e32bd KZ |
986 | if (sortdata) |
987 | str2u64(str, sortdata); | |
642048e4 | 988 | } else { |
8a2f175c KZ |
989 | uint64_t x = device_get_discard_granularity(dev); |
990 | str = size_to_human_string(SIZE_SUFFIX_1LETTER, x); | |
d81e32bd KZ |
991 | if (sortdata) |
992 | *sortdata = x; | |
9cfe1b9c | 993 | } |
2d232246 MP |
994 | break; |
995 | case COL_DMAX: | |
642048e4 | 996 | if (lsblk->bytes) { |
fed34a1e | 997 | ul_path_read_string(dev->sysfs, &str, "queue/discard_max_bytes"); |
d81e32bd KZ |
998 | if (sortdata) |
999 | str2u64(str, sortdata); | |
642048e4 | 1000 | } else { |
9cfe1b9c | 1001 | uint64_t x; |
fed34a1e | 1002 | if (ul_path_read_u64(dev->sysfs, &x, "queue/discard_max_bytes") == 0) { |
bb6e822a | 1003 | str = size_to_human_string(SIZE_SUFFIX_1LETTER, x); |
d81e32bd KZ |
1004 | if (sortdata) |
1005 | *sortdata = x; | |
642048e4 | 1006 | } |
9cfe1b9c | 1007 | } |
2d232246 MP |
1008 | break; |
1009 | case COL_DZERO: | |
8a2f175c | 1010 | if (device_get_discard_granularity(dev) > 0) |
fed34a1e | 1011 | ul_path_read_string(dev->sysfs, &str, "queue/discard_zeroes_data"); |
bb6e822a KZ |
1012 | if (!str) |
1013 | str = xstrdup("0"); | |
2d232246 | 1014 | break; |
2adb1a44 | 1015 | case COL_WSAME: |
642048e4 | 1016 | if (lsblk->bytes) { |
fed34a1e | 1017 | ul_path_read_string(dev->sysfs, &str, "queue/write_same_max_bytes"); |
d81e32bd KZ |
1018 | if (sortdata) |
1019 | str2u64(str, sortdata); | |
642048e4 | 1020 | } else { |
2adb1a44 MB |
1021 | uint64_t x; |
1022 | ||
fed34a1e | 1023 | if (ul_path_read_u64(dev->sysfs, &x, "queue/write_same_max_bytes") == 0) { |
bb6e822a | 1024 | str = size_to_human_string(SIZE_SUFFIX_1LETTER, x); |
d81e32bd KZ |
1025 | if (sortdata) |
1026 | *sortdata = x; | |
642048e4 | 1027 | } |
2adb1a44 | 1028 | } |
bb6e822a KZ |
1029 | if (!str) |
1030 | str = xstrdup("0"); | |
2adb1a44 | 1031 | break; |
f2df4365 | 1032 | case COL_ZONED: |
fed34a1e | 1033 | ul_path_read_string(dev->sysfs, &str, "queue/zoned"); |
f2df4365 | 1034 | break; |
b239651b AI |
1035 | case COL_DAX: |
1036 | ul_path_read_string(dev->sysfs, &str, "queue/dax"); | |
1037 | break; | |
2a4c734b | 1038 | }; |
bb6e822a | 1039 | |
d81e32bd | 1040 | return str; |
2a4c734b MB |
1041 | } |
1042 | ||
b93585e8 KZ |
1043 | /* |
1044 | * Adds data for all wanted columns about the device to the smartcols table | |
1045 | */ | |
d81e32bd KZ |
1046 | static void device_to_scols( |
1047 | struct lsblk_device *dev, | |
1048 | struct lsblk_device *parent, | |
1049 | struct libscols_table *tab, | |
1050 | struct libscols_line *parent_line) | |
2a4c734b | 1051 | { |
40b17508 | 1052 | size_t i; |
d81e32bd | 1053 | struct libscols_line *ln; |
f43b8297 KZ |
1054 | struct lsblk_iter itr; |
1055 | struct lsblk_device *child = NULL; | |
0bd05f5e | 1056 | int link_group = 0; |
2a4c734b | 1057 | |
fe22543d KZ |
1058 | |
1059 | DBG(DEV, ul_debugobj(dev, "add '%s' to scols", dev->name)); | |
1060 | ON_DBG(DEV, if (ul_path_isopen_dirfd(dev->sysfs)) ul_debugobj(dev, " %s ---> is open!", dev->name)); | |
ff7992d6 | 1061 | |
e3bb9bfb KZ |
1062 | if (!parent && dev->wholedisk) |
1063 | parent = dev->wholedisk; | |
1064 | ||
91b636b5 KZ |
1065 | /* Do not print device more than once on --list if tree order is not requested */ |
1066 | if (!(lsblk->flags & LSBLK_TREE) && !lsblk->force_tree_order && dev->is_printed) | |
0bd05f5e KZ |
1067 | return; |
1068 | ||
1069 | if (lsblk->merge && list_count_entries(&dev->parents) > 1) { | |
1070 | if (!lsblk_device_is_last_parent(dev, parent)) | |
1071 | return; | |
1072 | link_group = 1; | |
1073 | } | |
1074 | ||
1075 | ln = scols_table_new_line(tab, link_group ? NULL : parent_line); | |
d81e32bd | 1076 | if (!ln) |
780ce22c | 1077 | err(EXIT_FAILURE, _("failed to allocate output line")); |
2a4c734b | 1078 | |
0bd05f5e KZ |
1079 | dev->is_printed = 1; |
1080 | ||
1081 | if (link_group) { | |
1082 | struct lsblk_device *p; | |
1083 | struct libscols_line *gr = parent_line; | |
1084 | ||
1085 | /* Merge all my parents to the one group */ | |
fe22543d | 1086 | DBG(DEV, ul_debugobj(dev, " grouping parents [--merge]")); |
0bd05f5e KZ |
1087 | lsblk_reset_iter(&itr, LSBLK_ITER_FORWARD); |
1088 | while (lsblk_device_next_parent(dev, &itr, &p) == 0) { | |
fe22543d KZ |
1089 | if (!p->scols_line) { |
1090 | DBG(DEV, ul_debugobj(dev, " *** ignore '%s' no scols line yet", p->name)); | |
0bd05f5e | 1091 | continue; |
fe22543d KZ |
1092 | } |
1093 | DBG(DEV, ul_debugobj(dev, " group '%s'", p->name)); | |
1094 | scols_table_group_lines(tab, p->scols_line, gr, 0); | |
0bd05f5e KZ |
1095 | } |
1096 | ||
1097 | /* Link the group -- this makes group->child connection */ | |
fe22543d | 1098 | DBG(DEV, ul_debugobj(dev, " linking the group [--merge]")); |
0bd05f5e KZ |
1099 | scols_line_link_group(ln, gr, 0); |
1100 | } | |
1101 | ||
d81e32bd KZ |
1102 | /* read column specific data and set it to smartcols table line */ |
1103 | for (i = 0; i < ncolumns; i++) { | |
1104 | char *data; | |
1105 | int id = get_column_id(i); | |
1106 | ||
1107 | if (lsblk->sort_id != id) | |
1108 | data = device_get_data(dev, parent, id, NULL); | |
1109 | else { | |
1110 | uint64_t sortdata = (uint64_t) -1; | |
1111 | ||
1112 | data = device_get_data(dev, parent, id, &sortdata); | |
1113 | if (data && sortdata != (uint64_t) -1) | |
1114 | set_sortdata_u64(ln, i, sortdata); | |
1115 | } | |
fe22543d | 1116 | DBG(DEV, ul_debugobj(dev, " refer data[%zu]=\"%s\"", i, data)); |
d81e32bd KZ |
1117 | if (data && scols_line_refer_data(ln, i, data)) |
1118 | err(EXIT_FAILURE, _("failed to add output data")); | |
1119 | } | |
f43b8297 | 1120 | |
0bd05f5e KZ |
1121 | dev->scols_line = ln; |
1122 | ||
ff7992d6 KZ |
1123 | if (dev->npartitions == 0) |
1124 | /* For partitions we often read from parental whole-disk sysfs, | |
1125 | * otherwise we can close */ | |
1126 | ul_path_close_dirfd(dev->sysfs); | |
1127 | ||
0bd05f5e | 1128 | lsblk_reset_iter(&itr, LSBLK_ITER_FORWARD); |
fe22543d KZ |
1129 | while (lsblk_device_next_child(dev, &itr, &child) == 0) { |
1130 | DBG(DEV, ul_debugobj(dev, "%s -> continue to child", dev->name)); | |
d81e32bd | 1131 | device_to_scols(child, dev, tab, ln); |
fe22543d KZ |
1132 | DBG(DEV, ul_debugobj(dev, "%s <- child done", dev->name)); |
1133 | } | |
ff7992d6 KZ |
1134 | |
1135 | /* Let's be careful with number of open files */ | |
1136 | ul_path_close_dirfd(dev->sysfs); | |
f43b8297 KZ |
1137 | } |
1138 | ||
b93585e8 KZ |
1139 | /* |
1140 | * Walks on tree and adds one line for each device to the smartcols table | |
1141 | */ | |
f43b8297 KZ |
1142 | static void devtree_to_scols(struct lsblk_devtree *tr, struct libscols_table *tab) |
1143 | { | |
1144 | struct lsblk_iter itr; | |
1145 | struct lsblk_device *dev = NULL; | |
1146 | ||
1147 | lsblk_reset_iter(&itr, LSBLK_ITER_FORWARD); | |
1148 | ||
1149 | while (lsblk_devtree_next_root(tr, &itr, &dev) == 0) | |
d81e32bd | 1150 | device_to_scols(dev, NULL, tab, NULL); |
2a4c734b MB |
1151 | } |
1152 | ||
14bb8e3c KZ |
1153 | static int ignore_empty(struct lsblk_device *dev) |
1154 | { | |
c90a8f1a KZ |
1155 | /* show all non-empty devices */ |
1156 | if (dev->size) | |
14bb8e3c | 1157 | return 0; |
c90a8f1a KZ |
1158 | |
1159 | /* ignore empty loop devices without backing file */ | |
1160 | if (dev->maj == LOOPDEV_MAJOR && | |
1161 | !loopdev_has_backing_file(dev->filename)) | |
1162 | return 1; | |
1163 | ||
1164 | return 0; | |
14bb8e3c KZ |
1165 | } |
1166 | ||
b93585e8 KZ |
1167 | /* |
1168 | * Reads very basic information about the device from sysfs into the device struct | |
1169 | */ | |
b158bd29 | 1170 | static int initialize_device(struct lsblk_device *dev, |
fed34a1e | 1171 | struct lsblk_device *wholedisk, |
09a71aa1 | 1172 | const char *name) |
2a4c734b | 1173 | { |
766ab9b0 | 1174 | dev_t devno; |
2a4c734b | 1175 | |
b158bd29 KZ |
1176 | DBG(DEV, ul_debugobj(dev, "initialize %s [wholedisk=%p %s]", |
1177 | name, wholedisk, wholedisk ? wholedisk->name : "")); | |
7e786eca | 1178 | |
c8487d85 RS |
1179 | if (sysfs_devname_is_hidden(lsblk->sysroot, name)) { |
1180 | DBG(DEV, ul_debugobj(dev, "%s: hidden, ignore", name)); | |
1181 | return -1; | |
1182 | } | |
1183 | ||
fed34a1e | 1184 | dev->name = xstrdup(name); |
10501add KZ |
1185 | |
1186 | if (wholedisk) { | |
1187 | dev->wholedisk = wholedisk; | |
1188 | lsblk_ref_device(wholedisk); | |
1189 | } | |
2a4c734b | 1190 | |
fed34a1e KZ |
1191 | dev->filename = get_device_path(dev); |
1192 | if (!dev->filename) { | |
3bf2a36c | 1193 | DBG(DEV, ul_debugobj(dev, "%s: failed to get device path", dev->name)); |
270e66ec MB |
1194 | return -1; |
1195 | } | |
3bf2a36c | 1196 | DBG(DEV, ul_debugobj(dev, "%s: filename=%s", dev->name, dev->filename)); |
2a4c734b | 1197 | |
fed34a1e | 1198 | devno = __sysfs_devname_to_devno(lsblk->sysroot, dev->name, wholedisk ? wholedisk->name : NULL); |
270e66ec | 1199 | if (!devno) { |
3bf2a36c | 1200 | DBG(DEV, ul_debugobj(dev, "%s: unknown device name", dev->name)); |
270e66ec MB |
1201 | return -1; |
1202 | } | |
2a4c734b | 1203 | |
0e086f82 KZ |
1204 | dev->sysfs = ul_new_sysfs_path(devno, wholedisk ? wholedisk->sysfs : NULL, lsblk->sysroot); |
1205 | if (!dev->sysfs) { | |
1206 | DBG(DEV, ul_debugobj(dev, "%s: failed to initialize sysfs handler", dev->name)); | |
1207 | return -1; | |
270e66ec | 1208 | } |
766ab9b0 | 1209 | |
fed34a1e KZ |
1210 | dev->maj = major(devno); |
1211 | dev->min = minor(devno); | |
1212 | dev->size = 0; | |
2a4c734b | 1213 | |
fed34a1e KZ |
1214 | if (ul_path_read_u64(dev->sysfs, &dev->size, "size") == 0) /* in sectors */ |
1215 | dev->size <<= 9; /* in bytes */ | |
90e9fcda | 1216 | |
2a4c734b | 1217 | /* Ignore devices of zero size */ |
14bb8e3c | 1218 | if (!lsblk->all_devices && ignore_empty(dev)) { |
3bf2a36c | 1219 | DBG(DEV, ul_debugobj(dev, "zero size device -- ignore")); |
2a4c734b | 1220 | return -1; |
7e786eca | 1221 | } |
fed34a1e KZ |
1222 | if (is_dm(dev->name)) { |
1223 | ul_path_read_string(dev->sysfs, &dev->dm_name, "dm/name"); | |
1224 | if (!dev->dm_name) { | |
3bf2a36c | 1225 | DBG(DEV, ul_debugobj(dev, "%s: failed to get dm name", dev->name)); |
270e66ec MB |
1226 | return -1; |
1227 | } | |
766ab9b0 | 1228 | } |
2a4c734b | 1229 | |
fed34a1e KZ |
1230 | dev->npartitions = sysfs_blkdev_count_partitions(dev->sysfs, dev->name); |
1231 | dev->nholders = ul_path_count_dirents(dev->sysfs, "holders"); | |
1232 | dev->nslaves = ul_path_count_dirents(dev->sysfs, "slaves"); | |
2a4c734b | 1233 | |
3bf2a36c | 1234 | DBG(DEV, ul_debugobj(dev, "%s: npartitions=%d, nholders=%d, nslaves=%d", |
fed34a1e | 1235 | dev->name, dev->npartitions, dev->nholders, dev->nslaves)); |
7e786eca | 1236 | |
28ffc2b7 | 1237 | /* ignore non-SCSI devices */ |
fed34a1e | 1238 | if (lsblk->scsi && sysfs_blkdev_scsi_get_hctl(dev->sysfs, NULL, NULL, NULL, NULL)) { |
3bf2a36c | 1239 | DBG(DEV, ul_debugobj(dev, "non-scsi device -- ignore")); |
28ffc2b7 | 1240 | return -1; |
7e786eca | 1241 | } |
28ffc2b7 | 1242 | |
3bf2a36c | 1243 | DBG(DEV, ul_debugobj(dev, "%s: context successfully initialized", dev->name)); |
2a4c734b MB |
1244 | return 0; |
1245 | } | |
1246 | ||
4ca3c472 | 1247 | static struct lsblk_device *devtree_get_device_or_new(struct lsblk_devtree *tr, |
583b6489 KZ |
1248 | struct lsblk_device *disk, |
1249 | const char *name) | |
1250 | { | |
1251 | struct lsblk_device *dev = lsblk_devtree_get_device(tr, name); | |
1252 | ||
1253 | if (!dev) { | |
10501add | 1254 | dev = lsblk_new_device(); |
583b6489 KZ |
1255 | if (!dev) |
1256 | err(EXIT_FAILURE, _("failed to allocate device")); | |
1257 | ||
b158bd29 | 1258 | if (initialize_device(dev, disk, name) != 0) { |
583b6489 KZ |
1259 | lsblk_unref_device(dev); |
1260 | return NULL; | |
1261 | } | |
1262 | lsblk_devtree_add_device(tr, dev); | |
1263 | lsblk_unref_device(dev); /* keep it referenced by devtree only */ | |
1264 | } else | |
1265 | DBG(DEV, ul_debugobj(dev, "%s: already processed", name)); | |
1266 | ||
1267 | return dev; | |
1268 | } | |
a0a76f42 | 1269 | |
4ca3c472 KZ |
1270 | static int process_dependencies( |
1271 | struct lsblk_devtree *tr, | |
1272 | struct lsblk_device *dev, | |
1273 | int do_partitions); | |
09a71aa1 | 1274 | |
2a4c734b | 1275 | /* |
4ca3c472 | 1276 | * Read devices from whole-disk device into tree |
2a4c734b | 1277 | */ |
cf3c1bc7 | 1278 | static int process_partitions(struct lsblk_devtree *tr, struct lsblk_device *disk) |
2a4c734b MB |
1279 | { |
1280 | DIR *dir; | |
1281 | struct dirent *d; | |
2a4c734b | 1282 | |
cf3c1bc7 | 1283 | assert(disk); |
f31505fe | 1284 | |
09a71aa1 PR |
1285 | /* |
1286 | * Do not process further if there are no partitions for | |
1287 | * this device or the device itself is a partition. | |
1288 | */ | |
10501add | 1289 | if (!disk->npartitions || device_is_partition(disk)) |
cf3c1bc7 | 1290 | return -EINVAL; |
2a4c734b | 1291 | |
cf3c1bc7 | 1292 | DBG(DEV, ul_debugobj(disk, "%s: probe whole-disk for partitions", disk->name)); |
7e786eca | 1293 | |
cf3c1bc7 | 1294 | dir = ul_path_opendir(disk->sysfs, NULL); |
2a4c734b MB |
1295 | if (!dir) |
1296 | err(EXIT_FAILURE, _("failed to open device directory in sysfs")); | |
1297 | ||
1298 | while ((d = xreaddir(dir))) { | |
4ca3c472 | 1299 | struct lsblk_device *part; |
2a4c734b | 1300 | |
cf3c1bc7 | 1301 | if (!(sysfs_blkdev_is_partition_dirent(dir, d, disk->name))) |
270e66ec | 1302 | continue; |
09a71aa1 | 1303 | |
cf3c1bc7 | 1304 | DBG(DEV, ul_debugobj(disk, " checking %s", d->d_name)); |
7e786eca | 1305 | |
cf3c1bc7 | 1306 | part = devtree_get_device_or_new(tr, disk, d->d_name); |
4ca3c472 KZ |
1307 | if (!part) |
1308 | continue; | |
1309 | ||
cf3c1bc7 | 1310 | if (lsblk_device_new_dependence(disk, part) == 0) |
4ca3c472 | 1311 | process_dependencies(tr, part, 0); |
ff7992d6 KZ |
1312 | |
1313 | ul_path_close_dirfd(part->sysfs); | |
2a4c734b | 1314 | } |
09a71aa1 | 1315 | |
ff7992d6 KZ |
1316 | /* For partitions we need parental (whole-disk) sysfs directory pretty |
1317 | * often, so close it now when all is done */ | |
1318 | ul_path_close_dirfd(disk->sysfs); | |
1319 | ||
cf3c1bc7 | 1320 | DBG(DEV, ul_debugobj(disk, "probe whole-disk for partitions -- done")); |
2a4c734b | 1321 | closedir(dir); |
4ca3c472 | 1322 | return 0; |
09a71aa1 PR |
1323 | } |
1324 | ||
4ca3c472 | 1325 | static char *get_wholedisk_from_partition_dirent(DIR *dir, struct dirent *d, char *buf, size_t bufsz) |
09a71aa1 | 1326 | { |
09a71aa1 PR |
1327 | char *p; |
1328 | int len; | |
1329 | ||
4ca3c472 | 1330 | if ((len = readlinkat(dirfd(dir), d->d_name, buf, bufsz - 1)) < 0) |
09a71aa1 | 1331 | return 0; |
540d506f | 1332 | |
4ca3c472 | 1333 | buf[len] = '\0'; |
09a71aa1 PR |
1334 | |
1335 | /* The path ends with ".../<device>/<partition>" */ | |
4ca3c472 | 1336 | p = strrchr(buf, '/'); |
540d506f | 1337 | if (!p) |
4ca3c472 | 1338 | return NULL; |
540d506f KZ |
1339 | *p = '\0'; |
1340 | ||
4ca3c472 | 1341 | p = strrchr(buf, '/'); |
540d506f | 1342 | if (!p) |
4ca3c472 | 1343 | return NULL; |
540d506f | 1344 | p++; |
2a4c734b | 1345 | |
4ca3c472 | 1346 | return p; |
09a71aa1 PR |
1347 | } |
1348 | ||
1349 | /* | |
b93585e8 | 1350 | * Reads slaves/holders and partitions for specified device into device tree |
09a71aa1 | 1351 | */ |
4ca3c472 KZ |
1352 | static int process_dependencies( |
1353 | struct lsblk_devtree *tr, | |
1354 | struct lsblk_device *dev, | |
1355 | int do_partitions) | |
09a71aa1 PR |
1356 | { |
1357 | DIR *dir; | |
1358 | struct dirent *d; | |
540d506f | 1359 | const char *depname; |
09a71aa1 | 1360 | |
fed34a1e | 1361 | assert(dev); |
09a71aa1 | 1362 | |
57a06133 KZ |
1363 | if (lsblk->nodeps) |
1364 | return 0; | |
1365 | ||
4ca3c472 KZ |
1366 | /* read all or specified partition */ |
1367 | if (do_partitions && dev->npartitions) | |
1368 | process_partitions(tr, dev); | |
1369 | ||
4ca3c472 | 1370 | DBG(DEV, ul_debugobj(dev, "%s: reading dependencies", dev->name)); |
7e786eca | 1371 | |
4ca3c472 KZ |
1372 | if (!(lsblk->inverse ? dev->nslaves : dev->nholders)) { |
1373 | DBG(DEV, ul_debugobj(dev, " ignore (no slaves/holders)")); | |
09a71aa1 | 1374 | return 0; |
4ca3c472 | 1375 | } |
09a71aa1 | 1376 | |
540d506f | 1377 | depname = lsblk->inverse ? "slaves" : "holders"; |
fed34a1e | 1378 | dir = ul_path_opendir(dev->sysfs, depname); |
4ca3c472 KZ |
1379 | if (!dir) { |
1380 | DBG(DEV, ul_debugobj(dev, " ignore (no slaves/holders directory)")); | |
2a4c734b | 1381 | return 0; |
4ca3c472 | 1382 | } |
ff7992d6 | 1383 | ul_path_close_dirfd(dev->sysfs); |
2a4c734b | 1384 | |
4ca3c472 | 1385 | DBG(DEV, ul_debugobj(dev, " %s: checking for '%s' dependence", dev->name, depname)); |
7e786eca | 1386 | |
2a4c734b | 1387 | while ((d = xreaddir(dir))) { |
ff7992d6 KZ |
1388 | struct lsblk_device *dep = NULL; |
1389 | struct lsblk_device *disk = NULL; | |
4ca3c472 | 1390 | |
09a71aa1 | 1391 | /* Is the dependency a partition? */ |
f153614c | 1392 | if (sysfs_blkdev_is_partition_dirent(dir, d, NULL)) { |
4ca3c472 KZ |
1393 | |
1394 | char buf[PATH_MAX]; | |
1395 | char *diskname; | |
4ca3c472 KZ |
1396 | |
1397 | DBG(DEV, ul_debugobj(dev, " %s: dependence is partition", d->d_name)); | |
1398 | ||
1399 | diskname = get_wholedisk_from_partition_dirent(dir, d, buf, sizeof(buf)); | |
1400 | if (diskname) | |
0e086f82 | 1401 | disk = devtree_get_device_or_new(tr, NULL, diskname); |
4ca3c472 KZ |
1402 | if (!disk) { |
1403 | DBG(DEV, ul_debugobj(dev, " ignore no wholedisk ???")); | |
ff7992d6 | 1404 | goto next; |
7e786eca | 1405 | } |
4ca3c472 | 1406 | |
0e086f82 | 1407 | dep = devtree_get_device_or_new(tr, disk, d->d_name); |
4ca3c472 | 1408 | if (!dep) |
ff7992d6 | 1409 | goto next; |
4ca3c472 KZ |
1410 | |
1411 | if (lsblk_device_new_dependence(dev, dep) == 0) | |
1412 | process_dependencies(tr, dep, 1); | |
1413 | ||
1414 | if (lsblk->inverse | |
1415 | && lsblk_device_new_dependence(dep, disk) == 0) | |
1416 | process_dependencies(tr, disk, 0); | |
270e66ec | 1417 | } |
09a71aa1 | 1418 | /* The dependency is a whole device. */ |
4ca3c472 KZ |
1419 | else { |
1420 | DBG(DEV, ul_debugobj(dev, " %s: %s: dependence is whole-disk", | |
fed34a1e | 1421 | dev->name, d->d_name)); |
4ca3c472 | 1422 | |
0e086f82 | 1423 | dep = devtree_get_device_or_new(tr, NULL, d->d_name); |
4ca3c472 | 1424 | if (!dep) |
ff7992d6 | 1425 | goto next; |
4ca3c472 KZ |
1426 | |
1427 | if (lsblk_device_new_dependence(dev, dep) == 0) | |
1428 | /* For inverse tree we don't want to show partitions | |
1429 | * if the dependence is on whole-disk */ | |
1430 | process_dependencies(tr, dep, lsblk->inverse ? 0 : 1); | |
7e786eca | 1431 | } |
ff7992d6 KZ |
1432 | next: |
1433 | if (dep && dep->sysfs) | |
1434 | ul_path_close_dirfd(dep->sysfs); | |
1435 | if (disk && disk->sysfs) | |
1436 | ul_path_close_dirfd(disk->sysfs); | |
2a4c734b MB |
1437 | } |
1438 | closedir(dir); | |
1439 | ||
3bf2a36c | 1440 | DBG(DEV, ul_debugobj(dev, "%s: checking for '%s' -- done", dev->name, depname)); |
2a4c734b MB |
1441 | return 0; |
1442 | } | |
1443 | ||
b93585e8 KZ |
1444 | /* |
1445 | * Defines the device as root node in the device tree and walks on all dependencies of the device. | |
1446 | */ | |
e7b5353e | 1447 | static int __process_one_device(struct lsblk_devtree *tr, char *devname, dev_t devno) |
2a4c734b | 1448 | { |
291606fa | 1449 | struct lsblk_device *dev = NULL; |
ff7992d6 | 1450 | struct lsblk_device *disk = NULL; |
1539750f | 1451 | char buf[PATH_MAX + 1], *name = NULL, *diskname = NULL; |
1539750f | 1452 | int real_part = 0, rc = -EINVAL; |
2a4c734b | 1453 | |
106e6960 | 1454 | if (devno == 0 && devname) { |
e7b5353e KZ |
1455 | struct stat st; |
1456 | ||
1457 | DBG(DEV, ul_debug("%s: reading alone device", devname)); | |
1458 | ||
1459 | if (stat(devname, &st) || !S_ISBLK(st.st_mode)) { | |
1460 | warnx(_("%s: not a block device"), devname); | |
1461 | goto leave; | |
1462 | } | |
1463 | devno = st.st_rdev; | |
106e6960 | 1464 | } else if (devno) { |
e7b5353e | 1465 | DBG(DEV, ul_debug("%d:%d: reading alone device", major(devno), minor(devno))); |
106e6960 KZ |
1466 | } else { |
1467 | assert(devno || devname); | |
1468 | return -EINVAL; | |
1469 | } | |
da30cb2a | 1470 | |
f153614c KZ |
1471 | /* TODO: sysfs_devno_to_devname() internally initializes path_cxt, it |
1472 | * would be better to use ul_new_sysfs_path() + sysfs_blkdev_get_name() | |
b158bd29 | 1473 | * and reuse path_cxt for initialize_device() |
f153614c | 1474 | */ |
e7b5353e | 1475 | name = sysfs_devno_to_devname(devno, buf, sizeof(buf)); |
f153614c | 1476 | if (!name) { |
e7b5353e KZ |
1477 | if (devname) |
1478 | warn(_("%s: failed to get sysfs name"), devname); | |
1539750f | 1479 | goto leave; |
2a4c734b | 1480 | } |
3273ce07 | 1481 | name = xstrdup(name); |
da30cb2a PR |
1482 | |
1483 | if (!strncmp(name, "dm-", 3)) { | |
1484 | /* dm mapping is never a real partition! */ | |
1485 | real_part = 0; | |
1486 | } else { | |
ff7992d6 KZ |
1487 | dev_t diskno = 0; |
1488 | ||
1489 | if (blkid_devno_to_wholedisk(devno, buf, sizeof(buf), &diskno)) { | |
e7b5353e | 1490 | warn(_("%s: failed to get whole-disk device number"), name); |
1539750f | 1491 | goto leave; |
da30cb2a PR |
1492 | } |
1493 | diskname = buf; | |
ff7992d6 | 1494 | real_part = devno != diskno; |
da30cb2a PR |
1495 | } |
1496 | ||
1497 | if (!real_part) { | |
2a4c734b | 1498 | /* |
09a71aa1 | 1499 | * Device is not a partition. |
2a4c734b | 1500 | */ |
4ca3c472 KZ |
1501 | DBG(DEV, ul_debug(" non-partition")); |
1502 | ||
0e086f82 | 1503 | dev = devtree_get_device_or_new(tr, NULL, name); |
291606fa | 1504 | if (!dev) |
270e66ec | 1505 | goto leave; |
291606fa | 1506 | |
4ca3c472 KZ |
1507 | lsblk_devtree_add_root(tr, dev); |
1508 | process_dependencies(tr, dev, !lsblk->inverse); | |
270e66ec | 1509 | } else { |
2a4c734b | 1510 | /* |
291606fa | 1511 | * Partition, read sysfs name of the disk device |
2a4c734b | 1512 | */ |
4ca3c472 KZ |
1513 | DBG(DEV, ul_debug(" partition")); |
1514 | ||
0e086f82 KZ |
1515 | disk = devtree_get_device_or_new(tr, NULL, diskname); |
1516 | if (!disk) | |
270e66ec | 1517 | goto leave; |
291606fa | 1518 | |
0e086f82 | 1519 | dev = devtree_get_device_or_new(tr, disk, name); |
291606fa | 1520 | if (!dev) |
270e66ec | 1521 | goto leave; |
09a71aa1 | 1522 | |
4ca3c472 KZ |
1523 | lsblk_devtree_add_root(tr, dev); |
1524 | process_dependencies(tr, dev, 1); | |
291606fa | 1525 | |
4ca3c472 | 1526 | if (lsblk->inverse |
0e086f82 KZ |
1527 | && lsblk_device_new_dependence(dev, disk) == 0) |
1528 | process_dependencies(tr, disk, 0); | |
ff7992d6 KZ |
1529 | else |
1530 | ul_path_close_dirfd(disk->sysfs); | |
2a4c734b MB |
1531 | } |
1532 | ||
1539750f | 1533 | rc = 0; |
270e66ec | 1534 | leave: |
ff7992d6 KZ |
1535 | if (dev && dev->sysfs) |
1536 | ul_path_close_dirfd(dev->sysfs); | |
1537 | if (disk && disk->sysfs) | |
1538 | ul_path_close_dirfd(disk->sysfs); | |
da30cb2a | 1539 | free(name); |
1539750f | 1540 | return rc; |
2a4c734b MB |
1541 | } |
1542 | ||
e7b5353e KZ |
1543 | static int process_one_device(struct lsblk_devtree *tr, char *devname) |
1544 | { | |
106e6960 | 1545 | assert(devname); |
e7b5353e KZ |
1546 | return __process_one_device(tr, devname, 0); |
1547 | } | |
1548 | ||
1549 | /* | |
1550 | * The /sys/block contains only root devices, and no partitions. It seems more | |
1551 | * simple to scan /sys/dev/block where are all devices without exceptions to get | |
1552 | * top-level devices for the reverse tree. | |
1553 | */ | |
1554 | static int process_all_devices_inverse(struct lsblk_devtree *tr) | |
e15c9e3d KZ |
1555 | { |
1556 | DIR *dir; | |
1557 | struct dirent *d; | |
e7b5353e KZ |
1558 | struct path_cxt *pc = ul_new_path(_PATH_SYS_DEVBLOCK); |
1559 | ||
1560 | assert(lsblk->inverse); | |
e15c9e3d KZ |
1561 | |
1562 | if (!pc) | |
1563 | err(EXIT_FAILURE, _("failed to allocate /sys handler")); | |
1564 | ||
1565 | ul_path_set_prefix(pc, lsblk->sysroot); | |
e7b5353e KZ |
1566 | dir = ul_path_opendir(pc, NULL); |
1567 | if (!dir) | |
1568 | goto done; | |
1569 | ||
1570 | DBG(DEV, ul_debug("iterate on " _PATH_SYS_DEVBLOCK)); | |
1571 | ||
1572 | while ((d = xreaddir(dir))) { | |
1573 | dev_t devno; | |
1574 | int maj, min; | |
e15c9e3d | 1575 | |
e7b5353e KZ |
1576 | DBG(DEV, ul_debug(" %s dentry", d->d_name)); |
1577 | ||
1578 | if (sscanf(d->d_name, "%d:%d", &maj, &min) != 2) | |
1579 | continue; | |
1580 | devno = makedev(maj, min); | |
1581 | ||
1582 | if (is_maj_excluded(maj) || !is_maj_included(maj)) | |
1583 | continue; | |
1584 | if (ul_path_countf_dirents(pc, "%s/holders", d->d_name) != 0) | |
1585 | continue; | |
1586 | if (sysfs_devno_count_partitions(devno) != 0) | |
1587 | continue; | |
1588 | __process_one_device(tr, NULL, devno); | |
1589 | } | |
1590 | ||
1591 | closedir(dir); | |
1592 | done: | |
1593 | ul_unref_path(pc); | |
1594 | DBG(DEV, ul_debug("iterate on " _PATH_SYS_DEVBLOCK " -- done")); | |
1595 | return 0; | |
1596 | } | |
1597 | ||
b93585e8 KZ |
1598 | /* |
1599 | * Reads root nodes (devices) from /sys/block into devices tree | |
1600 | */ | |
e7b5353e KZ |
1601 | static int process_all_devices(struct lsblk_devtree *tr) |
1602 | { | |
1603 | DIR *dir; | |
1604 | struct dirent *d; | |
1605 | struct path_cxt *pc; | |
1606 | ||
1607 | assert(lsblk->inverse == 0); | |
1608 | ||
1609 | pc = ul_new_path(_PATH_SYS_BLOCK); | |
1610 | if (!pc) | |
1611 | err(EXIT_FAILURE, _("failed to allocate /sys handler")); | |
1612 | ||
1613 | ul_path_set_prefix(pc, lsblk->sysroot); | |
e15c9e3d KZ |
1614 | dir = ul_path_opendir(pc, NULL); |
1615 | if (!dir) | |
1616 | goto done; | |
1617 | ||
e7b5353e | 1618 | DBG(DEV, ul_debug("iterate on " _PATH_SYS_BLOCK)); |
e15c9e3d KZ |
1619 | |
1620 | while ((d = xreaddir(dir))) { | |
ff7992d6 | 1621 | struct lsblk_device *dev = NULL; |
e15c9e3d KZ |
1622 | |
1623 | DBG(DEV, ul_debug(" %s dentry", d->d_name)); | |
e15c9e3d KZ |
1624 | dev = devtree_get_device_or_new(tr, NULL, d->d_name); |
1625 | if (!dev) | |
ff7992d6 | 1626 | goto next; |
e15c9e3d KZ |
1627 | |
1628 | /* remove unwanted devices */ | |
1629 | if (is_maj_excluded(dev->maj) || !is_maj_included(dev->maj)) { | |
1630 | DBG(DEV, ul_debug(" %s: ignore (by filter)", d->d_name)); | |
1631 | lsblk_devtree_remove_device(tr, dev); | |
f6f8a671 | 1632 | dev = NULL; |
ff7992d6 | 1633 | goto next; |
e15c9e3d KZ |
1634 | } |
1635 | ||
e7b5353e KZ |
1636 | if (dev->nslaves) { |
1637 | DBG(DEV, ul_debug(" %s: ignore (in-middle)", d->d_name)); | |
ff7992d6 | 1638 | goto next; |
e15c9e3d | 1639 | } |
0bd05f5e | 1640 | |
e7b5353e KZ |
1641 | lsblk_devtree_add_root(tr, dev); |
1642 | process_dependencies(tr, dev, 1); | |
ff7992d6 KZ |
1643 | next: |
1644 | /* Let's be careful with number of open files */ | |
1645 | if (dev && dev->sysfs) | |
1646 | ul_path_close_dirfd(dev->sysfs); | |
e15c9e3d KZ |
1647 | } |
1648 | ||
1649 | closedir(dir); | |
1650 | done: | |
1651 | ul_unref_path(pc); | |
1652 | DBG(DEV, ul_debug("iterate on " _PATH_SYS_BLOCK " -- done")); | |
1653 | return 0; | |
1654 | } | |
1655 | ||
b93585e8 KZ |
1656 | /* |
1657 | * Parses major numbers as specified on lsblk command line | |
1658 | */ | |
2dc03af7 | 1659 | static void parse_excludes(const char *str0) |
2a4c734b | 1660 | { |
2dc03af7 KZ |
1661 | const char *str = str0; |
1662 | ||
2a4c734b MB |
1663 | while (str && *str) { |
1664 | char *end = NULL; | |
ed34643c | 1665 | unsigned long n; |
2a4c734b MB |
1666 | |
1667 | errno = 0; | |
1668 | n = strtoul(str, &end, 10); | |
1669 | ||
2dc03af7 KZ |
1670 | if (end == str || (end && *end && *end != ',')) |
1671 | errx(EXIT_FAILURE, _("failed to parse list '%s'"), str0); | |
1672 | if (errno != 0 && (n == ULONG_MAX || n == 0)) | |
1673 | err(EXIT_FAILURE, _("failed to parse list '%s'"), str0); | |
2a4c734b MB |
1674 | excludes[nexcludes++] = n; |
1675 | ||
1676 | if (nexcludes == ARRAY_SIZE(excludes)) | |
f14f02f5 | 1677 | /* TRANSLATORS: The standard value for %d is 256. */ |
2a4c734b MB |
1678 | errx(EXIT_FAILURE, _("the list of excluded devices is " |
1679 | "too large (limit is %d devices)"), | |
1680 | (int)ARRAY_SIZE(excludes)); | |
2dc03af7 | 1681 | |
2a4c734b MB |
1682 | str = end && *end ? end + 1 : NULL; |
1683 | } | |
1684 | } | |
1685 | ||
b93585e8 KZ |
1686 | /* |
1687 | * Parses major numbers as specified on lsblk command line | |
1688 | * (TODO: what about refactor and merge parse_excludes() and parse_includes().) | |
1689 | */ | |
2dc03af7 | 1690 | static void parse_includes(const char *str0) |
2ef4e8ba | 1691 | { |
2dc03af7 KZ |
1692 | const char *str = str0; |
1693 | ||
2ef4e8ba KZ |
1694 | while (str && *str) { |
1695 | char *end = NULL; | |
1696 | unsigned long n; | |
1697 | ||
1698 | errno = 0; | |
1699 | n = strtoul(str, &end, 10); | |
1700 | ||
2dc03af7 KZ |
1701 | if (end == str || (end && *end && *end != ',')) |
1702 | errx(EXIT_FAILURE, _("failed to parse list '%s'"), str0); | |
1703 | if (errno != 0 && (n == ULONG_MAX || n == 0)) | |
1704 | err(EXIT_FAILURE, _("failed to parse list '%s'"), str0); | |
2ef4e8ba KZ |
1705 | includes[nincludes++] = n; |
1706 | ||
1707 | if (nincludes == ARRAY_SIZE(includes)) | |
1708 | /* TRANSLATORS: The standard value for %d is 256. */ | |
1709 | errx(EXIT_FAILURE, _("the list of included devices is " | |
1710 | "too large (limit is %d devices)"), | |
1711 | (int)ARRAY_SIZE(includes)); | |
1712 | str = end && *end ? end + 1 : NULL; | |
1713 | } | |
1714 | } | |
1715 | ||
642048e4 KZ |
1716 | /* |
1717 | * see set_sortdata_u64() and columns initialization in main() | |
1718 | */ | |
1719 | static int cmp_u64_cells(struct libscols_cell *a, | |
1720 | struct libscols_cell *b, | |
1721 | __attribute__((__unused__)) void *data) | |
1722 | { | |
1723 | uint64_t *adata = (uint64_t *) scols_cell_get_userdata(a), | |
1724 | *bdata = (uint64_t *) scols_cell_get_userdata(b); | |
1725 | ||
1726 | if (adata == NULL && bdata == NULL) | |
1727 | return 0; | |
1728 | if (adata == NULL) | |
1729 | return -1; | |
1730 | if (bdata == NULL) | |
1731 | return 1; | |
1732 | return *adata == *bdata ? 0 : *adata >= *bdata ? 1 : -1; | |
1733 | } | |
1734 | ||
dc4662f0 KZ |
1735 | static void device_set_dedupkey( |
1736 | struct lsblk_device *dev, | |
1737 | struct lsblk_device *parent, | |
1738 | int id) | |
1739 | { | |
1740 | struct lsblk_iter itr; | |
1741 | struct lsblk_device *child = NULL; | |
1742 | ||
1743 | dev->dedupkey = device_get_data(dev, parent, id, NULL); | |
1744 | if (dev->dedupkey) | |
1745 | DBG(DEV, ul_debugobj(dev, "%s: de-duplication key: %s", dev->name, dev->dedupkey)); | |
1746 | ||
1747 | if (dev->npartitions == 0) | |
1748 | /* For partitions we often read from parental whole-disk sysfs, | |
1749 | * otherwise we can close */ | |
1750 | ul_path_close_dirfd(dev->sysfs); | |
1751 | ||
1752 | lsblk_reset_iter(&itr, LSBLK_ITER_FORWARD); | |
1753 | ||
1754 | while (lsblk_device_next_child(dev, &itr, &child) == 0) | |
1755 | device_set_dedupkey(child, dev, id); | |
1756 | ||
1757 | /* Let's be careful with number of open files */ | |
1758 | ul_path_close_dirfd(dev->sysfs); | |
1759 | } | |
1760 | ||
1761 | static void devtree_set_dedupkeys(struct lsblk_devtree *tr, int id) | |
1762 | { | |
1763 | struct lsblk_iter itr; | |
1764 | struct lsblk_device *dev = NULL; | |
1765 | ||
1766 | lsblk_reset_iter(&itr, LSBLK_ITER_FORWARD); | |
1767 | ||
1768 | while (lsblk_devtree_next_root(tr, &itr, &dev) == 0) | |
1769 | device_set_dedupkey(dev, NULL, id); | |
1770 | } | |
1771 | ||
86be6a32 | 1772 | static void __attribute__((__noreturn__)) usage(void) |
2a4c734b | 1773 | { |
86be6a32 | 1774 | FILE *out = stdout; |
507d39c2 | 1775 | size_t i; |
2a4c734b | 1776 | |
39b232c1 SK |
1777 | fputs(USAGE_HEADER, out); |
1778 | fprintf(out, _(" %s [options] [<device> ...]\n"), program_invocation_short_name); | |
451dbcfa BS |
1779 | |
1780 | fputs(USAGE_SEPARATOR, out); | |
1781 | fputs(_("List information about block devices.\n"), out); | |
1782 | ||
39b232c1 | 1783 | fputs(USAGE_OPTIONS, out); |
0bd05f5e KZ |
1784 | fputs(_(" -D, --discard print discard capabilities\n"), out); |
1785 | fputs(_(" -E, --dedup <column> de-duplicate output by <column>\n"), out); | |
1786 | fputs(_(" -I, --include <list> show only devices with specified major numbers\n"), out); | |
1787 | fputs(_(" -J, --json use JSON output format\n"), out); | |
1788 | fputs(_(" -O, --output-all output all columns\n"), out); | |
1789 | fputs(_(" -P, --pairs use key=\"value\" output format\n"), out); | |
1790 | fputs(_(" -S, --scsi output info about SCSI devices\n"), out); | |
b9c088f2 | 1791 | fputs(_(" -T, --tree[=<column>] use tree format output\n"), out); |
39b232c1 SK |
1792 | fputs(_(" -a, --all print all devices\n"), out); |
1793 | fputs(_(" -b, --bytes print SIZE in bytes rather than in human readable format\n"), out); | |
1794 | fputs(_(" -d, --nodeps don't print slaves or holders\n"), out); | |
39b232c1 | 1795 | fputs(_(" -e, --exclude <list> exclude devices by major number (default: RAM disks)\n"), out); |
39b232c1 | 1796 | fputs(_(" -f, --fs output info about filesystems\n"), out); |
39b232c1 | 1797 | fputs(_(" -i, --ascii use ascii characters only\n"), out); |
39b232c1 | 1798 | fputs(_(" -l, --list use list format output\n"), out); |
0bd05f5e | 1799 | fputs(_(" -M, --merge group parents of sub-trees (usable for RAIDs, Multi-path)\n"), out); |
3e59c481 | 1800 | fputs(_(" -m, --perms output info about permissions\n"), out); |
39b232c1 SK |
1801 | fputs(_(" -n, --noheadings don't print headings\n"), out); |
1802 | fputs(_(" -o, --output <list> output columns\n"), out); | |
ef75bc88 | 1803 | fputs(_(" -p, --paths print complete device path\n"), out); |
39b232c1 SK |
1804 | fputs(_(" -r, --raw use raw output format\n"), out); |
1805 | fputs(_(" -s, --inverse inverse dependencies\n"), out); | |
3e59c481 | 1806 | fputs(_(" -t, --topology output info about topology\n"), out); |
7636d906 | 1807 | fputs(_(" -w, --width <num> specifies output width as number of characters\n"), out); |
b5af3ee8 | 1808 | fputs(_(" -x, --sort <column> sort output by <column>\n"), out); |
7636d906 | 1809 | fputs(_(" -z, --zoned print zone model\n"), out); |
498d1486 | 1810 | fputs(_(" --sysroot <dir> use specified directory as system root\n"), out); |
39b232c1 | 1811 | fputs(USAGE_SEPARATOR, out); |
f45f3ec3 | 1812 | printf(USAGE_HELP_OPTIONS(22)); |
2a4c734b | 1813 | |
c3a4cfc5 | 1814 | fprintf(out, USAGE_COLUMNS); |
2a4c734b | 1815 | |
03df0d11 | 1816 | for (i = 0; i < ARRAY_SIZE(infos); i++) |
a83bea2d | 1817 | fprintf(out, " %12s %s\n", infos[i].name, _(infos[i].help)); |
2a4c734b | 1818 | |
f45f3ec3 | 1819 | printf(USAGE_MAN_TAIL("lsblk(8)")); |
2a4c734b | 1820 | |
86be6a32 | 1821 | exit(EXIT_SUCCESS); |
2a4c734b MB |
1822 | } |
1823 | ||
f65b3bb6 SK |
1824 | static void check_sysdevblock(void) |
1825 | { | |
1826 | if (access(_PATH_SYS_DEVBLOCK, R_OK) != 0) | |
1827 | err(EXIT_FAILURE, _("failed to access sysfs directory: %s"), | |
1828 | _PATH_SYS_DEVBLOCK); | |
1829 | } | |
1830 | ||
2a4c734b MB |
1831 | int main(int argc, char *argv[]) |
1832 | { | |
dc4662f0 KZ |
1833 | struct lsblk _ls = { |
1834 | .sort_id = -1, | |
1835 | .dedup_id = -1, | |
b9c088f2 KZ |
1836 | .flags = LSBLK_TREE, |
1837 | .tree_id = COL_NAME | |
dc4662f0 | 1838 | }; |
57502dd3 | 1839 | struct lsblk_devtree *tr = NULL; |
40b17508 | 1840 | int c, status = EXIT_FAILURE; |
43bca827 | 1841 | char *outarg = NULL; |
40b17508 | 1842 | size_t i; |
7636d906 | 1843 | unsigned int width = 0; |
b9c088f2 | 1844 | int force_tree = 0, has_tree_col = 0; |
2a4c734b | 1845 | |
ffc27623 KZ |
1846 | enum { |
1847 | OPT_SYSROOT = CHAR_MAX + 1 | |
1848 | }; | |
1849 | ||
6c7d5ae9 | 1850 | static const struct option longopts[] = { |
87918040 SK |
1851 | { "all", no_argument, NULL, 'a' }, |
1852 | { "bytes", no_argument, NULL, 'b' }, | |
1853 | { "nodeps", no_argument, NULL, 'd' }, | |
1854 | { "discard", no_argument, NULL, 'D' }, | |
0bd05f5e | 1855 | { "dedup", required_argument, NULL, 'E' }, |
f2df4365 | 1856 | { "zoned", no_argument, NULL, 'z' }, |
87918040 SK |
1857 | { "help", no_argument, NULL, 'h' }, |
1858 | { "json", no_argument, NULL, 'J' }, | |
1859 | { "output", required_argument, NULL, 'o' }, | |
1860 | { "output-all", no_argument, NULL, 'O' }, | |
0bd05f5e | 1861 | { "merge", no_argument, NULL, 'M' }, |
87918040 SK |
1862 | { "perms", no_argument, NULL, 'm' }, |
1863 | { "noheadings", no_argument, NULL, 'n' }, | |
1864 | { "list", no_argument, NULL, 'l' }, | |
1865 | { "ascii", no_argument, NULL, 'i' }, | |
1866 | { "raw", no_argument, NULL, 'r' }, | |
1867 | { "inverse", no_argument, NULL, 's' }, | |
1868 | { "fs", no_argument, NULL, 'f' }, | |
1869 | { "exclude", required_argument, NULL, 'e' }, | |
1870 | { "include", required_argument, NULL, 'I' }, | |
1871 | { "topology", no_argument, NULL, 't' }, | |
1872 | { "paths", no_argument, NULL, 'p' }, | |
1873 | { "pairs", no_argument, NULL, 'P' }, | |
1874 | { "scsi", no_argument, NULL, 'S' }, | |
1875 | { "sort", required_argument, NULL, 'x' }, | |
ffc27623 | 1876 | { "sysroot", required_argument, NULL, OPT_SYSROOT }, |
b9c088f2 | 1877 | { "tree", optional_argument, NULL, 'T' }, |
87918040 | 1878 | { "version", no_argument, NULL, 'V' }, |
7636d906 | 1879 | { "width", required_argument, NULL, 'w' }, |
87918040 | 1880 | { NULL, 0, NULL, 0 }, |
2a4c734b MB |
1881 | }; |
1882 | ||
a7349ee3 | 1883 | static const ul_excl_t excl[] = { /* rows and cols in ASCII order */ |
1b4d2a4a | 1884 | { 'D','O' }, |
98f2dc7a | 1885 | { 'I','e' }, |
4a102a48 | 1886 | { 'J', 'P', 'r' }, |
1b4d2a4a MY |
1887 | { 'O','S' }, |
1888 | { 'O','f' }, | |
1889 | { 'O','m' }, | |
a44cd891 | 1890 | { 'O','o' }, |
1b4d2a4a | 1891 | { 'O','t' }, |
1d9e35cc | 1892 | { 'P','T', 'l','r' }, |
98f2dc7a KZ |
1893 | { 0 } |
1894 | }; | |
1895 | int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT; | |
1896 | ||
2a4c734b MB |
1897 | setlocale(LC_ALL, ""); |
1898 | bindtextdomain(PACKAGE, LOCALEDIR); | |
1899 | textdomain(PACKAGE); | |
2c308875 | 1900 | close_stdout_atexit(); |
2a4c734b MB |
1901 | |
1902 | lsblk = &_ls; | |
2a4c734b | 1903 | |
7e786eca KZ |
1904 | lsblk_init_debug(); |
1905 | ||
98f2dc7a | 1906 | while((c = getopt_long(argc, argv, |
7636d906 | 1907 | "abdDzE:e:fhJlnMmo:OpPiI:rstVST::w:x:", longopts, NULL)) != -1) { |
98f2dc7a KZ |
1908 | |
1909 | err_exclusive_options(c, longopts, excl, excl_st); | |
1910 | ||
2a4c734b MB |
1911 | switch(c) { |
1912 | case 'a': | |
1913 | lsblk->all_devices = 1; | |
1914 | break; | |
1915 | case 'b': | |
1916 | lsblk->bytes = 1; | |
1917 | break; | |
f31505fe KZ |
1918 | case 'd': |
1919 | lsblk->nodeps = 1; | |
1920 | break; | |
2d232246 | 1921 | case 'D': |
be685b98 KZ |
1922 | add_uniq_column(COL_NAME); |
1923 | add_uniq_column(COL_DALIGN); | |
1924 | add_uniq_column(COL_DGRAN); | |
1925 | add_uniq_column(COL_DMAX); | |
1926 | add_uniq_column(COL_DZERO); | |
2d232246 | 1927 | break; |
f2df4365 | 1928 | case 'z': |
be685b98 KZ |
1929 | add_uniq_column(COL_NAME); |
1930 | add_uniq_column(COL_ZONED); | |
f2df4365 | 1931 | break; |
2a4c734b MB |
1932 | case 'e': |
1933 | parse_excludes(optarg); | |
1934 | break; | |
4a102a48 | 1935 | case 'J': |
341c4ae2 | 1936 | lsblk->flags |= LSBLK_JSON; |
4a102a48 | 1937 | break; |
2a4c734b | 1938 | case 'l': |
341c4ae2 | 1939 | lsblk->flags &= ~LSBLK_TREE; /* disable the default */ |
2a4c734b | 1940 | break; |
0bd05f5e KZ |
1941 | case 'M': |
1942 | lsblk->merge = 1; | |
1943 | break; | |
2a4c734b | 1944 | case 'n': |
341c4ae2 | 1945 | lsblk->flags |= LSBLK_NOHEADINGS; |
2a4c734b MB |
1946 | break; |
1947 | case 'o': | |
43bca827 | 1948 | outarg = optarg; |
2a4c734b | 1949 | break; |
1b4d2a4a | 1950 | case 'O': |
40b17508 | 1951 | for (ncolumns = 0 ; ncolumns < ARRAY_SIZE(infos); ncolumns++) |
1b4d2a4a MY |
1952 | columns[ncolumns] = ncolumns; |
1953 | break; | |
c7e76cd1 KZ |
1954 | case 'p': |
1955 | lsblk->paths = 1; | |
1956 | break; | |
6ea1bdd3 | 1957 | case 'P': |
341c4ae2 KZ |
1958 | lsblk->flags |= LSBLK_EXPORT; |
1959 | lsblk->flags &= ~LSBLK_TREE; /* disable the default */ | |
6ea1bdd3 | 1960 | break; |
2a4c734b | 1961 | case 'i': |
341c4ae2 | 1962 | lsblk->flags |= LSBLK_ASCII; |
2a4c734b | 1963 | break; |
2ef4e8ba | 1964 | case 'I': |
2ef4e8ba KZ |
1965 | parse_includes(optarg); |
1966 | break; | |
2a4c734b | 1967 | case 'r': |
341c4ae2 KZ |
1968 | lsblk->flags &= ~LSBLK_TREE; /* disable the default */ |
1969 | lsblk->flags |= LSBLK_RAW; /* enable raw */ | |
2a4c734b | 1970 | break; |
09a71aa1 PR |
1971 | case 's': |
1972 | lsblk->inverse = 1; | |
1973 | break; | |
2a4c734b | 1974 | case 'f': |
be685b98 KZ |
1975 | add_uniq_column(COL_NAME); |
1976 | add_uniq_column(COL_FSTYPE); | |
4631edae | 1977 | add_uniq_column(COL_FSVERSION); |
be685b98 KZ |
1978 | add_uniq_column(COL_LABEL); |
1979 | add_uniq_column(COL_UUID); | |
bc405d64 KZ |
1980 | add_uniq_column(COL_FSAVAIL); |
1981 | add_uniq_column(COL_FSUSEPERC); | |
be685b98 | 1982 | add_uniq_column(COL_TARGET); |
2a4c734b MB |
1983 | break; |
1984 | case 'm': | |
be685b98 KZ |
1985 | add_uniq_column(COL_NAME); |
1986 | add_uniq_column(COL_SIZE); | |
1987 | add_uniq_column(COL_OWNER); | |
1988 | add_uniq_column(COL_GROUP); | |
1989 | add_uniq_column(COL_MODE); | |
2a4c734b MB |
1990 | break; |
1991 | case 't': | |
be685b98 KZ |
1992 | add_uniq_column(COL_NAME); |
1993 | add_uniq_column(COL_ALIOFF); | |
1994 | add_uniq_column(COL_MINIO); | |
1995 | add_uniq_column(COL_OPTIO); | |
1996 | add_uniq_column(COL_PHYSEC); | |
1997 | add_uniq_column(COL_LOGSEC); | |
1998 | add_uniq_column(COL_ROTA); | |
1999 | add_uniq_column(COL_SCHED); | |
2000 | add_uniq_column(COL_RQ_SIZE); | |
2001 | add_uniq_column(COL_RA); | |
2002 | add_uniq_column(COL_WSAME); | |
2a4c734b | 2003 | break; |
28ffc2b7 MB |
2004 | case 'S': |
2005 | lsblk->nodeps = 1; | |
2006 | lsblk->scsi = 1; | |
be685b98 KZ |
2007 | add_uniq_column(COL_NAME); |
2008 | add_uniq_column(COL_HCTL); | |
2009 | add_uniq_column(COL_TYPE); | |
2010 | add_uniq_column(COL_VENDOR); | |
2011 | add_uniq_column(COL_MODEL); | |
2012 | add_uniq_column(COL_REV); | |
e19e522d | 2013 | add_uniq_column(COL_SERIAL); |
be685b98 | 2014 | add_uniq_column(COL_TRANSPORT); |
28ffc2b7 | 2015 | break; |
1d9e35cc KZ |
2016 | case 'T': |
2017 | force_tree = 1; | |
6932a110 KZ |
2018 | if (optarg) { |
2019 | if (*optarg == '=') | |
2020 | optarg++; | |
b9c088f2 | 2021 | lsblk->tree_id = column_name_to_id(optarg, strlen(optarg)); |
6932a110 | 2022 | } |
1d9e35cc | 2023 | break; |
ffc27623 KZ |
2024 | case OPT_SYSROOT: |
2025 | lsblk->sysroot = optarg; | |
2026 | break; | |
0bd05f5e | 2027 | case 'E': |
dc4662f0 KZ |
2028 | lsblk->dedup_id = column_name_to_id(optarg, strlen(optarg)); |
2029 | if (lsblk->dedup_id >= 0) | |
2030 | break; | |
2031 | errtryhelp(EXIT_FAILURE); | |
2032 | break; | |
7636d906 KZ |
2033 | case 'w': |
2034 | width = strtou32_or_err(optarg, _("invalid output width number argument")); | |
2035 | break; | |
642048e4 | 2036 | case 'x': |
341c4ae2 | 2037 | lsblk->flags &= ~LSBLK_TREE; /* disable the default */ |
642048e4 KZ |
2038 | lsblk->sort_id = column_name_to_id(optarg, strlen(optarg)); |
2039 | if (lsblk->sort_id >= 0) | |
2040 | break; | |
2c308875 KZ |
2041 | errtryhelp(EXIT_FAILURE); |
2042 | break; | |
2043 | ||
2044 | case 'h': | |
2045 | usage(); | |
2046 | case 'V': | |
2047 | print_version(EXIT_SUCCESS); | |
2a4c734b | 2048 | default: |
193b3239 | 2049 | errtryhelp(EXIT_FAILURE); |
2a4c734b MB |
2050 | } |
2051 | } | |
2052 | ||
1d9e35cc KZ |
2053 | if (force_tree) |
2054 | lsblk->flags |= LSBLK_TREE; | |
2055 | ||
f65b3bb6 SK |
2056 | check_sysdevblock(); |
2057 | ||
2a4c734b | 2058 | if (!ncolumns) { |
be685b98 KZ |
2059 | add_column(COL_NAME); |
2060 | add_column(COL_MAJMIN); | |
2061 | add_column(COL_RM); | |
2062 | add_column(COL_SIZE); | |
2063 | add_column(COL_RO); | |
2064 | add_column(COL_TYPE); | |
2065 | add_column(COL_TARGET); | |
2a4c734b MB |
2066 | } |
2067 | ||
43bca827 MB |
2068 | if (outarg && string_add_to_idarray(outarg, columns, ARRAY_SIZE(columns), |
2069 | &ncolumns, column_name_to_id) < 0) | |
2070 | return EXIT_FAILURE; | |
2071 | ||
b9dd5721 | 2072 | if (lsblk->all_devices == 0 && nexcludes == 0 && nincludes == 0) |
2a4c734b | 2073 | excludes[nexcludes++] = 1; /* default: ignore RAM disks */ |
9554f7ab | 2074 | |
5e2305ca KZ |
2075 | if (lsblk->sort_id < 0) |
2076 | /* Since Linux 4.8 we have sort devices by default, because | |
2077 | * /sys is no more sorted */ | |
2078 | lsblk->sort_id = COL_MAJMIN; | |
2079 | ||
91b636b5 KZ |
2080 | /* For --{inverse,raw,pairs} --list we still follow parent->child relation */ |
2081 | if (!(lsblk->flags & LSBLK_TREE) | |
2082 | && (lsblk->inverse || lsblk->flags & LSBLK_EXPORT || lsblk->flags & LSBLK_RAW)) | |
091683a8 KZ |
2083 | lsblk->force_tree_order = 1; |
2084 | ||
a6dc8dcd KZ |
2085 | if (lsblk->sort_id >= 0 && column_id_to_number(lsblk->sort_id) < 0) { |
2086 | /* the sort column is not between output columns -- add as hidden */ | |
be685b98 | 2087 | add_column(lsblk->sort_id); |
a6dc8dcd KZ |
2088 | lsblk->sort_hidden = 1; |
2089 | } | |
642048e4 | 2090 | |
dc4662f0 KZ |
2091 | if (lsblk->dedup_id >= 0 && column_id_to_number(lsblk->dedup_id) < 0) { |
2092 | /* the deduplication column is not between output columns -- add as hidden */ | |
2093 | add_column(lsblk->dedup_id); | |
2094 | lsblk->dedup_hidden = 1; | |
2095 | } | |
2096 | ||
e0c016f1 | 2097 | lsblk_mnt_init(); |
710ed55d | 2098 | scols_init_debug(0); |
5a89aa99 | 2099 | ul_path_init_debug(); |
9554f7ab | 2100 | |
2a4c734b MB |
2101 | /* |
2102 | * initialize output columns | |
2103 | */ | |
0925a9dd | 2104 | if (!(lsblk->table = scols_new_table())) |
780ce22c | 2105 | errx(EXIT_FAILURE, _("failed to allocate output table")); |
341c4ae2 KZ |
2106 | scols_table_enable_raw(lsblk->table, !!(lsblk->flags & LSBLK_RAW)); |
2107 | scols_table_enable_export(lsblk->table, !!(lsblk->flags & LSBLK_EXPORT)); | |
2108 | scols_table_enable_ascii(lsblk->table, !!(lsblk->flags & LSBLK_ASCII)); | |
2109 | scols_table_enable_json(lsblk->table, !!(lsblk->flags & LSBLK_JSON)); | |
2110 | scols_table_enable_noheadings(lsblk->table, !!(lsblk->flags & LSBLK_NOHEADINGS)); | |
2a4c734b | 2111 | |
341c4ae2 | 2112 | if (lsblk->flags & LSBLK_JSON) |
4a102a48 | 2113 | scols_table_set_name(lsblk->table, "blockdevices"); |
7636d906 KZ |
2114 | if (width) { |
2115 | scols_table_set_termwidth(lsblk->table, width); | |
2116 | scols_table_set_termforce(lsblk->table, SCOLS_TERMFORCE_ALWAYS); | |
2117 | } | |
4a102a48 | 2118 | |
2a4c734b MB |
2119 | for (i = 0; i < ncolumns; i++) { |
2120 | struct colinfo *ci = get_column_info(i); | |
642048e4 KZ |
2121 | struct libscols_column *cl; |
2122 | int id = get_column_id(i), fl = ci->flags; | |
2a4c734b | 2123 | |
b9c088f2 KZ |
2124 | if ((lsblk->flags & LSBLK_TREE) |
2125 | && has_tree_col == 0 | |
2126 | && id == lsblk->tree_id) { | |
2127 | fl |= SCOLS_FL_TREE; | |
2128 | fl &= ~SCOLS_FL_RIGHT; | |
2129 | has_tree_col = 1; | |
2130 | } | |
2131 | ||
a6dc8dcd KZ |
2132 | if (lsblk->sort_hidden && lsblk->sort_id == id) |
2133 | fl |= SCOLS_FL_HIDDEN; | |
dc4662f0 KZ |
2134 | if (lsblk->dedup_hidden && lsblk->dedup_id == id) |
2135 | fl |= SCOLS_FL_HIDDEN; | |
2a4c734b | 2136 | |
fb376180 KZ |
2137 | if (force_tree |
2138 | && lsblk->flags & LSBLK_JSON | |
2139 | && has_tree_col == 0 | |
2140 | && i + 1 == ncolumns) | |
2141 | /* The "--tree --json" specified, but no column with | |
2142 | * SCOLS_FL_TREE yet; force it for the last column | |
2143 | */ | |
2144 | fl |= SCOLS_FL_TREE; | |
2145 | ||
642048e4 KZ |
2146 | cl = scols_table_new_column(lsblk->table, ci->name, ci->whint, fl); |
2147 | if (!cl) { | |
780ce22c | 2148 | warn(_("failed to allocate output column")); |
2a4c734b MB |
2149 | goto leave; |
2150 | } | |
642048e4 KZ |
2151 | if (!lsblk->sort_col && lsblk->sort_id == id) { |
2152 | lsblk->sort_col = cl; | |
2153 | scols_column_set_cmpfunc(cl, | |
407e0ea6 KZ |
2154 | ci->type == COLTYPE_NUM ? cmp_u64_cells : |
2155 | ci->type == COLTYPE_SIZE ? cmp_u64_cells : | |
2156 | ci->type == COLTYPE_SORTNUM ? cmp_u64_cells : scols_cmpstr_cells, | |
2157 | NULL); | |
2158 | } | |
2159 | if (lsblk->flags & LSBLK_JSON) { | |
2160 | switch (ci->type) { | |
2161 | case COLTYPE_SIZE: | |
2162 | if (!lsblk->bytes) | |
2163 | break; | |
2164 | /* fallthrough */ | |
2165 | case COLTYPE_NUM: | |
2166 | scols_column_set_json_type(cl, SCOLS_JSON_NUMBER); | |
2167 | break; | |
2168 | case COLTYPE_BOOL: | |
2169 | scols_column_set_json_type(cl, SCOLS_JSON_BOOLEAN); | |
2170 | break; | |
2171 | default: | |
2172 | scols_column_set_json_type(cl, SCOLS_JSON_STRING); | |
2173 | break; | |
2174 | } | |
642048e4 | 2175 | } |
2a4c734b MB |
2176 | } |
2177 | ||
f43b8297 KZ |
2178 | tr = lsblk_new_devtree(); |
2179 | if (!tr) | |
2180 | err(EXIT_FAILURE, _("failed to allocate device tree")); | |
2181 | ||
e7b5353e KZ |
2182 | if (optind == argc) { |
2183 | int rc = lsblk->inverse ? | |
2184 | process_all_devices_inverse(tr) : | |
2185 | process_all_devices(tr); | |
2186 | ||
2187 | status = rc == 0 ? EXIT_SUCCESS : EXIT_FAILURE; | |
2188 | } else { | |
1539750f KZ |
2189 | int cnt = 0, cnt_err = 0; |
2190 | ||
2191 | while (optind < argc) { | |
291606fa | 2192 | if (process_one_device(tr, argv[optind++]) != 0) |
1539750f KZ |
2193 | cnt_err++; |
2194 | cnt++; | |
2195 | } | |
2196 | status = cnt == 0 ? EXIT_FAILURE : /* nothing */ | |
2197 | cnt == cnt_err ? LSBLK_EXIT_ALLFAILED :/* all failed */ | |
2198 | cnt_err ? LSBLK_EXIT_SOMEOK : /* some ok */ | |
2199 | EXIT_SUCCESS; /* all success */ | |
2200 | } | |
2a4c734b | 2201 | |
dc4662f0 KZ |
2202 | if (lsblk->dedup_id > -1) { |
2203 | devtree_set_dedupkeys(tr, lsblk->dedup_id); | |
2204 | lsblk_devtree_deduplicate_devices(tr); | |
2205 | } | |
2206 | ||
f43b8297 KZ |
2207 | devtree_to_scols(tr, lsblk->table); |
2208 | ||
642048e4 KZ |
2209 | if (lsblk->sort_col) |
2210 | scols_sort_table(lsblk->table, lsblk->sort_col); | |
091683a8 KZ |
2211 | if (lsblk->force_tree_order) |
2212 | scols_sort_table_by_tree(lsblk->table); | |
642048e4 | 2213 | |
9bd4e5c0 | 2214 | scols_print_table(lsblk->table); |
2a4c734b MB |
2215 | |
2216 | leave: | |
642048e4 KZ |
2217 | if (lsblk->sort_col) |
2218 | unref_sortdata(lsblk->table); | |
2219 | ||
9bd4e5c0 | 2220 | scols_unref_table(lsblk->table); |
50fccba1 | 2221 | |
e0c016f1 | 2222 | lsblk_mnt_deinit(); |
ccafadb7 | 2223 | lsblk_properties_deinit(); |
57502dd3 | 2224 | lsblk_unref_devtree(tr); |
ccafadb7 | 2225 | |
2a4c734b MB |
2226 | return status; |
2227 | } |