2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU General Public
4 * License v2 as published by the Free Software Foundation.
6 * This program is distributed in the hope that it will be useful,
7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
9 * General Public License for more details.
11 * You should have received a copy of the GNU General Public
12 * License along with this program; if not, write to the
13 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
14 * Boston, MA 021110-1307, USA.
21 #include <sys/ioctl.h>
27 #include "kerncompat.h"
29 #include "string-table.h"
30 #include "cmds-fi-usage.h"
36 * Add the chunk info to the chunk_info list
38 static int add_info_to_list(struct chunk_info **info_ptr,
40 struct btrfs_chunk *chunk)
43 u64 type = btrfs_stack_chunk_type(chunk);
44 u64 size = btrfs_stack_chunk_length(chunk);
45 int num_stripes = btrfs_stack_chunk_num_stripes(chunk);
48 for (j = 0 ; j < num_stripes ; j++) {
50 struct chunk_info *p = NULL;
51 struct btrfs_stripe *stripe;
54 stripe = btrfs_stripe_nr(chunk, j);
55 devid = btrfs_stack_stripe_devid(stripe);
57 for (i = 0 ; i < *info_count ; i++)
58 if ((*info_ptr)[i].type == type &&
59 (*info_ptr)[i].devid == devid &&
60 (*info_ptr)[i].num_stripes == num_stripes ) {
66 int size = sizeof(struct btrfs_chunk) * (*info_count+1);
67 struct chunk_info *res = realloc(*info_ptr, size);
71 error("not enough memory");
76 p = res + *info_count;
82 p->num_stripes = num_stripes;
94 * Helper to sort the chunk type
96 static int cmp_chunk_block_group(u64 f1, u64 f2)
101 if ((f1 & BTRFS_BLOCK_GROUP_TYPE_MASK) ==
102 (f2 & BTRFS_BLOCK_GROUP_TYPE_MASK))
103 mask = BTRFS_BLOCK_GROUP_PROFILE_MASK;
104 else if (f2 & BTRFS_BLOCK_GROUP_SYSTEM)
106 else if (f1 & BTRFS_BLOCK_GROUP_SYSTEM)
109 mask = BTRFS_BLOCK_GROUP_TYPE_MASK;
111 if ((f1 & mask) > (f2 & mask))
113 else if ((f1 & mask) < (f2 & mask))
120 * Helper to sort the chunk
122 static int cmp_chunk_info(const void *a, const void *b)
124 return cmp_chunk_block_group(
125 ((struct chunk_info *)a)->type,
126 ((struct chunk_info *)b)->type);
129 static int load_chunk_info(int fd, struct chunk_info **info_ptr, int *info_count)
132 struct btrfs_ioctl_search_args args;
133 struct btrfs_ioctl_search_key *sk = &args.key;
134 struct btrfs_ioctl_search_header *sh;
135 unsigned long off = 0;
138 memset(&args, 0, sizeof(args));
141 * there may be more than one ROOT_ITEM key if there are
142 * snapshots pending deletion, we have to loop through
145 sk->tree_id = BTRFS_CHUNK_TREE_OBJECTID;
147 sk->min_objectid = 0;
148 sk->max_objectid = (u64)-1;
150 sk->min_type = (u8)-1;
152 sk->max_offset = (u64)-1;
154 sk->max_transid = (u64)-1;
158 ret = ioctl(fd, BTRFS_IOC_TREE_SEARCH, &args);
164 error("cannot look up chunk tree info: %s",
168 /* the ioctl returns the number of item it found in nr_items */
170 if (sk->nr_items == 0)
174 for (i = 0; i < sk->nr_items; i++) {
175 struct btrfs_chunk *item;
176 sh = (struct btrfs_ioctl_search_header *)(args.buf +
180 item = (struct btrfs_chunk *)(args.buf + off);
182 ret = add_info_to_list(info_ptr, info_count, item);
190 sk->min_objectid = sh->objectid;
191 sk->min_type = sh->type;
192 sk->min_offset = sh->offset+1;
195 if (!sk->min_offset) /* overflow */
205 if (!sk->min_objectid)
209 qsort(*info_ptr, *info_count, sizeof(struct chunk_info),
216 * Helper to sort the struct btrfs_ioctl_space_info
218 static int cmp_btrfs_ioctl_space_info(const void *a, const void *b)
220 return cmp_chunk_block_group(
221 ((struct btrfs_ioctl_space_info *)a)->flags,
222 ((struct btrfs_ioctl_space_info *)b)->flags);
226 * This function load all the information about the space usage
228 static struct btrfs_ioctl_space_args *load_space_info(int fd, char *path)
230 struct btrfs_ioctl_space_args *sargs = NULL, *sargs_orig = NULL;
233 sargs_orig = sargs = calloc(1, sizeof(struct btrfs_ioctl_space_args));
235 error("not enough memory");
239 sargs->space_slots = 0;
240 sargs->total_spaces = 0;
242 ret = ioctl(fd, BTRFS_IOC_SPACE_INFO, sargs);
244 error("cannot get space info on '%s': %s", path,
249 if (!sargs->total_spaces) {
251 printf("No chunks found\n");
255 count = sargs->total_spaces;
257 sargs = realloc(sargs, sizeof(struct btrfs_ioctl_space_args) +
258 (count * sizeof(struct btrfs_ioctl_space_info)));
261 error("not enough memory");
265 sargs->space_slots = count;
266 sargs->total_spaces = 0;
268 ret = ioctl(fd, BTRFS_IOC_SPACE_INFO, sargs);
270 error("cannot get space info with %u slots: %s",
271 count, strerror(errno));
276 qsort(&(sargs->spaces), count, sizeof(struct btrfs_ioctl_space_info),
277 cmp_btrfs_ioctl_space_info);
283 * This function computes the space occuped by a *single* RAID5/RAID6 chunk.
284 * The computation is performed on the basis of the number of stripes
285 * which compose the chunk, which could be different from the number of devices
286 * if a disk is added later.
288 static void get_raid56_used(int fd, struct chunk_info *chunks, int chunkcount,
289 u64 *raid5_used, u64 *raid6_used)
291 struct chunk_info *info_ptr = chunks;
295 while (chunkcount-- > 0) {
296 if (info_ptr->type & BTRFS_BLOCK_GROUP_RAID5)
297 (*raid5_used) += info_ptr->size / (info_ptr->num_stripes - 1);
298 if (info_ptr->type & BTRFS_BLOCK_GROUP_RAID6)
299 (*raid6_used) += info_ptr->size / (info_ptr->num_stripes - 2);
304 #define MIN_UNALOCATED_THRESH (16 * 1024 * 1024)
305 static int print_filesystem_usage_overall(int fd, struct chunk_info *chunkinfo,
306 int chunkcount, struct device_info *devinfo, int devcount,
307 char *path, unsigned unit_mode)
309 struct btrfs_ioctl_space_args *sargs = NULL;
312 int width = 10; /* default 10 for human units */
314 * r_* prefix is for raw data
317 u64 r_total_size = 0; /* filesystem size, sum of device sizes */
318 u64 r_total_chunks = 0; /* sum of chunks sizes on disk(s) */
319 u64 r_total_used = 0;
320 u64 r_total_unused = 0;
321 u64 r_total_missing = 0; /* sum of missing devices size */
323 u64 r_data_chunks = 0;
324 u64 l_data_chunks = 0;
325 u64 r_metadata_used = 0;
326 u64 r_metadata_chunks = 0;
327 u64 l_metadata_chunks = 0;
328 u64 r_system_used = 0;
329 u64 r_system_chunks = 0;
331 double metadata_ratio;
335 u64 l_global_reserve = 0;
336 u64 l_global_reserve_used = 0;
337 u64 free_estimated = 0;
339 int max_data_ratio = 1;
341 sargs = load_space_info(fd, path);
348 for (i = 0; i < devcount; i++) {
349 r_total_size += devinfo[i].size;
350 if (!devinfo[i].device_size)
351 r_total_missing += devinfo[i].size;
354 if (r_total_size == 0) {
355 error("cannot get space info on '%s': %s",
356 path, strerror(errno));
361 get_raid56_used(fd, chunkinfo, chunkcount, &raid5_used, &raid6_used);
363 for (i = 0; i < sargs->total_spaces; i++) {
365 u64 flags = sargs->spaces[i].flags;
368 * The raid5/raid6 ratio depends by the stripes number
369 * used by every chunk. It is computed separately
371 if (flags & BTRFS_BLOCK_GROUP_RAID0)
373 else if (flags & BTRFS_BLOCK_GROUP_RAID1)
375 else if (flags & BTRFS_BLOCK_GROUP_RAID5)
377 else if (flags & BTRFS_BLOCK_GROUP_RAID6)
379 else if (flags & BTRFS_BLOCK_GROUP_DUP)
381 else if (flags & BTRFS_BLOCK_GROUP_RAID10)
387 warning("RAID56 detected, not implemented");
389 if (ratio > max_data_ratio)
390 max_data_ratio = ratio;
392 if (flags & BTRFS_SPACE_INFO_GLOBAL_RSV) {
393 l_global_reserve = sargs->spaces[i].total_bytes;
394 l_global_reserve_used = sargs->spaces[i].used_bytes;
396 if ((flags & (BTRFS_BLOCK_GROUP_DATA | BTRFS_BLOCK_GROUP_METADATA))
397 == (BTRFS_BLOCK_GROUP_DATA | BTRFS_BLOCK_GROUP_METADATA)) {
398 warning("MIXED blockgroups not handled");
401 if (flags & BTRFS_BLOCK_GROUP_DATA) {
402 r_data_used += sargs->spaces[i].used_bytes * ratio;
403 r_data_chunks += sargs->spaces[i].total_bytes * ratio;
404 l_data_chunks += sargs->spaces[i].total_bytes;
406 if (flags & BTRFS_BLOCK_GROUP_METADATA) {
407 r_metadata_used += sargs->spaces[i].used_bytes * ratio;
408 r_metadata_chunks += sargs->spaces[i].total_bytes * ratio;
409 l_metadata_chunks += sargs->spaces[i].total_bytes;
411 if (flags & BTRFS_BLOCK_GROUP_SYSTEM) {
412 r_system_used += sargs->spaces[i].used_bytes * ratio;
413 r_system_chunks += sargs->spaces[i].total_bytes * ratio;
417 r_total_chunks = r_data_chunks + r_metadata_chunks + r_system_chunks;
418 r_total_used = r_data_used + r_metadata_used + r_system_used;
419 r_total_unused = r_total_size - r_total_chunks;
421 /* Raw / Logical = raid factor, >= 1 */
422 data_ratio = (double)r_data_chunks / l_data_chunks;
423 metadata_ratio = (double)r_metadata_chunks / l_metadata_chunks;
426 /* add the raid5/6 allocated space */
427 total_chunks += raid5_used + raid6_used;
431 * We're able to fill at least DATA for the unused space
433 * With mixed raid levels, this gives a rough estimate but more
434 * accurate than just counting the logical free space
435 * (l_data_chunks - l_data_used)
437 * In non-mixed case there's no difference.
439 free_estimated = (r_data_chunks - r_data_used) / data_ratio;
440 free_min = free_estimated;
442 /* Chop unallocatable space */
443 /* FIXME: must be applied per device */
444 if (r_total_unused >= MIN_UNALOCATED_THRESH) {
445 free_estimated += r_total_unused / data_ratio;
446 /* Match the calculation of 'df', use the highest raid ratio */
447 free_min += r_total_unused / max_data_ratio;
450 if (unit_mode != UNITS_HUMAN)
453 printf("Overall:\n");
455 printf(" Device size:\t\t%*s\n", width,
456 pretty_size_mode(r_total_size, unit_mode));
457 printf(" Device allocated:\t\t%*s\n", width,
458 pretty_size_mode(r_total_chunks, unit_mode));
459 printf(" Device unallocated:\t\t%*s\n", width,
460 pretty_size_mode(r_total_unused, unit_mode));
461 printf(" Device missing:\t\t%*s\n", width,
462 pretty_size_mode(r_total_missing, unit_mode));
463 printf(" Used:\t\t\t%*s\n", width,
464 pretty_size_mode(r_total_used, unit_mode));
465 printf(" Free (estimated):\t\t%*s\t(",
467 pretty_size_mode(free_estimated, unit_mode));
468 printf("min: %s)\n", pretty_size_mode(free_min, unit_mode));
469 printf(" Data ratio:\t\t\t%*.2f\n",
471 printf(" Metadata ratio:\t\t%*.2f\n",
472 width, metadata_ratio);
473 printf(" Global reserve:\t\t%*s\t(used: %s)\n", width,
474 pretty_size_mode(l_global_reserve, unit_mode),
475 pretty_size_mode(l_global_reserve_used, unit_mode));
486 * Helper to sort the device_info structure
488 static int cmp_device_info(const void *a, const void *b)
490 return strcmp(((struct device_info *)a)->path,
491 ((struct device_info *)b)->path);
495 * This function loads the device_info structure and put them in an array
497 static int load_device_info(int fd, struct device_info **device_info_ptr,
498 int *device_info_count)
501 struct btrfs_ioctl_fs_info_args fi_args;
502 struct btrfs_ioctl_dev_info_args dev_info;
503 struct device_info *info;
505 *device_info_count = 0;
506 *device_info_ptr = NULL;
508 ret = ioctl(fd, BTRFS_IOC_FS_INFO, &fi_args);
512 error("cannot get filesystem info: %s",
517 info = calloc(fi_args.num_devices, sizeof(struct device_info));
519 error("not enough memory");
523 for (i = 0, ndevs = 0 ; i <= fi_args.max_id ; i++) {
524 BUG_ON(ndevs >= fi_args.num_devices);
525 memset(&dev_info, 0, sizeof(dev_info));
526 ret = get_device_info(fd, i, &dev_info);
531 error("cannot get info about device devid=%d", i);
536 info[ndevs].devid = dev_info.devid;
537 if (!dev_info.path[0]) {
538 strcpy(info[ndevs].path, "missing");
540 strcpy(info[ndevs].path, (char *)dev_info.path);
541 info[ndevs].device_size =
542 get_partition_size((char *)dev_info.path);
544 info[ndevs].size = dev_info.total_bytes;
548 BUG_ON(ndevs != fi_args.num_devices);
549 qsort(info, fi_args.num_devices,
550 sizeof(struct device_info), cmp_device_info);
552 *device_info_count = fi_args.num_devices;
553 *device_info_ptr = info;
558 int load_chunk_and_device_info(int fd, struct chunk_info **chunkinfo,
559 int *chunkcount, struct device_info **devinfo, int *devcount)
563 ret = load_chunk_info(fd, chunkinfo, chunkcount);
566 "cannot read detailed chunk info, RAID5/6 numbers will be incorrect, run as root");
571 ret = load_device_info(fd, devinfo, devcount);
574 "cannot get filesystem info from ioctl(FS_INFO), run as root");
582 * This function computes the size of a chunk in a disk
584 static u64 calc_chunk_size(struct chunk_info *ci)
586 if (ci->type & BTRFS_BLOCK_GROUP_RAID0)
587 return ci->size / ci->num_stripes;
588 else if (ci->type & BTRFS_BLOCK_GROUP_RAID1)
590 else if (ci->type & BTRFS_BLOCK_GROUP_DUP)
592 else if (ci->type & BTRFS_BLOCK_GROUP_RAID5)
593 return ci->size / (ci->num_stripes -1);
594 else if (ci->type & BTRFS_BLOCK_GROUP_RAID6)
595 return ci->size / (ci->num_stripes -2);
596 else if (ci->type & BTRFS_BLOCK_GROUP_RAID10)
597 return ci->size / ci->num_stripes;
602 * This function print the results of the command "btrfs fi usage"
605 static void _cmd_filesystem_usage_tabular(unsigned unit_mode,
606 struct btrfs_ioctl_space_args *sargs,
607 struct chunk_info *chunks_info_ptr,
608 int chunks_info_count,
609 struct device_info *device_info_ptr,
610 int device_info_count)
613 u64 total_unused = 0;
614 struct string_table *matrix = NULL;
619 const int vhdr_skip = 3; /* amount of vertical header space */
621 /* id, path, unallocated */
624 /* Properly count the real space infos */
625 for (i = 0; i < sargs->total_spaces; i++) {
626 if (sargs->spaces[i].flags & BTRFS_SPACE_INFO_GLOBAL_RSV)
631 /* 2 for header, empty line, devices, ===, total, used */
632 nrows = vhdr_skip + device_info_count + 1 + 2;
634 matrix = table_create(ncols, nrows);
636 error("not enough memory");
641 * We have to skip the global block reserve everywhere as it's an
642 * artificial blockgroup
646 for (i = 0, col = spaceinfos_col; i < sargs->total_spaces; i++) {
647 u64 flags = sargs->spaces[i].flags;
649 if (flags & BTRFS_SPACE_INFO_GLOBAL_RSV)
652 table_printf(matrix, col, 0, "<%s",
653 btrfs_group_type_str(flags));
654 table_printf(matrix, col, 1, "<%s",
655 btrfs_group_profile_str(flags));
658 unallocated_col = col;
660 table_printf(matrix, 0, 1, "<Id");
661 table_printf(matrix, 1, 1, "<Path");
662 table_printf(matrix, unallocated_col, 1, "<Unallocated");
665 for (i = 0; i < device_info_count; i++) {
669 u64 total_allocated = 0, unused;
671 p = strrchr(device_info_ptr[i].path, '/');
673 p = device_info_ptr[i].path;
677 table_printf(matrix, 0, vhdr_skip + i, ">%llu",
678 device_info_ptr[i].devid);
679 table_printf(matrix, 1, vhdr_skip + i, "<%s",
680 device_info_ptr[i].path);
682 for (col = spaceinfos_col, k = 0; k < sargs->total_spaces; k++) {
683 u64 flags = sargs->spaces[k].flags;
684 u64 devid = device_info_ptr[i].devid;
688 if (flags & BTRFS_SPACE_INFO_GLOBAL_RSV)
691 for (j = 0 ; j < chunks_info_count ; j++) {
692 if (chunks_info_ptr[j].type != flags )
694 if (chunks_info_ptr[j].devid != devid)
697 size += calc_chunk_size(chunks_info_ptr+j);
701 table_printf(matrix, col, vhdr_skip+ i,
702 ">%s", pretty_size_mode(size, unit_mode));
704 table_printf(matrix, col, vhdr_skip + i, ">-");
706 total_allocated += size;
710 unused = get_partition_size(device_info_ptr[i].path)
713 table_printf(matrix, unallocated_col, vhdr_skip + i,
714 ">%s", pretty_size_mode(unused, unit_mode));
715 total_unused += unused;
719 for (i = 0; i < spaceinfos_col; i++) {
720 table_printf(matrix, i, vhdr_skip - 1, "*-");
721 table_printf(matrix, i, vhdr_skip + device_info_count, "*-");
724 for (i = 0, col = spaceinfos_col; i < sargs->total_spaces; i++) {
725 if (sargs->spaces[i].flags & BTRFS_SPACE_INFO_GLOBAL_RSV)
728 table_printf(matrix, col, vhdr_skip - 1, "*-");
729 table_printf(matrix, col, vhdr_skip + device_info_count, "*-");
732 /* One for Unallocated */
733 table_printf(matrix, col, vhdr_skip - 1, "*-");
734 table_printf(matrix, col, vhdr_skip + device_info_count, "*-");
737 table_printf(matrix, 1, vhdr_skip + device_info_count + 1, "<Total");
738 for (i = 0, col = spaceinfos_col; i < sargs->total_spaces; i++) {
739 if (sargs->spaces[i].flags & BTRFS_SPACE_INFO_GLOBAL_RSV)
742 table_printf(matrix, col++, vhdr_skip + device_info_count + 1,
744 pretty_size_mode(sargs->spaces[i].total_bytes, unit_mode));
747 table_printf(matrix, unallocated_col, vhdr_skip + device_info_count + 1,
748 ">%s", pretty_size_mode(total_unused, unit_mode));
750 table_printf(matrix, 1, vhdr_skip + device_info_count + 2, "<Used");
751 for (i = 0, col = spaceinfos_col; i < sargs->total_spaces; i++) {
752 if (sargs->spaces[i].flags & BTRFS_SPACE_INFO_GLOBAL_RSV)
755 table_printf(matrix, col++, vhdr_skip + device_info_count + 2,
757 pretty_size_mode(sargs->spaces[i].used_bytes, unit_mode));
765 * This function prints the unused space per every disk
767 static void print_unused(struct chunk_info *info_ptr,
769 struct device_info *device_info_ptr,
770 int device_info_count,
774 for (i = 0; i < device_info_count; i++) {
778 for (j = 0; j < info_count; j++)
779 if (info_ptr[j].devid == device_info_ptr[i].devid)
780 total += calc_chunk_size(info_ptr+j);
782 printf(" %s\t%10s\n",
783 device_info_ptr[i].path,
784 pretty_size_mode(device_info_ptr[i].size - total,
790 * This function prints the allocated chunk per every disk
792 static void print_chunk_device(u64 chunk_type,
793 struct chunk_info *chunks_info_ptr,
794 int chunks_info_count,
795 struct device_info *device_info_ptr,
796 int device_info_count,
801 for (i = 0; i < device_info_count; i++) {
805 for (j = 0; j < chunks_info_count; j++) {
807 if (chunks_info_ptr[j].type != chunk_type)
809 if (chunks_info_ptr[j].devid != device_info_ptr[i].devid)
812 total += calc_chunk_size(&(chunks_info_ptr[j]));
813 //total += chunks_info_ptr[j].size;
817 printf(" %s\t%10s\n",
818 device_info_ptr[i].path,
819 pretty_size_mode(total, unit_mode));
824 * This function print the results of the command "btrfs fi usage"
827 static void _cmd_filesystem_usage_linear(unsigned unit_mode,
828 struct btrfs_ioctl_space_args *sargs,
829 struct chunk_info *info_ptr,
831 struct device_info *device_info_ptr,
832 int device_info_count)
836 for (i = 0; i < sargs->total_spaces; i++) {
837 const char *description;
839 u64 flags = sargs->spaces[i].flags;
841 if (flags & BTRFS_SPACE_INFO_GLOBAL_RSV)
844 description = btrfs_group_type_str(flags);
845 r_mode = btrfs_group_profile_str(flags);
847 printf("%s,%s: Size:%s, ",
850 pretty_size_mode(sargs->spaces[i].total_bytes,
853 pretty_size_mode(sargs->spaces[i].used_bytes, unit_mode));
854 print_chunk_device(flags, info_ptr, info_count,
855 device_info_ptr, device_info_count, unit_mode);
859 printf("Unallocated:\n");
860 print_unused(info_ptr, info_count, device_info_ptr, device_info_count,
864 static int print_filesystem_usage_by_chunk(int fd,
865 struct chunk_info *chunkinfo, int chunkcount,
866 struct device_info *devinfo, int devcount,
867 char *path, unsigned unit_mode, int tabular)
869 struct btrfs_ioctl_space_args *sargs;
875 sargs = load_space_info(fd, path);
882 _cmd_filesystem_usage_tabular(unit_mode, sargs, chunkinfo,
883 chunkcount, devinfo, devcount);
885 _cmd_filesystem_usage_linear(unit_mode, sargs, chunkinfo,
886 chunkcount, devinfo, devcount);
893 const char * const cmd_filesystem_usage_usage[] = {
894 "btrfs filesystem usage [options] <path> [<path>..]",
895 "Show detailed information about internal filesystem usage .",
896 HELPINFO_UNITS_SHORT_LONG,
897 "-T show data in tabular format",
901 int cmd_filesystem_usage(int argc, char **argv)
906 int more_than_one = 0;
909 unit_mode = get_unit_mode_from_arg(&argc, argv, 1);
915 c = getopt(argc, argv, "T");
924 usage(cmd_filesystem_usage_usage);
928 if (check_argc_min(argc - optind, 1))
929 usage(cmd_filesystem_usage_usage);
931 for (i = optind; i < argc; i++) {
933 DIR *dirstream = NULL;
934 struct chunk_info *chunkinfo = NULL;
935 struct device_info *devinfo = NULL;
939 fd = btrfs_open_dir(argv[i], &dirstream, 1);
947 ret = load_chunk_and_device_info(fd, &chunkinfo, &chunkcount,
948 &devinfo, &devcount);
952 ret = print_filesystem_usage_overall(fd, chunkinfo, chunkcount,
953 devinfo, devcount, argv[i], unit_mode);
957 ret = print_filesystem_usage_by_chunk(fd, chunkinfo, chunkcount,
958 devinfo, devcount, argv[i], unit_mode, tabular);
960 close_file_or_dir(fd, dirstream);
973 void print_device_chunks(int fd, struct device_info *devinfo,
974 struct chunk_info *chunks_info_ptr,
975 int chunks_info_count, unsigned unit_mode)
980 for (i = 0 ; i < chunks_info_count ; i++) {
981 const char *description;
986 if (chunks_info_ptr[i].devid != devinfo->devid)
989 flags = chunks_info_ptr[i].type;
991 description = btrfs_group_type_str(flags);
992 r_mode = btrfs_group_profile_str(flags);
993 size = calc_chunk_size(chunks_info_ptr+i);
994 printf(" %s,%s:%*s%10s\n",
997 (int)(20 - strlen(description) - strlen(r_mode)), "",
998 pretty_size_mode(size, unit_mode));
1003 printf(" Unallocated: %*s%10s\n",
1004 (int)(20 - strlen("Unallocated")), "",
1005 pretty_size_mode(devinfo->size - allocated, unit_mode));
1008 void print_device_sizes(int fd, struct device_info *devinfo, unsigned unit_mode)
1010 printf(" Device size: %*s%10s\n",
1011 (int)(20 - strlen("Device size")), "",
1012 pretty_size_mode(devinfo->device_size, unit_mode));
1015 * The term has not seen an agreement and we don't want to change it
1016 * once it's in non-development branches or even released.
1018 printf(" FS occupied: %*s%10s\n",
1019 (int)(20 - strlen("FS occupied")), "",
1020 pretty_size_mode(devinfo->size, unit_mode));