mirror of
https://github.com/kdave/btrfs-progs
synced 2024-12-25 15:42:23 +00:00
21aa6777b2
Signed-off-by: David Sterba <dsterba@suse.com>
1345 lines
34 KiB
C
1345 lines
34 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#include "kerncompat.h"
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#include <sys/ioctl.h>
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#include <sys/statfs.h>
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#include <linux/limits.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <dirent.h>
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#include <limits.h>
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#include <uuid/uuid.h>
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#include "kernel-lib/sizes.h"
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#include "kernel-shared/ctree.h"
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#include "kernel-shared/disk-io.h"
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#include "kernel-shared/volumes.h"
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#include "kernel-shared/accessors.h"
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#include "kernel-shared/uapi/btrfs_tree.h"
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#include "common/defs.h"
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#include "common/utils.h"
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#include "common/string-table.h"
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#include "common/open-utils.h"
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#include "common/units.h"
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#include "common/help.h"
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#include "common/device-utils.h"
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#include "common/sysfs-utils.h"
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#include "common/messages.h"
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#include "common/path-utils.h"
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#include "cmds/filesystem-usage.h"
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#include "cmds/commands.h"
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/*
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* Add the chunk info to the chunk_info list
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*/
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static int add_info_to_list(struct chunk_info **chunkinfo_ret,
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int *info_count,
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struct btrfs_chunk *chunk)
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{
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u64 type = btrfs_stack_chunk_type(chunk);
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u64 size = btrfs_stack_chunk_length(chunk);
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int num_stripes = btrfs_stack_chunk_num_stripes(chunk);
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int j;
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for (j = 0 ; j < num_stripes ; j++) {
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int i;
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struct chunk_info *p = NULL;
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struct btrfs_stripe *stripe;
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u64 devid;
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stripe = btrfs_stripe_nr(chunk, j);
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devid = btrfs_stack_stripe_devid(stripe);
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for (i = 0 ; i < *info_count ; i++)
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if ((*chunkinfo_ret)[i].type == type &&
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(*chunkinfo_ret)[i].devid == devid &&
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(*chunkinfo_ret)[i].num_stripes == num_stripes ) {
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p = (*chunkinfo_ret) + i;
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break;
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}
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if (!p) {
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int tmp = sizeof(struct btrfs_chunk) * (*info_count + 1);
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struct chunk_info *res = realloc(*chunkinfo_ret, tmp);
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if (!res) {
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free(*chunkinfo_ret);
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error_msg(ERROR_MSG_MEMORY, NULL);
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return -ENOMEM;
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}
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*chunkinfo_ret = res;
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p = res + *info_count;
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(*info_count)++;
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p->devid = devid;
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p->type = type;
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p->size = 0;
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p->num_stripes = num_stripes;
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}
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p->size += size;
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}
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return 0;
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}
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/*
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* Helper to sort the chunk type
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*/
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static int cmp_chunk_block_group(u64 f1, u64 f2)
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{
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u64 mask;
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if ((f1 & BTRFS_BLOCK_GROUP_TYPE_MASK) ==
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(f2 & BTRFS_BLOCK_GROUP_TYPE_MASK))
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mask = BTRFS_BLOCK_GROUP_PROFILE_MASK;
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else if (f2 & BTRFS_BLOCK_GROUP_SYSTEM)
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return -1;
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else if (f1 & BTRFS_BLOCK_GROUP_SYSTEM)
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return +1;
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else
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mask = BTRFS_BLOCK_GROUP_TYPE_MASK;
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if ((f1 & mask) > (f2 & mask))
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return +1;
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else if ((f1 & mask) < (f2 & mask))
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return -1;
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else
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return 0;
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}
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/*
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* Helper to sort the chunk
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*/
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static int cmp_chunk_info(const void *a, const void *b)
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{
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return cmp_chunk_block_group(
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((struct chunk_info *)a)->type,
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((struct chunk_info *)b)->type);
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}
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static int load_chunk_info(int fd, struct chunk_info **chunkinfo_ret,
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int *chunkcount_ret)
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{
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int ret;
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struct btrfs_ioctl_search_args args;
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struct btrfs_ioctl_search_key *sk = &args.key;
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struct btrfs_ioctl_search_header *sh;
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unsigned long off = 0;
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int i;
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memset(&args, 0, sizeof(args));
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/*
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* there may be more than one ROOT_ITEM key if there are
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* snapshots pending deletion, we have to loop through
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* them.
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*/
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sk->tree_id = BTRFS_CHUNK_TREE_OBJECTID;
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sk->min_objectid = 0;
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sk->max_objectid = (u64)-1;
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sk->max_type = 0;
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sk->min_type = (u8)-1;
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sk->min_offset = 0;
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sk->max_offset = (u64)-1;
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sk->min_transid = 0;
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sk->max_transid = (u64)-1;
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sk->nr_items = 4096;
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while (1) {
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ret = ioctl(fd, BTRFS_IOC_TREE_SEARCH, &args);
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if (ret < 0) {
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if (errno == EPERM)
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return -errno;
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error("cannot look up chunk tree info: %m");
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return 1;
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}
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/* the ioctl returns the number of item it found in nr_items */
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if (sk->nr_items == 0)
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break;
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off = 0;
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for (i = 0; i < sk->nr_items; i++) {
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struct btrfs_chunk *item;
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sh = (struct btrfs_ioctl_search_header *)(args.buf +
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off);
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off += sizeof(*sh);
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item = (struct btrfs_chunk *)(args.buf + off);
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ret = add_info_to_list(chunkinfo_ret, chunkcount_ret, item);
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if (ret) {
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*chunkinfo_ret = NULL;
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return 1;
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}
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off += btrfs_search_header_len(sh);
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sk->min_objectid = btrfs_search_header_objectid(sh);
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sk->min_type = btrfs_search_header_type(sh);
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sk->min_offset = btrfs_search_header_offset(sh)+1;
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}
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if (!sk->min_offset) /* overflow */
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sk->min_type++;
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else
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continue;
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if (!sk->min_type)
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sk->min_objectid++;
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else
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continue;
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if (!sk->min_objectid)
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break;
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}
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qsort(*chunkinfo_ret, *chunkcount_ret, sizeof(struct chunk_info),
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cmp_chunk_info);
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return 0;
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}
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/*
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* Helper to sort the struct btrfs_ioctl_space_info
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*/
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static int cmp_btrfs_ioctl_space_info(const void *a, const void *b)
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{
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return cmp_chunk_block_group(
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((struct btrfs_ioctl_space_info *)a)->flags,
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((struct btrfs_ioctl_space_info *)b)->flags);
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}
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/*
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* This function load all the information about the space usage
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*/
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static struct btrfs_ioctl_space_args *load_space_info(int fd, const char *path)
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{
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struct btrfs_ioctl_space_args *sargs = NULL, *sargs_orig = NULL;
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int ret, count;
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sargs_orig = sargs = calloc(1, sizeof(struct btrfs_ioctl_space_args));
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if (!sargs) {
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error_msg(ERROR_MSG_MEMORY, NULL);
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return NULL;
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}
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sargs->space_slots = 0;
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sargs->total_spaces = 0;
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ret = ioctl(fd, BTRFS_IOC_SPACE_INFO, sargs);
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if (ret < 0) {
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error("cannot get space info on '%s': %m", path);
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free(sargs);
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return NULL;
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}
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if (!sargs->total_spaces) {
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free(sargs);
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pr_verbose(LOG_DEFAULT, "No chunks found\n");
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return NULL;
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}
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count = sargs->total_spaces;
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sargs = realloc(sargs, sizeof(struct btrfs_ioctl_space_args) +
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(count * sizeof(struct btrfs_ioctl_space_info)));
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if (!sargs) {
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free(sargs_orig);
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error_msg(ERROR_MSG_MEMORY, NULL);
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return NULL;
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}
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sargs->space_slots = count;
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sargs->total_spaces = 0;
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ret = ioctl(fd, BTRFS_IOC_SPACE_INFO, sargs);
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if (ret < 0) {
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error("cannot get space info with %u slots: %m",
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count);
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free(sargs);
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return NULL;
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}
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qsort(&(sargs->spaces), count, sizeof(struct btrfs_ioctl_space_info),
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cmp_btrfs_ioctl_space_info);
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return sargs;
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}
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/*
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* Compute the ratio between logical space used over logical space allocated
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* by profile basis
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*/
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static void get_raid56_logical_ratio(struct btrfs_ioctl_space_args *sargs,
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u64 type, double *data_ratio,
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double *metadata_ratio,
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double *system_ratio)
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{
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u64 l_data_chunk = 0, l_data_used = 0;
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u64 l_metadata_chunk = 0, l_metadata_used = 0;
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u64 l_system_chunk = 0, l_system_used = 0;
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int i;
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for (i = 0; i < sargs->total_spaces; i++) {
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u64 flags = sargs->spaces[i].flags;
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if (!(flags & type))
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continue;
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if (flags & BTRFS_BLOCK_GROUP_DATA) {
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l_data_used += sargs->spaces[i].used_bytes;
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l_data_chunk += sargs->spaces[i].total_bytes;
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} else if (flags & BTRFS_BLOCK_GROUP_METADATA) {
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l_metadata_used += sargs->spaces[i].used_bytes;
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l_metadata_chunk += sargs->spaces[i].total_bytes;
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} else if (flags & BTRFS_BLOCK_GROUP_SYSTEM) {
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l_system_used += sargs->spaces[i].used_bytes;
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l_system_chunk += sargs->spaces[i].total_bytes;
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}
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}
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*data_ratio = -1.0;
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*metadata_ratio = -1.0;
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*system_ratio = -1.0;
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if (l_data_chunk)
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*data_ratio = (double)l_data_used / l_data_chunk;
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if (l_metadata_chunk)
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*metadata_ratio = (double)l_metadata_used / l_metadata_chunk;
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if (l_system_chunk)
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*system_ratio = (double)l_system_used / l_system_chunk;
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}
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/*
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* Compute the "raw" space allocated for a chunk (r_*_chunks)
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* and the "raw" space used by a chunk (r_*_used)
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*/
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static void get_raid56_space_info(struct btrfs_ioctl_space_args *sargs,
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struct chunk_info *chunkinfo, int chunkcount,
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double *max_data_ratio,
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u64 *r_data_chunks, u64 *r_data_used,
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u64 *r_metadata_chunks, u64 *r_metadata_used,
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u64 *r_system_chunks, u64 *r_system_used)
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{
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struct chunk_info *info_ptr;
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double l_data_ratio_r5, l_metadata_ratio_r5, l_system_ratio_r5;
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double l_data_ratio_r6, l_metadata_ratio_r6, l_system_ratio_r6;
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get_raid56_logical_ratio(sargs, BTRFS_BLOCK_GROUP_RAID5,
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&l_data_ratio_r5, &l_metadata_ratio_r5, &l_system_ratio_r5);
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get_raid56_logical_ratio(sargs, BTRFS_BLOCK_GROUP_RAID6,
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&l_data_ratio_r6, &l_metadata_ratio_r6, &l_system_ratio_r6);
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for(info_ptr = chunkinfo; chunkcount > 0; chunkcount--, info_ptr++) {
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int parities_count;
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u64 size;
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double l_data_ratio, l_metadata_ratio, l_system_ratio, rt;
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parities_count = btrfs_bg_type_to_nparity(info_ptr->type);
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if (info_ptr->type & BTRFS_BLOCK_GROUP_RAID5) {
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l_data_ratio = l_data_ratio_r5;
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l_metadata_ratio = l_metadata_ratio_r5;
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l_system_ratio = l_system_ratio_r5;
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} else if (info_ptr->type & BTRFS_BLOCK_GROUP_RAID6) {
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l_data_ratio = l_data_ratio_r6;
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l_metadata_ratio = l_metadata_ratio_r6;
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l_system_ratio = l_system_ratio_r6;
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} else {
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continue;
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}
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rt = (double)info_ptr->num_stripes /
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(info_ptr->num_stripes - parities_count);
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if (rt > *max_data_ratio)
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*max_data_ratio = rt;
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/*
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* size is the total disk(s) space occupied by a chunk
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* the product of 'size' and '*_ratio' is "in average"
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* the disk(s) space used by the data
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*/
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size = info_ptr->size / (info_ptr->num_stripes - parities_count);
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if (info_ptr->type & BTRFS_BLOCK_GROUP_DATA) {
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UASSERT(l_data_ratio >= 0);
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*r_data_chunks += size;
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*r_data_used += size * l_data_ratio;
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} else if (info_ptr->type & BTRFS_BLOCK_GROUP_METADATA) {
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UASSERT(l_metadata_ratio >= 0);
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*r_metadata_chunks += size;
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*r_metadata_used += size * l_metadata_ratio;
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} else if (info_ptr->type & BTRFS_BLOCK_GROUP_SYSTEM) {
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UASSERT(l_system_ratio >= 0);
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*r_system_chunks += size;
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*r_system_used += size * l_system_ratio;
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}
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}
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}
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static u64 get_first_device_zone_size(int fd)
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{
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int dirfd;
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DIR *dir;
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struct dirent *de;
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char name[NAME_MAX] = {0};
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u64 ret;
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dirfd = sysfs_open_fsid_dir(fd, "devices");
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if (dirfd < 0)
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return 0;
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dir = fdopendir(dirfd);
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if (!dir) {
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ret = 0;
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goto out;
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}
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while (1) {
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de = readdir(dir);
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if (strcmp(".", de->d_name) == 0 || strcmp("..", de->d_name) == 0)
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continue;
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strcpy(name, de->d_name);
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name[NAME_MAX - 1] = 0;
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break;
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}
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ret = device_get_zone_size(fd, name);
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ret *= 512;
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out:
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closedir(dir);
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return ret;
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}
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|
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static u64 calc_slack_size(const struct device_info *devinfo)
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{
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if (devinfo->device_size > 0)
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return devinfo->device_size - devinfo->size;
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return 0;
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}
|
|
|
|
#define MIN_UNALOCATED_THRESH SZ_16M
|
|
static int print_filesystem_usage_overall(int fd, struct chunk_info *chunkinfo,
|
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int chunkcount, struct device_info *devinfo, int devcount,
|
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const char *path, unsigned unit_mode)
|
|
{
|
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struct btrfs_ioctl_space_args *sargs = NULL;
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char *tmp;
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int i;
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int ret = 0;
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int width = 10; /* default 10 for human units */
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/*
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* r_* prefix is for raw data
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* l_* prefix is for logical
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* *_used suffix is for space used for data or metadata
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|
* *_chunks suffix is for total space used by the chunk
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|
*/
|
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u64 r_total_size = 0; /* filesystem size, sum of device sizes */
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u64 r_total_chunks = 0; /* sum of chunks sizes on disk(s) */
|
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u64 r_total_used = 0;
|
|
u64 r_total_unused = 0;
|
|
u64 r_total_missing = 0; /* sum of missing devices size */
|
|
u64 r_total_slack = 0;
|
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u64 r_data_used = 0;
|
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u64 r_data_chunks = 0;
|
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u64 l_data_chunks = 0;
|
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u64 r_metadata_used = 0;
|
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u64 r_metadata_chunks = 0;
|
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u64 l_metadata_chunks = 0;
|
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u64 r_system_used = 0;
|
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u64 r_system_chunks = 0;
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double data_ratio;
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double metadata_ratio;
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/* logical */
|
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u64 l_global_reserve = 0;
|
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u64 l_global_reserve_used = 0;
|
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u64 free_estimated = 0;
|
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u64 free_min = 0;
|
|
u64 zone_unusable = 0;
|
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double max_data_ratio = 1.0;
|
|
bool mixed = false;
|
|
struct statfs statfs_buf;
|
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struct btrfs_ioctl_feature_flags feature_flags;
|
|
|
|
sargs = load_space_info(fd, path);
|
|
if (!sargs) {
|
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ret = 1;
|
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goto exit;
|
|
}
|
|
|
|
r_total_size = 0;
|
|
for (i = 0; i < devcount; i++) {
|
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r_total_size += devinfo[i].size;
|
|
r_total_slack += calc_slack_size(&devinfo[i]);
|
|
if (!devinfo[i].device_size)
|
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r_total_missing += devinfo[i].size;
|
|
}
|
|
|
|
if (r_total_size == 0) {
|
|
error("cannot get space info on '%s': %m", path);
|
|
|
|
ret = 1;
|
|
goto exit;
|
|
}
|
|
|
|
get_raid56_space_info(sargs, chunkinfo, chunkcount, &max_data_ratio,
|
|
&r_data_chunks, &r_data_used,
|
|
&r_metadata_chunks, &r_metadata_used,
|
|
&r_system_chunks, &r_system_used);
|
|
|
|
for (i = 0; i < sargs->total_spaces; i++) {
|
|
int ratio;
|
|
u64 flags = sargs->spaces[i].flags;
|
|
|
|
ratio = btrfs_bg_type_to_ncopies(flags);
|
|
|
|
/*
|
|
* The RAID5/6 ratio depends on the number of stripes and is
|
|
* computed separately. Setting ratio to 0 will not account
|
|
* the chunks in this loop.
|
|
*/
|
|
if (flags & BTRFS_BLOCK_GROUP_RAID56_MASK)
|
|
ratio = 0;
|
|
|
|
if (ratio > max_data_ratio)
|
|
max_data_ratio = ratio;
|
|
|
|
if (flags & BTRFS_SPACE_INFO_GLOBAL_RSV) {
|
|
l_global_reserve = sargs->spaces[i].total_bytes;
|
|
l_global_reserve_used = sargs->spaces[i].used_bytes;
|
|
}
|
|
if ((flags & (BTRFS_BLOCK_GROUP_DATA | BTRFS_BLOCK_GROUP_METADATA))
|
|
== (BTRFS_BLOCK_GROUP_DATA | BTRFS_BLOCK_GROUP_METADATA)) {
|
|
mixed = true;
|
|
} else {
|
|
/*
|
|
* As mixed mode is not supported in zoned mode, this
|
|
* will account for all profile types
|
|
*/
|
|
u64 tmp;
|
|
|
|
tmp = device_get_zone_unusable(fd, flags);
|
|
if (tmp != DEVICE_ZONE_UNUSABLE_UNKNOWN)
|
|
zone_unusable += tmp;
|
|
}
|
|
if (flags & BTRFS_BLOCK_GROUP_DATA) {
|
|
r_data_used += sargs->spaces[i].used_bytes * ratio;
|
|
r_data_chunks += sargs->spaces[i].total_bytes * ratio;
|
|
l_data_chunks += sargs->spaces[i].total_bytes;
|
|
}
|
|
if (flags & BTRFS_BLOCK_GROUP_METADATA) {
|
|
r_metadata_used += sargs->spaces[i].used_bytes * ratio;
|
|
r_metadata_chunks += sargs->spaces[i].total_bytes * ratio;
|
|
l_metadata_chunks += sargs->spaces[i].total_bytes;
|
|
}
|
|
if (flags & BTRFS_BLOCK_GROUP_SYSTEM) {
|
|
r_system_used += sargs->spaces[i].used_bytes * ratio;
|
|
r_system_chunks += sargs->spaces[i].total_bytes * ratio;
|
|
}
|
|
}
|
|
|
|
r_total_chunks = r_data_chunks + r_system_chunks;
|
|
r_total_used = r_data_used + r_system_used;
|
|
if (!mixed) {
|
|
r_total_chunks += r_metadata_chunks;
|
|
r_total_used += r_metadata_used;
|
|
}
|
|
r_total_unused = r_total_size - r_total_chunks;
|
|
|
|
/* Raw / Logical = raid factor, >= 1 */
|
|
data_ratio = (double)r_data_chunks / l_data_chunks;
|
|
if (mixed)
|
|
metadata_ratio = data_ratio;
|
|
else
|
|
metadata_ratio = (double)r_metadata_chunks / l_metadata_chunks;
|
|
|
|
/*
|
|
* We're able to fill at least DATA for the unused space
|
|
*
|
|
* With mixed raid levels, this gives a rough estimate but more
|
|
* accurate than just counting the logical free space
|
|
* (l_data_chunks - l_data_used)
|
|
*
|
|
* In non-mixed case there's no difference.
|
|
*/
|
|
free_estimated = (r_data_chunks - r_data_used) / data_ratio;
|
|
/*
|
|
* For mixed-bg the metadata are left out in calculations thus global
|
|
* reserve would be lost. Part of it could be permanently allocated,
|
|
* we have to subtract the used bytes so we don't go under zero free.
|
|
*/
|
|
if (mixed)
|
|
free_estimated -= l_global_reserve - l_global_reserve_used;
|
|
free_min = free_estimated;
|
|
|
|
/* Chop unallocatable space */
|
|
/* FIXME: must be applied per device */
|
|
if (r_total_unused >= MIN_UNALOCATED_THRESH) {
|
|
free_estimated += r_total_unused / data_ratio;
|
|
/* Match the calculation of 'df', use the highest raid ratio */
|
|
free_min += r_total_unused / max_data_ratio;
|
|
}
|
|
|
|
if (unit_mode != UNITS_HUMAN)
|
|
width = 18;
|
|
|
|
ret = statfs(path, &statfs_buf);
|
|
if (ret) {
|
|
warning("cannot get space info with statfs() on '%s': %m", path);
|
|
memset(&statfs_buf, 0, sizeof(statfs_buf));
|
|
ret = 0;
|
|
}
|
|
|
|
pr_verbose(LOG_DEFAULT, "Overall:\n");
|
|
|
|
pr_verbose(LOG_DEFAULT, " Device size:\t\t%*s\n", width,
|
|
pretty_size_mode(r_total_size, unit_mode));
|
|
pr_verbose(LOG_DEFAULT, " Device allocated:\t\t%*s\n", width,
|
|
pretty_size_mode(r_total_chunks, unit_mode));
|
|
pr_verbose(LOG_DEFAULT, " Device unallocated:\t\t%*s\n", width,
|
|
pretty_size_mode(r_total_unused, unit_mode | UNITS_NEGATIVE));
|
|
pr_verbose(LOG_DEFAULT, " Device missing:\t\t%*s\n", width,
|
|
pretty_size_mode(r_total_missing, unit_mode));
|
|
pr_verbose(LOG_DEFAULT, " Device slack:\t\t%*s\n", width,
|
|
pretty_size_mode(r_total_slack, unit_mode));
|
|
ret = ioctl(fd, BTRFS_IOC_GET_FEATURES, &feature_flags);
|
|
if (ret == 0 && (feature_flags.incompat_flags & BTRFS_FEATURE_INCOMPAT_ZONED)) {
|
|
u64 zone_size;
|
|
|
|
pr_verbose(LOG_DEFAULT, " Device zone unusable:\t%*s\n", width,
|
|
pretty_size_mode(zone_unusable, unit_mode));
|
|
zone_size = get_first_device_zone_size(fd);
|
|
pr_verbose(LOG_DEFAULT, " Device zone size:\t\t%*s\n", width,
|
|
pretty_size_mode(zone_size, unit_mode));
|
|
}
|
|
pr_verbose(LOG_DEFAULT, " Used:\t\t\t%*s\n", width,
|
|
pretty_size_mode(r_total_used, unit_mode));
|
|
pr_verbose(LOG_DEFAULT, " Free (estimated):\t\t%*s\t(",
|
|
width,
|
|
pretty_size_mode(free_estimated, unit_mode));
|
|
pr_verbose(LOG_DEFAULT, "min: %s)\n", pretty_size_mode(free_min, unit_mode));
|
|
pr_verbose(LOG_DEFAULT, " Free (statfs, df):\t\t%*s\n", width,
|
|
pretty_size_mode(statfs_buf.f_bavail * statfs_buf.f_bsize, unit_mode));
|
|
pr_verbose(LOG_DEFAULT, " Data ratio:\t\t\t%*.2f\n",
|
|
width, data_ratio);
|
|
pr_verbose(LOG_DEFAULT, " Metadata ratio:\t\t%*.2f\n",
|
|
width, metadata_ratio);
|
|
pr_verbose(LOG_DEFAULT, " Global reserve:\t\t%*s\t(used: %s)\n", width,
|
|
pretty_size_mode(l_global_reserve, unit_mode),
|
|
pretty_size_mode(l_global_reserve_used, unit_mode));
|
|
tmp = btrfs_test_for_multiple_profiles(fd);
|
|
if (tmp[0])
|
|
pr_verbose(LOG_DEFAULT, " Multiple profiles:\t\t%*s\t(%s)\n", width, "yes", tmp);
|
|
else
|
|
pr_verbose(LOG_DEFAULT, " Multiple profiles:\t\t%*s\n", width, "no");
|
|
free(tmp);
|
|
|
|
exit:
|
|
|
|
if (sargs)
|
|
free(sargs);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Helper to sort the device_info structure
|
|
*/
|
|
static int cmp_device_info(const void *a, const void *b)
|
|
{
|
|
const struct device_info *deva = a;
|
|
const struct device_info *devb = b;
|
|
|
|
if (deva->devid < devb->devid)
|
|
return -1;
|
|
if (deva->devid > devb->devid)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int dev_to_fsid(const char *dev, u8 *fsid)
|
|
{
|
|
struct btrfs_super_block disk_super;
|
|
int ret;
|
|
int fd;
|
|
|
|
fd = open(dev, O_RDONLY);
|
|
if (fd < 0) {
|
|
ret = -errno;
|
|
return ret;
|
|
}
|
|
|
|
ret = btrfs_read_dev_super(fd, &disk_super,
|
|
BTRFS_SUPER_INFO_OFFSET, SBREAD_DEFAULT);
|
|
if (ret)
|
|
goto out;
|
|
|
|
memcpy(fsid, disk_super.fsid, BTRFS_FSID_SIZE);
|
|
ret = 0;
|
|
|
|
out:
|
|
close(fd);
|
|
return ret;
|
|
}
|
|
|
|
static int device_is_seed(int fd, const char *dev_path, u64 devid, const u8 *mnt_fsid)
|
|
{
|
|
char fsid_str[BTRFS_UUID_UNPARSED_SIZE];
|
|
char fsid_path[PATH_MAX];
|
|
char devid_str[20];
|
|
u8 fsid[BTRFS_UUID_SIZE];
|
|
int ret = -1;
|
|
int sysfs_fd;
|
|
|
|
snprintf(devid_str, 20, "%llu", devid);
|
|
/* devinfo/<devid>/fsid */
|
|
ret = path_cat3_out(fsid_path, "devinfo", devid_str, "fsid");
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* /sys/fs/btrfs/<fsid>/devinfo/<devid>/fsid */
|
|
sysfs_fd = sysfs_open_fsid_file(fd, fsid_path);
|
|
if (sysfs_fd >= 0) {
|
|
sysfs_read_file(sysfs_fd, fsid_str, BTRFS_UUID_UNPARSED_SIZE);
|
|
fsid_str[BTRFS_UUID_UNPARSED_SIZE - 1] = 0;
|
|
ret = uuid_parse(fsid_str, fsid);
|
|
close(sysfs_fd);
|
|
}
|
|
|
|
if (ret || sysfs_fd < 0) {
|
|
ret = dev_to_fsid(dev_path, fsid);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
if (memcmp(mnt_fsid, fsid, BTRFS_FSID_SIZE) != 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* This function loads the device_info structure and put them in an array
|
|
*/
|
|
static int load_device_info(int fd, struct device_info **devinfo_ret,
|
|
int *devcount_ret)
|
|
{
|
|
int ret, i, ndevs;
|
|
struct btrfs_ioctl_fs_info_args fi_args;
|
|
struct btrfs_ioctl_dev_info_args dev_info;
|
|
struct device_info *info;
|
|
|
|
*devcount_ret = 0;
|
|
*devinfo_ret = NULL;
|
|
|
|
ret = ioctl(fd, BTRFS_IOC_FS_INFO, &fi_args);
|
|
if (ret < 0) {
|
|
if (errno == EPERM)
|
|
return -errno;
|
|
error("cannot get filesystem info: %m");
|
|
return 1;
|
|
}
|
|
|
|
info = calloc(fi_args.num_devices, sizeof(struct device_info));
|
|
if (!info) {
|
|
error_msg(ERROR_MSG_MEMORY, NULL);
|
|
return 1;
|
|
}
|
|
|
|
for (i = 0, ndevs = 0 ; i <= fi_args.max_id ; i++) {
|
|
if (ndevs >= fi_args.num_devices) {
|
|
error("unexpected number of devices: %d >= %llu", ndevs,
|
|
fi_args.num_devices);
|
|
error(
|
|
"if seed device is used, try running this command as root");
|
|
goto out;
|
|
}
|
|
memset(&dev_info, 0, sizeof(dev_info));
|
|
ret = device_get_info(fd, i, &dev_info);
|
|
|
|
if (ret == -ENODEV)
|
|
continue;
|
|
if (ret) {
|
|
error("cannot get info about device devid=%d", i);
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* Skip seed device by checking device's fsid (requires root if
|
|
* kernel is not patched to provide fsid from the sysfs).
|
|
* And we will skip only if device_is_seed is successful and dev
|
|
* is a seed device.
|
|
* Ignore any other error including -EACCES, which is seen when
|
|
* a non-root process calls dev_to_fsid(path)->open(path).
|
|
*/
|
|
ret = device_is_seed(fd, (const char *)dev_info.path, i, fi_args.fsid);
|
|
if (!ret)
|
|
continue;
|
|
|
|
info[ndevs].devid = dev_info.devid;
|
|
if (!dev_info.path[0]) {
|
|
strcpy(info[ndevs].path, "missing");
|
|
} else {
|
|
strcpy(info[ndevs].path, (char *)dev_info.path);
|
|
info[ndevs].device_size =
|
|
device_get_partition_size((const char *)dev_info.path);
|
|
}
|
|
info[ndevs].size = dev_info.total_bytes;
|
|
++ndevs;
|
|
}
|
|
|
|
if (ndevs != fi_args.num_devices) {
|
|
error("unexpected number of devices: %d != %llu", ndevs,
|
|
fi_args.num_devices);
|
|
goto out;
|
|
}
|
|
|
|
qsort(info, fi_args.num_devices,
|
|
sizeof(struct device_info), cmp_device_info);
|
|
|
|
*devcount_ret = fi_args.num_devices;
|
|
*devinfo_ret = info;
|
|
|
|
return 0;
|
|
|
|
out:
|
|
free(info);
|
|
return ret;
|
|
}
|
|
|
|
int load_chunk_and_device_info(int fd, struct chunk_info **chunkinfo_ret,
|
|
int *chunkcount_ret, struct device_info **devinfo_ret,
|
|
int *devcount_ret)
|
|
{
|
|
int ret;
|
|
|
|
ret = load_chunk_info(fd, chunkinfo_ret, chunkcount_ret);
|
|
if (ret == -EPERM) {
|
|
warning(
|
|
"cannot read detailed chunk info, per-device usage will not be shown, run as root");
|
|
} else if (ret) {
|
|
return ret;
|
|
}
|
|
|
|
ret = load_device_info(fd, devinfo_ret, devcount_ret);
|
|
if (ret == -EPERM) {
|
|
warning(
|
|
"cannot get filesystem info from ioctl(FS_INFO), run as root");
|
|
ret = 0;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* This function computes the size of a chunk in a disk
|
|
*/
|
|
static u64 calc_chunk_size(struct chunk_info *ci)
|
|
{
|
|
u32 div = 1;
|
|
|
|
/*
|
|
* The formula doesn't work for RAID1/DUP types, we should just return the
|
|
* chunk size
|
|
*/
|
|
if (!(ci->type & (BTRFS_BLOCK_GROUP_RAID1_MASK|BTRFS_BLOCK_GROUP_DUP))) {
|
|
/* No parity + sub_stripes, so order of "-" and "/" does not matter */
|
|
div = (ci->num_stripes - btrfs_bg_type_to_nparity(ci->type)) /
|
|
btrfs_bg_type_to_sub_stripes(ci->type);
|
|
}
|
|
|
|
return ci->size / div;
|
|
}
|
|
|
|
/*
|
|
* This function print the results of the command "btrfs fi usage"
|
|
* in tabular format
|
|
*/
|
|
static void _cmd_filesystem_usage_tabular(unsigned unit_mode,
|
|
struct btrfs_ioctl_space_args *sargs,
|
|
struct chunk_info *chunks_info_ptr,
|
|
int chunks_info_count,
|
|
struct device_info *devinfo,
|
|
int devcount)
|
|
{
|
|
int i;
|
|
u64 total_unused = 0;
|
|
u64 total_total = 0;
|
|
u64 total_slack = 0;
|
|
struct string_table *matrix = NULL;
|
|
int ncols, nrows;
|
|
int col;
|
|
int unallocated_col;
|
|
int spaceinfos_col;
|
|
int total_col;
|
|
int slack_col;
|
|
u64 slack;
|
|
const int vhdr_skip = 3; /* amount of vertical header space */
|
|
|
|
/* id, path, unallocated, total, slack */
|
|
ncols = 5;
|
|
spaceinfos_col = 2;
|
|
/* Properly count the real space infos */
|
|
for (i = 0; i < sargs->total_spaces; i++) {
|
|
if (sargs->spaces[i].flags & BTRFS_SPACE_INFO_GLOBAL_RSV)
|
|
continue;
|
|
ncols++;
|
|
}
|
|
|
|
/* 2 for header, empty line, devices, ===, total, used */
|
|
nrows = vhdr_skip + devcount + 1 + 2;
|
|
|
|
matrix = table_create(ncols, nrows);
|
|
if (!matrix) {
|
|
error_msg(ERROR_MSG_MEMORY, NULL);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* We have to skip the global block reserve everywhere as it's an
|
|
* artificial blockgroup
|
|
*/
|
|
|
|
/* header */
|
|
for (i = 0, col = spaceinfos_col; i < sargs->total_spaces; i++) {
|
|
u64 flags = sargs->spaces[i].flags;
|
|
|
|
if (flags & BTRFS_SPACE_INFO_GLOBAL_RSV)
|
|
continue;
|
|
|
|
table_printf(matrix, col, 0, "<%s",
|
|
btrfs_group_type_str(flags));
|
|
table_printf(matrix, col, 1, "<%s",
|
|
btrfs_group_profile_str(flags));
|
|
col++;
|
|
}
|
|
unallocated_col = col++;
|
|
total_col = col++;
|
|
slack_col = col++;
|
|
|
|
table_printf(matrix, 0, 1, "<Id");
|
|
table_printf(matrix, 1, 1, "<Path");
|
|
table_printf(matrix, unallocated_col, 1, "<Unallocated");
|
|
table_printf(matrix, total_col, 1, "<Total");
|
|
table_printf(matrix, slack_col, 1, "<Slack");
|
|
|
|
/* body */
|
|
for (i = 0; i < devcount; i++) {
|
|
int k;
|
|
char *p;
|
|
|
|
u64 total_allocated = 0, unused;
|
|
|
|
p = strrchr(devinfo[i].path, '/');
|
|
if (!p)
|
|
p = devinfo[i].path;
|
|
else
|
|
p++;
|
|
|
|
table_printf(matrix, 0, vhdr_skip + i, ">%llu",
|
|
devinfo[i].devid);
|
|
table_printf(matrix, 1, vhdr_skip + i, "<%s",
|
|
devinfo[i].path);
|
|
|
|
for (col = spaceinfos_col, k = 0; k < sargs->total_spaces; k++) {
|
|
u64 flags = sargs->spaces[k].flags;
|
|
u64 devid = devinfo[i].devid;
|
|
int j;
|
|
u64 size = 0;
|
|
|
|
if (flags & BTRFS_SPACE_INFO_GLOBAL_RSV)
|
|
continue;
|
|
|
|
for (j = 0 ; j < chunks_info_count ; j++) {
|
|
if (chunks_info_ptr[j].type != flags )
|
|
continue;
|
|
if (chunks_info_ptr[j].devid != devid)
|
|
continue;
|
|
|
|
size += calc_chunk_size(chunks_info_ptr+j);
|
|
}
|
|
|
|
if (size)
|
|
table_printf(matrix, col, vhdr_skip+ i,
|
|
">%s", pretty_size_mode(size, unit_mode));
|
|
else
|
|
table_printf(matrix, col, vhdr_skip + i, ">-");
|
|
|
|
total_allocated += size;
|
|
col++;
|
|
}
|
|
|
|
unused = device_get_partition_size(devinfo[i].path)
|
|
- total_allocated;
|
|
unused = devinfo[i].size - total_allocated;
|
|
|
|
table_printf(matrix, unallocated_col, vhdr_skip + i, ">%s",
|
|
pretty_size_mode(unused, unit_mode | UNITS_NEGATIVE));
|
|
table_printf(matrix, total_col, vhdr_skip + i, ">%s",
|
|
pretty_size_mode(devinfo[i].size,
|
|
unit_mode | UNITS_NEGATIVE));
|
|
slack = calc_slack_size(&devinfo[i]);
|
|
if (slack > 0) {
|
|
table_printf(matrix, slack_col, vhdr_skip + i, ">%s",
|
|
pretty_size_mode(slack,
|
|
unit_mode | UNITS_NEGATIVE));
|
|
} else {
|
|
table_printf(matrix, slack_col, vhdr_skip + i, ">-");
|
|
}
|
|
total_unused += unused;
|
|
total_slack += slack;
|
|
total_total += devinfo[i].size;
|
|
|
|
}
|
|
|
|
for (i = 0; i < spaceinfos_col; i++) {
|
|
table_printf(matrix, i, vhdr_skip - 1, "*-");
|
|
table_printf(matrix, i, vhdr_skip + devcount, "*-");
|
|
}
|
|
|
|
for (i = 0, col = spaceinfos_col; i < sargs->total_spaces; i++) {
|
|
if (sargs->spaces[i].flags & BTRFS_SPACE_INFO_GLOBAL_RSV)
|
|
continue;
|
|
|
|
table_printf(matrix, col, vhdr_skip - 1, "*-");
|
|
table_printf(matrix, col, vhdr_skip + devcount, "*-");
|
|
col++;
|
|
}
|
|
/* Line under Unallocated, Total, Slack */
|
|
table_printf(matrix, col, vhdr_skip - 1, "*-");
|
|
table_printf(matrix, col, vhdr_skip + devcount, "*-");
|
|
table_printf(matrix, col + 1, vhdr_skip - 1, "*-");
|
|
table_printf(matrix, col + 1, vhdr_skip + devcount, "*-");
|
|
table_printf(matrix, col + 2, vhdr_skip - 1, "*-");
|
|
table_printf(matrix, col + 2, vhdr_skip + devcount, "*-");
|
|
|
|
/* footer */
|
|
table_printf(matrix, 1, vhdr_skip + devcount + 1, "<Total");
|
|
for (i = 0, col = spaceinfos_col; i < sargs->total_spaces; i++) {
|
|
if (sargs->spaces[i].flags & BTRFS_SPACE_INFO_GLOBAL_RSV)
|
|
continue;
|
|
|
|
table_printf(matrix, col++, vhdr_skip + devcount + 1,
|
|
">%s",
|
|
pretty_size_mode(sargs->spaces[i].total_bytes, unit_mode));
|
|
}
|
|
|
|
table_printf(matrix, unallocated_col, vhdr_skip + devcount + 1,
|
|
">%s",
|
|
pretty_size_mode(total_unused, unit_mode | UNITS_NEGATIVE));
|
|
table_printf(matrix, total_col, vhdr_skip + devcount + 1,
|
|
">%s",
|
|
pretty_size_mode(total_total, unit_mode | UNITS_NEGATIVE));
|
|
table_printf(matrix, slack_col, vhdr_skip + devcount + 1,
|
|
">%s",
|
|
pretty_size_mode(total_slack, unit_mode | UNITS_NEGATIVE));
|
|
|
|
table_printf(matrix, 1, vhdr_skip + devcount + 2, "<Used");
|
|
for (i = 0, col = spaceinfos_col; i < sargs->total_spaces; i++) {
|
|
if (sargs->spaces[i].flags & BTRFS_SPACE_INFO_GLOBAL_RSV)
|
|
continue;
|
|
|
|
table_printf(matrix, col++, vhdr_skip + devcount + 2,
|
|
">%s",
|
|
pretty_size_mode(sargs->spaces[i].used_bytes, unit_mode));
|
|
}
|
|
|
|
table_dump(matrix);
|
|
table_free(matrix);
|
|
}
|
|
|
|
/*
|
|
* This function prints the unused space per every disk
|
|
*/
|
|
static void print_unused(struct chunk_info *info_ptr,
|
|
int info_count,
|
|
struct device_info *devinfo,
|
|
int devcount,
|
|
unsigned unit_mode)
|
|
{
|
|
int i;
|
|
for (i = 0; i < devcount; i++) {
|
|
int j;
|
|
u64 total = 0;
|
|
|
|
for (j = 0; j < info_count; j++)
|
|
if (info_ptr[j].devid == devinfo[i].devid)
|
|
total += calc_chunk_size(info_ptr+j);
|
|
|
|
pr_verbose(LOG_DEFAULT, " %s\t%10s\n",
|
|
devinfo[i].path,
|
|
pretty_size_mode(devinfo[i].size - total, unit_mode));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This function prints the allocated chunk per every disk
|
|
*/
|
|
static void print_chunk_device(u64 chunk_type,
|
|
struct chunk_info *chunks_info_ptr,
|
|
int chunks_info_count,
|
|
struct device_info *devinfo,
|
|
int devcount,
|
|
unsigned unit_mode)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < devcount; i++) {
|
|
int j;
|
|
u64 total = 0;
|
|
|
|
for (j = 0; j < chunks_info_count; j++) {
|
|
|
|
if (chunks_info_ptr[j].type != chunk_type)
|
|
continue;
|
|
if (chunks_info_ptr[j].devid != devinfo[i].devid)
|
|
continue;
|
|
|
|
total += calc_chunk_size(&(chunks_info_ptr[j]));
|
|
//total += chunks_info_ptr[j].size;
|
|
}
|
|
|
|
if (total > 0)
|
|
pr_verbose(LOG_DEFAULT, " %s\t%10s\n",
|
|
devinfo[i].path,
|
|
pretty_size_mode(total, unit_mode));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This function print the results of the command "btrfs fi usage"
|
|
* in linear format
|
|
*/
|
|
static void _cmd_filesystem_usage_linear(unsigned unit_mode,
|
|
struct btrfs_ioctl_space_args *sargs,
|
|
struct chunk_info *info_ptr,
|
|
int info_count,
|
|
struct device_info *devinfo,
|
|
int devcount)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < sargs->total_spaces; i++) {
|
|
const char *description;
|
|
const char *r_mode;
|
|
u64 flags = sargs->spaces[i].flags;
|
|
|
|
if (flags & BTRFS_SPACE_INFO_GLOBAL_RSV)
|
|
continue;
|
|
|
|
description = btrfs_group_type_str(flags);
|
|
r_mode = btrfs_group_profile_str(flags);
|
|
|
|
pr_verbose(LOG_DEFAULT, "%s,%s: Size:%s, ",
|
|
description,
|
|
r_mode,
|
|
pretty_size_mode(sargs->spaces[i].total_bytes,
|
|
unit_mode));
|
|
pr_verbose(LOG_DEFAULT, "Used:%s (%.2f%%)\n",
|
|
pretty_size_mode(sargs->spaces[i].used_bytes, unit_mode),
|
|
100.0f * sargs->spaces[i].used_bytes /
|
|
(sargs->spaces[i].total_bytes + 1));
|
|
print_chunk_device(flags, info_ptr, info_count,
|
|
devinfo, devcount, unit_mode);
|
|
pr_verbose(LOG_DEFAULT, "\n");
|
|
}
|
|
|
|
if (info_count) {
|
|
pr_verbose(LOG_DEFAULT, "Unallocated:\n");
|
|
print_unused(info_ptr, info_count, devinfo,
|
|
devcount, unit_mode | UNITS_NEGATIVE);
|
|
}
|
|
}
|
|
|
|
static int print_filesystem_usage_by_chunk(int fd,
|
|
struct chunk_info *chunkinfo, int chunkcount,
|
|
struct device_info *devinfo, int devcount,
|
|
const char *path, unsigned unit_mode, int tabular)
|
|
{
|
|
struct btrfs_ioctl_space_args *sargs;
|
|
int ret = 0;
|
|
|
|
sargs = load_space_info(fd, path);
|
|
if (!sargs) {
|
|
ret = 1;
|
|
goto out;
|
|
}
|
|
|
|
if (tabular)
|
|
_cmd_filesystem_usage_tabular(unit_mode, sargs, chunkinfo,
|
|
chunkcount, devinfo, devcount);
|
|
else
|
|
_cmd_filesystem_usage_linear(unit_mode, sargs, chunkinfo,
|
|
chunkcount, devinfo, devcount);
|
|
|
|
free(sargs);
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static const char * const cmd_filesystem_usage_usage[] = {
|
|
"btrfs filesystem usage [options] <path> [<path>..]",
|
|
"Show detailed information about internal filesystem usage .",
|
|
"",
|
|
HELPINFO_UNITS_SHORT_LONG,
|
|
OPTLINE("-T", "show data in tabular format"),
|
|
NULL
|
|
};
|
|
|
|
static int cmd_filesystem_usage(const struct cmd_struct *cmd,
|
|
int argc, char **argv)
|
|
{
|
|
int ret = 0;
|
|
unsigned unit_mode;
|
|
int i;
|
|
int more_than_one = 0;
|
|
int tabular = 0;
|
|
|
|
unit_mode = get_unit_mode_from_arg(&argc, argv, 1);
|
|
|
|
optind = 0;
|
|
while (1) {
|
|
int c;
|
|
|
|
c = getopt(argc, argv, "T");
|
|
if (c < 0)
|
|
break;
|
|
|
|
switch (c) {
|
|
case 'T':
|
|
tabular = 1;
|
|
break;
|
|
default:
|
|
usage_unknown_option(cmd, argv);
|
|
}
|
|
}
|
|
|
|
if (check_argc_min(argc - optind, 1))
|
|
return 1;
|
|
|
|
for (i = optind; i < argc; i++) {
|
|
int fd;
|
|
DIR *dirstream = NULL;
|
|
struct chunk_info *chunkinfo = NULL;
|
|
struct device_info *devinfo = NULL;
|
|
int chunkcount = 0;
|
|
int devcount = 0;
|
|
|
|
fd = btrfs_open_dir(argv[i], &dirstream, 1);
|
|
if (fd < 0) {
|
|
ret = 1;
|
|
goto out;
|
|
}
|
|
if (more_than_one)
|
|
pr_verbose(LOG_DEFAULT, "\n");
|
|
|
|
ret = load_chunk_and_device_info(fd, &chunkinfo, &chunkcount,
|
|
&devinfo, &devcount);
|
|
if (ret)
|
|
goto cleanup;
|
|
|
|
ret = print_filesystem_usage_overall(fd, chunkinfo, chunkcount,
|
|
devinfo, devcount, argv[i], unit_mode);
|
|
if (ret)
|
|
goto cleanup;
|
|
pr_verbose(LOG_DEFAULT, "\n");
|
|
ret = print_filesystem_usage_by_chunk(fd, chunkinfo, chunkcount,
|
|
devinfo, devcount, argv[i], unit_mode, tabular);
|
|
cleanup:
|
|
close_file_or_dir(fd, dirstream);
|
|
free(chunkinfo);
|
|
free(devinfo);
|
|
|
|
if (ret)
|
|
goto out;
|
|
more_than_one = 1;
|
|
}
|
|
|
|
out:
|
|
return !!ret;
|
|
}
|
|
DEFINE_SIMPLE_COMMAND(filesystem_usage, "usage");
|
|
|
|
void print_device_chunks(struct device_info *devinfo,
|
|
struct chunk_info *chunks_info_ptr,
|
|
int chunks_info_count, unsigned unit_mode)
|
|
{
|
|
int i;
|
|
u64 allocated = 0;
|
|
|
|
for (i = 0 ; i < chunks_info_count ; i++) {
|
|
const char *description;
|
|
const char *r_mode;
|
|
u64 flags;
|
|
u64 size;
|
|
u64 num_stripes;
|
|
u64 profile;
|
|
|
|
if (chunks_info_ptr[i].devid != devinfo->devid)
|
|
continue;
|
|
|
|
flags = chunks_info_ptr[i].type;
|
|
profile = (flags & BTRFS_BLOCK_GROUP_PROFILE_MASK);
|
|
|
|
description = btrfs_group_type_str(flags);
|
|
r_mode = btrfs_group_profile_str(flags);
|
|
size = calc_chunk_size(chunks_info_ptr+i);
|
|
num_stripes = chunks_info_ptr[i].num_stripes;
|
|
|
|
if (btrfs_bg_type_is_stripey(profile)) {
|
|
pr_verbose(LOG_DEFAULT, " %s,%s/%llu:%*s%10s\n",
|
|
description,
|
|
r_mode,
|
|
num_stripes,
|
|
(int)(20 - strlen(description) - strlen(r_mode)
|
|
- count_digits(num_stripes) - 1), "",
|
|
pretty_size_mode(size, unit_mode));
|
|
} else {
|
|
pr_verbose(LOG_DEFAULT, " %s,%s:%*s%10s\n",
|
|
description,
|
|
r_mode,
|
|
(int)(20 - strlen(description) - strlen(r_mode)), "",
|
|
pretty_size_mode(size, unit_mode));
|
|
}
|
|
|
|
allocated += size;
|
|
|
|
}
|
|
pr_verbose(LOG_DEFAULT, " Unallocated: %*s%10s\n",
|
|
(int)(20 - strlen("Unallocated")), "",
|
|
pretty_size_mode(devinfo->size - allocated,
|
|
unit_mode | UNITS_NEGATIVE));
|
|
}
|
|
|
|
void print_device_sizes(struct device_info *devinfo, unsigned unit_mode)
|
|
{
|
|
pr_verbose(LOG_DEFAULT, " Device size: %*s%10s\n",
|
|
(int)(20 - strlen("Device size")), "",
|
|
pretty_size_mode(devinfo->device_size, unit_mode));
|
|
pr_verbose(LOG_DEFAULT, " Device slack: %*s%10s\n",
|
|
(int)(20 - strlen("Device slack")), "",
|
|
pretty_size_mode(calc_slack_size(devinfo), unit_mode));
|
|
}
|