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https://github.com/kdave/btrfs-progs
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55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/*
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* Copyright (C) 2007 Oracle. All rights reserved.
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*
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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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#ifndef __CMDS_FI_DISK_USAGE__
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#define __CMDS_FI_DISK_USAGE__
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extern const char * const cmd_filesystem_usage_usage[];
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int cmd_filesystem_usage(int argc, char **argv);
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struct device_info {
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u64 devid;
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char path[BTRFS_DEVICE_PATH_NAME_MAX];
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/* Size of the block device */
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u64 device_size;
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/* Size that's occupied by the filesystem, can be changed via resize */
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u64 size;
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};
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/*
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* To store the size information about the chunks:
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* the chunks info are grouped by the tuple (type, devid, num_stripes),
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* i.e. if two chunks are of the same type (RAID1, DUP...), are on the
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* same disk, have the same stripes then their sizes are grouped
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*/
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struct chunk_info {
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u64 type;
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u64 size;
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u64 devid;
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u64 num_stripes;
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};
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int load_chunk_and_device_info(int fd, struct chunk_info **chunkinfo,
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int *chunkcount, struct device_info **devinfo, int *devcount);
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void print_device_chunks(int fd, struct device_info *devinfo,
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struct chunk_info *chunks_info_ptr,
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int chunks_info_count, int mode);
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void print_device_sizes(int fd, struct device_info *devinfo, int mode);
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#endif
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