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https://github.com/kdave/btrfs-progs
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e6fdeb81a9
Use devinfo and chunkinfo and _ret suffix for return variables. Signed-off-by: David Sterba <dsterba@suse.com>
56 lines
1.7 KiB
C
56 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_USAGE_H__
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#define __CMDS_FI_USAGE_H__
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#include "kerncompat.h"
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#include "ioctl.h"
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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_ret,
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int *chunkcount_ret, struct device_info **devinfo_ret,
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int *devcount_ret);
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void print_device_chunks(struct device_info *devinfo,
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struct chunk_info *chunk_info, int chunkcount, unsigned unit_mode);
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void print_device_sizes(struct device_info *devinfo, unsigned unit_mode);
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int dev_to_fsid(const char *dev, u8 *fsid);
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#endif
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