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+/*
+ * Copyright (C) 2007 Oracle. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License v2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ */
+
+#ifndef __CMDS_FI_USAGE_H__
+#define __CMDS_FI_USAGE_H__
+
+#include "kerncompat.h"
+#include "ioctl.h"
+
+extern const char * const cmd_filesystem_usage_usage[];
+int cmd_filesystem_usage(int argc, char **argv);
+
+struct device_info {
+ u64 devid;
+ char path[BTRFS_DEVICE_PATH_NAME_MAX];
+ /* Size of the block device */
+ u64 device_size;
+ /* Size that's occupied by the filesystem, can be changed via resize */
+ u64 size;
+};
+
+/*
+ * To store the size information about the chunks:
+ * the chunks info are grouped by the tuple (type, devid, num_stripes),
+ * i.e. if two chunks are of the same type (RAID1, DUP...), are on the
+ * same disk, have the same stripes then their sizes are grouped
+ */
+struct chunk_info {
+ u64 type;
+ u64 size;
+ u64 devid;
+ u64 num_stripes;
+};
+
+int load_chunk_and_device_info(int fd, struct chunk_info **chunkinfo,
+ int *chunkcount, struct device_info **devinfo, int *devcount);
+void print_device_chunks(int fd, struct device_info *devinfo,
+ struct chunk_info *chunks_info_ptr,
+ int chunks_info_count, unsigned unit_mode);
+void print_device_sizes(int fd, struct device_info *devinfo, unsigned unit_mode);
+
+#endif