252 lines
7.5 KiB
C
252 lines
7.5 KiB
C
/*
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* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
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* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU General Public License version 2.
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*/
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#include <linux/slab.h>
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#include <linux/spinlock.h>
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#include <linux/completion.h>
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#include <linux/buffer_head.h>
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#include "gfs2.h"
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#include <linux/gfs2_ondisk.h>
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#include <linux/lm_interface.h>
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#include "incore.h"
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#define pv(struct, member, fmt) printk(KERN_INFO " "#member" = "fmt"\n", \
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struct->member);
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/*
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* gfs2_xxx_in - read in an xxx struct
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* first arg: the cpu-order structure
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* buf: the disk-order buffer
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*
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* gfs2_xxx_out - write out an xxx struct
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* first arg: the cpu-order structure
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* buf: the disk-order buffer
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*
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* gfs2_xxx_print - print out an xxx struct
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* first arg: the cpu-order structure
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*/
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void gfs2_inum_in(struct gfs2_inum_host *no, const void *buf)
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{
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const struct gfs2_inum *str = buf;
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no->no_formal_ino = be64_to_cpu(str->no_formal_ino);
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no->no_addr = be64_to_cpu(str->no_addr);
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}
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void gfs2_inum_out(const struct gfs2_inum_host *no, void *buf)
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{
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struct gfs2_inum *str = buf;
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str->no_formal_ino = cpu_to_be64(no->no_formal_ino);
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str->no_addr = cpu_to_be64(no->no_addr);
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}
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static void gfs2_inum_print(const struct gfs2_inum_host *no)
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{
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printk(KERN_INFO " no_formal_ino = %llu\n", (unsigned long long)no->no_formal_ino);
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printk(KERN_INFO " no_addr = %llu\n", (unsigned long long)no->no_addr);
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}
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static void gfs2_meta_header_in(struct gfs2_meta_header_host *mh, const void *buf)
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{
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const struct gfs2_meta_header *str = buf;
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mh->mh_magic = be32_to_cpu(str->mh_magic);
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mh->mh_type = be32_to_cpu(str->mh_type);
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mh->mh_format = be32_to_cpu(str->mh_format);
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}
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void gfs2_sb_in(struct gfs2_sb_host *sb, const void *buf)
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{
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const struct gfs2_sb *str = buf;
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gfs2_meta_header_in(&sb->sb_header, buf);
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sb->sb_fs_format = be32_to_cpu(str->sb_fs_format);
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sb->sb_multihost_format = be32_to_cpu(str->sb_multihost_format);
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sb->sb_bsize = be32_to_cpu(str->sb_bsize);
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sb->sb_bsize_shift = be32_to_cpu(str->sb_bsize_shift);
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gfs2_inum_in(&sb->sb_master_dir, (char *)&str->sb_master_dir);
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gfs2_inum_in(&sb->sb_root_dir, (char *)&str->sb_root_dir);
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memcpy(sb->sb_lockproto, str->sb_lockproto, GFS2_LOCKNAME_LEN);
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memcpy(sb->sb_locktable, str->sb_locktable, GFS2_LOCKNAME_LEN);
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}
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void gfs2_rindex_in(struct gfs2_rindex_host *ri, const void *buf)
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{
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const struct gfs2_rindex *str = buf;
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ri->ri_addr = be64_to_cpu(str->ri_addr);
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ri->ri_length = be32_to_cpu(str->ri_length);
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ri->ri_data0 = be64_to_cpu(str->ri_data0);
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ri->ri_data = be32_to_cpu(str->ri_data);
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ri->ri_bitbytes = be32_to_cpu(str->ri_bitbytes);
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}
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void gfs2_rindex_print(const struct gfs2_rindex_host *ri)
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{
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printk(KERN_INFO " ri_addr = %llu\n", (unsigned long long)ri->ri_addr);
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pv(ri, ri_length, "%u");
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printk(KERN_INFO " ri_data0 = %llu\n", (unsigned long long)ri->ri_data0);
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pv(ri, ri_data, "%u");
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pv(ri, ri_bitbytes, "%u");
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}
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void gfs2_rgrp_in(struct gfs2_rgrp_host *rg, const void *buf)
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{
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const struct gfs2_rgrp *str = buf;
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rg->rg_flags = be32_to_cpu(str->rg_flags);
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rg->rg_free = be32_to_cpu(str->rg_free);
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rg->rg_dinodes = be32_to_cpu(str->rg_dinodes);
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rg->rg_igeneration = be64_to_cpu(str->rg_igeneration);
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}
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void gfs2_rgrp_out(const struct gfs2_rgrp_host *rg, void *buf)
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{
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struct gfs2_rgrp *str = buf;
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str->rg_flags = cpu_to_be32(rg->rg_flags);
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str->rg_free = cpu_to_be32(rg->rg_free);
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str->rg_dinodes = cpu_to_be32(rg->rg_dinodes);
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str->__pad = cpu_to_be32(0);
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str->rg_igeneration = cpu_to_be64(rg->rg_igeneration);
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memset(&str->rg_reserved, 0, sizeof(str->rg_reserved));
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}
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void gfs2_quota_in(struct gfs2_quota_host *qu, const void *buf)
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{
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const struct gfs2_quota *str = buf;
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qu->qu_limit = be64_to_cpu(str->qu_limit);
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qu->qu_warn = be64_to_cpu(str->qu_warn);
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qu->qu_value = be64_to_cpu(str->qu_value);
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}
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void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
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{
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const struct gfs2_dinode_host *di = &ip->i_di;
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struct gfs2_dinode *str = buf;
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str->di_header.mh_magic = cpu_to_be32(GFS2_MAGIC);
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str->di_header.mh_type = cpu_to_be32(GFS2_METATYPE_DI);
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str->di_header.__pad0 = 0;
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str->di_header.mh_format = cpu_to_be32(GFS2_FORMAT_DI);
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str->di_header.__pad1 = 0;
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gfs2_inum_out(&ip->i_num, &str->di_num);
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str->di_mode = cpu_to_be32(ip->i_inode.i_mode);
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str->di_uid = cpu_to_be32(ip->i_inode.i_uid);
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str->di_gid = cpu_to_be32(ip->i_inode.i_gid);
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str->di_nlink = cpu_to_be32(ip->i_inode.i_nlink);
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str->di_size = cpu_to_be64(di->di_size);
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str->di_blocks = cpu_to_be64(di->di_blocks);
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str->di_atime = cpu_to_be64(ip->i_inode.i_atime.tv_sec);
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str->di_mtime = cpu_to_be64(ip->i_inode.i_mtime.tv_sec);
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str->di_ctime = cpu_to_be64(ip->i_inode.i_ctime.tv_sec);
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str->di_goal_meta = cpu_to_be64(di->di_goal_meta);
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str->di_goal_data = cpu_to_be64(di->di_goal_data);
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str->di_generation = cpu_to_be64(di->di_generation);
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str->di_flags = cpu_to_be32(di->di_flags);
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str->di_height = cpu_to_be16(di->di_height);
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str->di_payload_format = cpu_to_be32(S_ISDIR(ip->i_inode.i_mode) &&
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!(ip->i_di.di_flags & GFS2_DIF_EXHASH) ?
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GFS2_FORMAT_DE : 0);
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str->di_depth = cpu_to_be16(di->di_depth);
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str->di_entries = cpu_to_be32(di->di_entries);
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str->di_eattr = cpu_to_be64(di->di_eattr);
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}
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void gfs2_dinode_print(const struct gfs2_inode *ip)
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{
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const struct gfs2_dinode_host *di = &ip->i_di;
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gfs2_inum_print(&ip->i_num);
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printk(KERN_INFO " di_size = %llu\n", (unsigned long long)di->di_size);
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printk(KERN_INFO " di_blocks = %llu\n", (unsigned long long)di->di_blocks);
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printk(KERN_INFO " di_goal_meta = %llu\n", (unsigned long long)di->di_goal_meta);
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printk(KERN_INFO " di_goal_data = %llu\n", (unsigned long long)di->di_goal_data);
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pv(di, di_flags, "0x%.8X");
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pv(di, di_height, "%u");
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pv(di, di_depth, "%u");
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pv(di, di_entries, "%u");
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printk(KERN_INFO " di_eattr = %llu\n", (unsigned long long)di->di_eattr);
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}
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void gfs2_log_header_in(struct gfs2_log_header_host *lh, const void *buf)
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{
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const struct gfs2_log_header *str = buf;
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gfs2_meta_header_in(&lh->lh_header, buf);
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lh->lh_sequence = be64_to_cpu(str->lh_sequence);
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lh->lh_flags = be32_to_cpu(str->lh_flags);
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lh->lh_tail = be32_to_cpu(str->lh_tail);
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lh->lh_blkno = be32_to_cpu(str->lh_blkno);
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lh->lh_hash = be32_to_cpu(str->lh_hash);
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}
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void gfs2_inum_range_in(struct gfs2_inum_range_host *ir, const void *buf)
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{
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const struct gfs2_inum_range *str = buf;
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ir->ir_start = be64_to_cpu(str->ir_start);
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ir->ir_length = be64_to_cpu(str->ir_length);
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}
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void gfs2_inum_range_out(const struct gfs2_inum_range_host *ir, void *buf)
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{
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struct gfs2_inum_range *str = buf;
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str->ir_start = cpu_to_be64(ir->ir_start);
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str->ir_length = cpu_to_be64(ir->ir_length);
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}
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void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc, const void *buf)
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{
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const struct gfs2_statfs_change *str = buf;
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sc->sc_total = be64_to_cpu(str->sc_total);
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sc->sc_free = be64_to_cpu(str->sc_free);
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sc->sc_dinodes = be64_to_cpu(str->sc_dinodes);
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}
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void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc, void *buf)
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{
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struct gfs2_statfs_change *str = buf;
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str->sc_total = cpu_to_be64(sc->sc_total);
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str->sc_free = cpu_to_be64(sc->sc_free);
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str->sc_dinodes = cpu_to_be64(sc->sc_dinodes);
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}
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void gfs2_quota_change_in(struct gfs2_quota_change_host *qc, const void *buf)
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{
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const struct gfs2_quota_change *str = buf;
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qc->qc_change = be64_to_cpu(str->qc_change);
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qc->qc_flags = be32_to_cpu(str->qc_flags);
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qc->qc_id = be32_to_cpu(str->qc_id);
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}
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