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