X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fgfs2%2Fondisk.c;fp=fs%2Fgfs2%2Fondisk.c;h=d9ecfd23a49e339e1b74bdc0dc5aab9f3f38fcfb;hb=76828883507a47dae78837ab5dec5a5b4513c667;hp=0000000000000000000000000000000000000000;hpb=64ba3f394c830ec48a1c31b53dcae312c56f1604;p=linux-2.6.git diff --git a/fs/gfs2/ondisk.c b/fs/gfs2/ondisk.c new file mode 100644 index 000000000..d9ecfd23a --- /dev/null +++ b/fs/gfs2/ondisk.c @@ -0,0 +1,251 @@ +/* + * 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 +#include +#include +#include + +#include "gfs2.h" +#include +#include +#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); +} +