obj-$(CONFIG_GFS2_FS) += gfs2.o
gfs2-y := acl.o bmap.o daemon.o dir.o eaops.o eattr.o glock.o \
glops.o inode.o lm.o log.o lops.o locking.o main.o meta_io.o \
- mount.o ondisk.o ops_address.o ops_dentry.o ops_export.o ops_file.o \
+ mount.o ops_address.o ops_dentry.o ops_export.o ops_file.o \
ops_fstype.o ops_inode.o ops_super.o ops_vm.o quota.o \
recovery.o rgrp.o super.o sys.o trans.o util.o
for (x = 0; x < rlist.rl_rgrps; x++) {
struct gfs2_rgrpd *rgd;
rgd = rlist.rl_ghs[x].gh_gl->gl_object;
- rg_blocks += rgd->rd_ri.ri_length;
+ rg_blocks += rgd->rd_length;
}
error = gfs2_glock_nq_m(rlist.rl_rgrps, rlist.rl_ghs);
goto out_gunlock_q;
error = gfs2_trans_begin(sdp,
- sdp->sd_max_height + al->al_rgd->rd_ri.ri_length +
+ sdp->sd_max_height + al->al_rgd->rd_length +
RES_JDATA + RES_DINODE + RES_STATFS + RES_QUOTA, 0);
if (error)
goto out_ipres;
for (x = 0; x < rlist.rl_rgrps; x++) {
struct gfs2_rgrpd *rgd;
rgd = rlist.rl_ghs[x].gh_gl->gl_object;
- rg_blocks += rgd->rd_ri.ri_length;
+ rg_blocks += rgd->rd_length;
}
error = gfs2_glock_nq_m(rlist.rl_rgrps, rlist.rl_ghs);
if (error)
return error;
- error = gfs2_trans_begin(sdp, rgd->rd_ri.ri_length + RES_DINODE +
+ error = gfs2_trans_begin(sdp, rgd->rd_length + RES_DINODE +
RES_EATTR + RES_STATFS + RES_QUOTA, blks);
if (error)
goto out_gunlock;
goto out_gunlock_q;
error = gfs2_trans_begin(GFS2_SB(&ip->i_inode),
- blks + al->al_rgd->rd_ri.ri_length +
+ blks + al->al_rgd->rd_length +
RES_DINODE + RES_STATFS + RES_QUOTA, 0);
if (error)
goto out_ipres;
for (x = 0; x < rlist.rl_rgrps; x++) {
struct gfs2_rgrpd *rgd;
rgd = rlist.rl_ghs[x].gh_gl->gl_object;
- rg_blocks += rgd->rd_ri.ri_length;
+ rg_blocks += rgd->rd_length;
}
error = gfs2_glock_nq_m(rlist.rl_rgrps, rlist.rl_ghs);
typedef void (*gfs2_glop_bh_t) (struct gfs2_glock *gl, unsigned int ret);
+struct gfs2_log_header_host {
+ u64 lh_sequence; /* Sequence number of this transaction */
+ u32 lh_flags; /* GFS2_LOG_HEAD_... */
+ u32 lh_tail; /* Block number of log tail */
+ u32 lh_blkno;
+ u32 lh_hash;
+};
+
/*
* Structure of operations that are associated with each
* type of element in the log.
u32 bi_len;
};
+struct gfs2_rgrp_host {
+ u32 rg_flags;
+ u32 rg_free;
+ u32 rg_dinodes;
+ u64 rg_igeneration;
+};
+
struct gfs2_rgrpd {
struct list_head rd_list; /* Link with superblock */
struct list_head rd_list_mru;
struct list_head rd_recent; /* Recently used rgrps */
struct gfs2_glock *rd_gl; /* Glock for this rgrp */
- struct gfs2_rindex_host rd_ri;
+ u64 rd_addr; /* grp block disk address */
+ u64 rd_data0; /* first data location */
+ u32 rd_length; /* length of rgrp header in fs blocks */
+ u32 rd_data; /* num of data blocks in rgrp */
+ u32 rd_bitbytes; /* number of bytes in data bitmaps */
struct gfs2_rgrp_host rd_rg;
u64 rd_rg_vn;
struct gfs2_bitmap *rd_bits;
GIF_SW_PAGED = 3,
};
+struct gfs2_dinode_host {
+ u64 di_size; /* number of bytes in file */
+ u64 di_blocks; /* number of blocks in file */
+ u64 di_goal_meta; /* rgrp to alloc from next */
+ u64 di_goal_data; /* data block goal */
+ u64 di_generation; /* generation number for NFS */
+ u32 di_flags; /* GFS2_DIF_... */
+ u16 di_height; /* height of metadata */
+ /* These only apply to directories */
+ u16 di_depth; /* Number of bits in the table */
+ u32 di_entries; /* The number of entries in the directory */
+ u64 di_eattr; /* extended attribute block number */
+};
+
struct gfs2_inode {
struct inode i_inode;
u64 i_no_addr;
unsigned int jd_blocks;
};
+struct gfs2_statfs_change_host {
+ s64 sc_total;
+ s64 sc_free;
+ s64 sc_dinodes;
+};
+
#define GFS2_GLOCKD_DEFAULT 1
#define GFS2_GLOCKD_MAX 16
#define GFS2_FSNAME_LEN 256
+struct gfs2_inum_host {
+ u64 no_formal_ino;
+ u64 no_addr;
+};
+
+struct gfs2_sb_host {
+ u32 sb_magic;
+ u32 sb_type;
+ u32 sb_format;
+
+ u32 sb_fs_format;
+ u32 sb_multihost_format;
+ u32 sb_bsize;
+ u32 sb_bsize_shift;
+
+ struct gfs2_inum_host sb_master_dir;
+ struct gfs2_inum_host sb_root_dir;
+
+ char sb_lockproto[GFS2_LOCKNAME_LEN];
+ char sb_locktable[GFS2_LOCKNAME_LEN];
+};
+
struct gfs2_sbd {
struct super_block *sd_vfs;
struct super_block *sd_vfs_meta;
#include "trans.h"
#include "util.h"
+struct gfs2_inum_range_host {
+ u64 ir_start;
+ u64 ir_length;
+};
+
static int iget_test(struct inode *inode, void *opaque)
{
struct gfs2_inode *ip = GFS2_I(inode);
return inode ? inode : ERR_PTR(error);
}
+static 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);
+}
+
+static 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);
+}
+
static int pick_formal_ino_1(struct gfs2_sbd *sdp, u64 *formal_ino)
{
struct gfs2_inode *ip = GFS2_I(sdp->sd_ir_inode);
goto fail_quota_locks;
error = gfs2_trans_begin(sdp, sdp->sd_max_dirres +
- al->al_rgd->rd_ri.ri_length +
+ al->al_rgd->rd_length +
2 * RES_DINODE +
RES_STATFS + RES_QUOTA, 0);
if (error)
return error;
}
+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;
+ str->di_num.no_addr = cpu_to_be64(ip->i_no_addr);
+ str->di_num.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
+ 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;
+
+ printk(KERN_INFO " no_formal_ino = %llu\n",
+ (unsigned long long)ip->i_no_formal_ino);
+ printk(KERN_INFO " no_addr = %llu\n",
+ (unsigned long long)ip->i_no_addr);
+ 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);
+ printk(KERN_INFO " di_flags = 0x%.8X\n", di->di_flags);
+ printk(KERN_INFO " di_height = %u\n", di->di_height);
+ printk(KERN_INFO " di_depth = %u\n", di->di_depth);
+ printk(KERN_INFO " di_entries = %u\n", di->di_entries);
+ printk(KERN_INFO " di_eattr = %llu\n",
+ (unsigned long long)di->di_eattr);
+}
+
return ip->i_no_addr == no_addr && ip->i_no_formal_ino == no_formal_ino;
}
+static inline void gfs2_inum_out(const struct gfs2_inode *ip,
+ struct gfs2_dirent *dent)
+{
+ dent->de_inum.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
+ dent->de_inum.no_addr = cpu_to_be64(ip->i_no_addr);
+}
+
+
void gfs2_inode_attr_in(struct gfs2_inode *ip);
struct inode *gfs2_inode_lookup(struct super_block *sb, u64 no_addr, unsigned type);
struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr);
int gfs2_glock_nq_atime(struct gfs2_holder *gh);
int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr);
struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
+void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
+void gfs2_dinode_print(const struct gfs2_inode *ip);
#endif /* __INODE_DOT_H__ */
+++ /dev/null
-/*
- * 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_out(const struct gfs2_inode *ip, struct gfs2_dirent *dent)
-{
- dent->de_inum.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
- dent->de_inum.no_addr = cpu_to_be64(ip->i_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);
- sb->sb_master_dir.no_addr = be64_to_cpu(str->sb_master_dir.no_addr);
- sb->sb_master_dir.no_formal_ino = be64_to_cpu(str->sb_master_dir.no_formal_ino);
- sb->sb_root_dir.no_addr = be64_to_cpu(str->sb_root_dir.no_addr);
- sb->sb_root_dir.no_formal_ino = be64_to_cpu(str->sb_root_dir.no_formal_ino);
-
- 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_quota_out(const struct gfs2_quota_host *qu, void *buf)
-{
- struct gfs2_quota *str = buf;
-
- str->qu_limit = cpu_to_be64(qu->qu_limit);
- str->qu_warn = cpu_to_be64(qu->qu_warn);
- str->qu_value = cpu_to_be64(qu->qu_value);
- memset(&str->qu_reserved, 0, sizeof(str->qu_reserved));
-}
-
-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;
- str->di_num.no_addr = cpu_to_be64(ip->i_no_addr);
- str->di_num.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
- 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;
-
- printk(KERN_INFO " no_formal_ino = %llu\n", (unsigned long long)ip->i_no_formal_ino);
- printk(KERN_INFO " no_addr = %llu\n", (unsigned long long)ip->i_no_addr);
-
- 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);
-}
-
#include "glops.h"
#include "inode.h"
#include "ops_dentry.h"
-#include "ops_export.h"
+#include "ops_fstype.h"
#include "rgrp.h"
#include "util.h"
+#define GFS2_SMALL_FH_SIZE 4
+#define GFS2_LARGE_FH_SIZE 10
+
+struct gfs2_fh_obj {
+ struct gfs2_inum_host this;
+ u32 imode;
+};
+
static struct dentry *gfs2_decode_fh(struct super_block *sb,
__u32 *p,
int fh_len,
+++ /dev/null
-/*
- * 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.
- */
-
-#ifndef __OPS_EXPORT_DOT_H__
-#define __OPS_EXPORT_DOT_H__
-
-#define GFS2_SMALL_FH_SIZE 4
-#define GFS2_LARGE_FH_SIZE 10
-
-extern struct export_operations gfs2_export_ops;
-struct gfs2_fh_obj {
- struct gfs2_inum_host this;
- __u32 imode;
-};
-
-#endif /* __OPS_EXPORT_DOT_H__ */
#include "inode.h"
#include "lm.h"
#include "mount.h"
-#include "ops_export.h"
#include "ops_fstype.h"
#include "ops_super.h"
#include "recovery.h"
static int init_names(struct gfs2_sbd *sdp, int silent)
{
- struct page *page;
char *proto, *table;
int error = 0;
/* Try to autodetect */
if (!proto[0] || !table[0]) {
- struct gfs2_sb *sb;
- page = gfs2_read_super(sdp->sd_vfs, GFS2_SB_ADDR >> sdp->sd_fsb2bb_shift);
- if (!page)
- return -ENOBUFS;
- sb = kmap(page);
- gfs2_sb_in(&sdp->sd_sb, sb);
- kunmap(page);
- __free_page(page);
+ error = gfs2_read_super(sdp, GFS2_SB_ADDR >> sdp->sd_fsb2bb_shift);
+ if (error)
+ return error;
error = gfs2_check_sb(sdp, &sdp->sd_sb, silent);
if (error)
extern struct file_system_type gfs2_fs_type;
extern struct file_system_type gfs2meta_fs_type;
+extern struct export_operations gfs2_export_ops;
#endif /* __OPS_FSTYPE_DOT_H__ */
goto out_gunlock_q;
error = gfs2_trans_begin(sdp, sdp->sd_max_dirres +
- al->al_rgd->rd_ri.ri_length +
+ al->al_rgd->rd_length +
2 * RES_DINODE + RES_STATFS +
RES_QUOTA, 0);
if (error)
goto out_gunlock_q;
error = gfs2_trans_begin(sdp, sdp->sd_max_dirres +
- al->al_rgd->rd_ri.ri_length +
+ al->al_rgd->rd_length +
4 * RES_DINODE + 4 * RES_LEAF +
RES_STATFS + RES_QUOTA + 4, 0);
if (error)
if (error)
goto out_gunlock_q;
- error = gfs2_trans_begin(sdp, al->al_rgd->rd_ri.ri_length +
+ error = gfs2_trans_begin(sdp, al->al_rgd->rd_length +
ind_blocks + RES_DINODE +
RES_STATFS + RES_QUOTA, 0);
if (error)
#define QUOTA_USER 1
#define QUOTA_GROUP 0
+struct gfs2_quota_host {
+ u64 qu_limit;
+ u64 qu_warn;
+ s64 qu_value;
+};
+
+struct gfs2_quota_change_host {
+ u64 qc_change;
+ u32 qc_flags; /* GFS2_QCF_... */
+ u32 qc_id;
+};
+
static u64 qd2offset(struct gfs2_quota_data *qd)
{
u64 offset;
mutex_unlock(&sdp->sd_quota_mutex);
}
+static 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);
+}
+
+static void gfs2_quota_out(const struct gfs2_quota_host *qu, void *buf)
+{
+ struct gfs2_quota *str = buf;
+
+ str->qu_limit = cpu_to_be64(qu->qu_limit);
+ str->qu_warn = cpu_to_be64(qu->qu_warn);
+ str->qu_value = cpu_to_be64(qu->qu_value);
+ memset(&str->qu_reserved, 0, sizeof(str->qu_reserved));
+}
+
/**
* gfs2_adjust_quota
*
goto out_alloc;
error = gfs2_trans_begin(sdp,
- al->al_rgd->rd_ri.ri_length +
+ al->al_rgd->rd_length +
num_qd * data_blocks +
nalloc * ind_blocks +
RES_DINODE + num_qd +
return error;
}
+static 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);
+}
+
int gfs2_quota_init(struct gfs2_sbd *sdp)
{
struct gfs2_inode *ip = GFS2_I(sdp->sd_qc_inode);
}
}
+static int gfs2_log_header_in(struct gfs2_log_header_host *lh, const void *buf)
+{
+ const struct gfs2_log_header *str = buf;
+
+ if (str->lh_header.mh_magic != cpu_to_be32(GFS2_MAGIC) ||
+ str->lh_header.mh_type != cpu_to_be32(GFS2_METATYPE_LH))
+ return 1;
+
+ 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);
+ return 0;
+}
+
/**
* get_log_header - read the log header for a given segment
* @jd: the journal
sizeof(u32));
hash = crc32_le(hash, (unsigned char const *)¬hing, sizeof(nothing));
hash ^= (u32)~0;
- gfs2_log_header_in(&lh, bh->b_data);
+ error = gfs2_log_header_in(&lh, bh->b_data);
brelse(bh);
- if (lh.lh_header.mh_magic != GFS2_MAGIC ||
- lh.lh_header.mh_type != GFS2_METATYPE_LH ||
- lh.lh_blkno != blk || lh.lh_hash != hash)
+ if (error || lh.lh_blkno != blk || lh.lh_hash != hash)
return 1;
*head = lh;
{
struct gfs2_sbd *sdp = rgd->rd_sbd;
struct gfs2_bitmap *bi = NULL;
- u32 length = rgd->rd_ri.ri_length;
+ u32 length = rgd->rd_length;
u32 count[4], tmp;
int buf, x;
return;
}
- tmp = rgd->rd_ri.ri_data -
+ tmp = rgd->rd_data -
rgd->rd_rg.rg_free -
rgd->rd_rg.rg_dinodes;
if (count[1] + count[2] != tmp) {
}
-static inline int rgrp_contains_block(struct gfs2_rindex_host *ri, u64 block)
+static inline int rgrp_contains_block(struct gfs2_rgrpd *rgd, u64 block)
{
- u64 first = ri->ri_data0;
- u64 last = first + ri->ri_data;
+ u64 first = rgd->rd_data0;
+ u64 last = first + rgd->rd_data;
return first <= block && block < last;
}
spin_lock(&sdp->sd_rindex_spin);
list_for_each_entry(rgd, &sdp->sd_rindex_mru_list, rd_list_mru) {
- if (rgrp_contains_block(&rgd->rd_ri, blk)) {
+ if (rgrp_contains_block(rgd, blk)) {
list_move(&rgd->rd_list_mru, &sdp->sd_rindex_mru_list);
spin_unlock(&sdp->sd_rindex_spin);
return rgd;
mutex_unlock(&sdp->sd_rindex_mutex);
}
+static void gfs2_rindex_print(const struct gfs2_rgrpd *rgd)
+{
+ printk(KERN_INFO " ri_addr = %llu\n", (unsigned long long)rgd->rd_addr);
+ printk(KERN_INFO " ri_length = %u\n", rgd->rd_length);
+ printk(KERN_INFO " ri_data0 = %llu\n", (unsigned long long)rgd->rd_data0);
+ printk(KERN_INFO " ri_data = %u\n", rgd->rd_data);
+ printk(KERN_INFO " ri_bitbytes = %u\n", rgd->rd_bitbytes);
+}
+
/**
* gfs2_compute_bitstructs - Compute the bitmap sizes
* @rgd: The resource group descriptor
{
struct gfs2_sbd *sdp = rgd->rd_sbd;
struct gfs2_bitmap *bi;
- u32 length = rgd->rd_ri.ri_length; /* # blocks in hdr & bitmap */
+ u32 length = rgd->rd_length; /* # blocks in hdr & bitmap */
u32 bytes_left, bytes;
int x;
if (!rgd->rd_bits)
return -ENOMEM;
- bytes_left = rgd->rd_ri.ri_bitbytes;
+ bytes_left = rgd->rd_bitbytes;
for (x = 0; x < length; x++) {
bi = rgd->rd_bits + x;
} else if (x + 1 == length) {
bytes = bytes_left;
bi->bi_offset = sizeof(struct gfs2_meta_header);
- bi->bi_start = rgd->rd_ri.ri_bitbytes - bytes_left;
+ bi->bi_start = rgd->rd_bitbytes - bytes_left;
bi->bi_len = bytes;
/* other blocks */
} else {
bytes = sdp->sd_sb.sb_bsize -
sizeof(struct gfs2_meta_header);
bi->bi_offset = sizeof(struct gfs2_meta_header);
- bi->bi_start = rgd->rd_ri.ri_bitbytes - bytes_left;
+ bi->bi_start = rgd->rd_bitbytes - bytes_left;
bi->bi_len = bytes;
}
return -EIO;
}
bi = rgd->rd_bits + (length - 1);
- if ((bi->bi_start + bi->bi_len) * GFS2_NBBY != rgd->rd_ri.ri_data) {
+ if ((bi->bi_start + bi->bi_len) * GFS2_NBBY != rgd->rd_data) {
if (gfs2_consist_rgrpd(rgd)) {
- gfs2_rindex_print(&rgd->rd_ri);
+ gfs2_rindex_print(rgd);
fs_err(sdp, "start=%u len=%u offset=%u\n",
bi->bi_start, bi->bi_len, bi->bi_offset);
}
}
/**
+\0
* gfs2_ri_total - Total up the file system space, according to the rindex.
*
*/
u64 total_data = 0;
struct inode *inode = sdp->sd_rindex;
struct gfs2_inode *ip = GFS2_I(inode);
- struct gfs2_rindex_host ri;
char buf[sizeof(struct gfs2_rindex)];
struct file_ra_state ra_state;
int error, rgrps;
sizeof(struct gfs2_rindex));
if (error != sizeof(struct gfs2_rindex))
break;
- gfs2_rindex_in(&ri, buf);
- total_data += ri.ri_data;
+ total_data += be32_to_cpu(((struct gfs2_rindex *)buf)->ri_data);
}
mutex_unlock(&sdp->sd_rindex_mutex);
return total_data;
}
+static void gfs2_rindex_in(struct gfs2_rgrpd *rgd, const void *buf)
+{
+ const struct gfs2_rindex *str = buf;
+
+ rgd->rd_addr = be64_to_cpu(str->ri_addr);
+ rgd->rd_length = be32_to_cpu(str->ri_length);
+ rgd->rd_data0 = be64_to_cpu(str->ri_data0);
+ rgd->rd_data = be32_to_cpu(str->ri_data);
+ rgd->rd_bitbytes = be32_to_cpu(str->ri_bitbytes);
+}
+
/**
* read_rindex_entry - Pull in a new resource index entry from the disk
* @gl: The glock covering the rindex inode
list_add_tail(&rgd->rd_list, &sdp->sd_rindex_list);
list_add_tail(&rgd->rd_list_mru, &sdp->sd_rindex_mru_list);
- gfs2_rindex_in(&rgd->rd_ri, buf);
+ gfs2_rindex_in(rgd, buf);
error = compute_bitstructs(rgd);
if (error)
return error;
- error = gfs2_glock_get(sdp, rgd->rd_ri.ri_addr,
+ error = gfs2_glock_get(sdp, rgd->rd_addr,
&gfs2_rgrp_glops, CREATE, &rgd->rd_gl);
if (error)
return error;
return error;
}
+static 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);
+}
+
+static 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));
+}
+
/**
* gfs2_rgrp_bh_get - Read in a RG's header and bitmaps
* @rgd: the struct gfs2_rgrpd describing the RG to read in
{
struct gfs2_sbd *sdp = rgd->rd_sbd;
struct gfs2_glock *gl = rgd->rd_gl;
- unsigned int length = rgd->rd_ri.ri_length;
+ unsigned int length = rgd->rd_length;
struct gfs2_bitmap *bi;
unsigned int x, y;
int error;
for (x = 0; x < length; x++) {
bi = rgd->rd_bits + x;
- error = gfs2_meta_read(gl, rgd->rd_ri.ri_addr + x, 0, &bi->bi_bh);
+ error = gfs2_meta_read(gl, rgd->rd_addr + x, 0, &bi->bi_bh);
if (error)
goto fail;
}
void gfs2_rgrp_bh_put(struct gfs2_rgrpd *rgd)
{
struct gfs2_sbd *sdp = rgd->rd_sbd;
- int x, length = rgd->rd_ri.ri_length;
+ int x, length = rgd->rd_length;
spin_lock(&sdp->sd_rindex_spin);
gfs2_assert_warn(rgd->rd_sbd, rgd->rd_bh_count);
void gfs2_rgrp_repolish_clones(struct gfs2_rgrpd *rgd)
{
struct gfs2_sbd *sdp = rgd->rd_sbd;
- unsigned int length = rgd->rd_ri.ri_length;
+ unsigned int length = rgd->rd_length;
unsigned int x;
for (x = 0; x < length; x++) {
goto first;
list_for_each_entry(rgd, &sdp->sd_rindex_recent_list, rd_recent) {
- if (rgd->rd_ri.ri_addr == rglast)
+ if (rgd->rd_addr == rglast)
goto out;
}
}
out:
- ip->i_last_rg_alloc = rgd->rd_ri.ri_addr;
+ ip->i_last_rg_alloc = rgd->rd_addr;
if (begin) {
recent_rgrp_add(rgd);
unsigned int buf;
unsigned char type;
- length = rgd->rd_ri.ri_length;
- rgrp_block = block - rgd->rd_ri.ri_data0;
+ length = rgd->rd_length;
+ rgrp_block = block - rgd->rd_data0;
for (buf = 0; buf < length; buf++) {
bi = rgd->rd_bits + buf;
unsigned char old_state, unsigned char new_state)
{
struct gfs2_bitmap *bi = NULL;
- u32 length = rgd->rd_ri.ri_length;
+ u32 length = rgd->rd_length;
u32 blk = 0;
unsigned int buf, x;
return NULL;
}
- length = rgd->rd_ri.ri_length;
+ length = rgd->rd_length;
- rgrp_blk = bstart - rgd->rd_ri.ri_data0;
+ rgrp_blk = bstart - rgd->rd_data0;
while (blen--) {
for (buf = 0; buf < length; buf++) {
u32 goal, blk;
u64 block;
- if (rgrp_contains_block(&rgd->rd_ri, ip->i_di.di_goal_data))
- goal = ip->i_di.di_goal_data - rgd->rd_ri.ri_data0;
+ if (rgrp_contains_block(rgd, ip->i_di.di_goal_data))
+ goal = ip->i_di.di_goal_data - rgd->rd_data0;
else
goal = rgd->rd_last_alloc_data;
blk = rgblk_search(rgd, goal, GFS2_BLKST_FREE, GFS2_BLKST_USED);
rgd->rd_last_alloc_data = blk;
- block = rgd->rd_ri.ri_data0 + blk;
+ block = rgd->rd_data0 + blk;
ip->i_di.di_goal_data = block;
gfs2_assert_withdraw(sdp, rgd->rd_rg.rg_free);
u32 goal, blk;
u64 block;
- if (rgrp_contains_block(&rgd->rd_ri, ip->i_di.di_goal_meta))
- goal = ip->i_di.di_goal_meta - rgd->rd_ri.ri_data0;
+ if (rgrp_contains_block(rgd, ip->i_di.di_goal_meta))
+ goal = ip->i_di.di_goal_meta - rgd->rd_data0;
else
goal = rgd->rd_last_alloc_meta;
blk = rgblk_search(rgd, goal, GFS2_BLKST_FREE, GFS2_BLKST_USED);
rgd->rd_last_alloc_meta = blk;
- block = rgd->rd_ri.ri_data0 + blk;
+ block = rgd->rd_data0 + blk;
ip->i_di.di_goal_meta = block;
gfs2_assert_withdraw(sdp, rgd->rd_rg.rg_free);
rgd->rd_last_alloc_meta = blk;
- block = rgd->rd_ri.ri_data0 + blk;
+ block = rgd->rd_data0 + blk;
gfs2_assert_withdraw(sdp, rgd->rd_rg.rg_free);
rgd->rd_rg.rg_free--;
{
unsigned int x;
- if (sb->sb_header.mh_magic != GFS2_MAGIC ||
- sb->sb_header.mh_type != GFS2_METATYPE_SB) {
+ if (sb->sb_magic != GFS2_MAGIC ||
+ sb->sb_type != GFS2_METATYPE_SB) {
if (!silent)
printk(KERN_WARNING "GFS2: not a GFS2 filesystem\n");
return -EINVAL;
return 0;
}
+static void gfs2_sb_in(struct gfs2_sb_host *sb, const void *buf)
+{
+ const struct gfs2_sb *str = buf;
+
+ sb->sb_magic = be32_to_cpu(str->sb_header.mh_magic);
+ sb->sb_type = be32_to_cpu(str->sb_header.mh_type);
+ sb->sb_format = be32_to_cpu(str->sb_header.mh_format);
+ 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);
+ sb->sb_master_dir.no_addr = be64_to_cpu(str->sb_master_dir.no_addr);
+ sb->sb_master_dir.no_formal_ino = be64_to_cpu(str->sb_master_dir.no_formal_ino);
+ sb->sb_root_dir.no_addr = be64_to_cpu(str->sb_root_dir.no_addr);
+ sb->sb_root_dir.no_formal_ino = be64_to_cpu(str->sb_root_dir.no_formal_ino);
+
+ memcpy(sb->sb_lockproto, str->sb_lockproto, GFS2_LOCKNAME_LEN);
+ memcpy(sb->sb_locktable, str->sb_locktable, GFS2_LOCKNAME_LEN);
+}
+
/**
* gfs2_read_super - Read the gfs2 super block from disk
- * @sb: The VFS super block
+ * @sdp: The GFS2 super block
* @sector: The location of the super block
+ * @error: The error code to return
*
* This uses the bio functions to read the super block from disk
* because we want to be 100% sure that we never read cached data.
* the master directory (contains pointers to journals etc) and the
* root directory.
*
- * Returns: A page containing the sb or NULL
+ * Returns: 0 on success or error
*/
-struct page *gfs2_read_super(struct super_block *sb, sector_t sector)
+int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector)
{
+ struct super_block *sb = sdp->sd_vfs;
+ struct gfs2_sb *p;
struct page *page;
struct bio *bio;
page = alloc_page(GFP_KERNEL);
if (unlikely(!page))
- return NULL;
+ return -ENOBUFS;
ClearPageUptodate(page);
ClearPageDirty(page);
bio = bio_alloc(GFP_KERNEL, 1);
if (unlikely(!bio)) {
__free_page(page);
- return NULL;
+ return -ENOBUFS;
}
bio->bi_sector = sector * (sb->s_blocksize >> 9);
bio_put(bio);
if (!PageUptodate(page)) {
__free_page(page);
- return NULL;
+ return -EIO;
}
- return page;
+ p = kmap(page);
+ gfs2_sb_in(&sdp->sd_sb, p);
+ kunmap(page);
+ __free_page(page);
+ return 0;
}
/**
u32 tmp_blocks;
unsigned int x;
int error;
- struct page *page;
- char *sb;
- page = gfs2_read_super(sdp->sd_vfs, GFS2_SB_ADDR >> sdp->sd_fsb2bb_shift);
- if (!page) {
+ error = gfs2_read_super(sdp, GFS2_SB_ADDR >> sdp->sd_fsb2bb_shift);
+ if (error) {
if (!silent)
fs_err(sdp, "can't read superblock\n");
- return -EIO;
+ return error;
}
- sb = kmap(page);
- gfs2_sb_in(&sdp->sd_sb, sb);
- kunmap(page);
- __free_page(page);
error = gfs2_check_sb(sdp, &sdp->sd_sb, silent);
if (error)
return error;
}
+static 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);
+}
+
+static 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);
+}
+
int gfs2_statfs_init(struct gfs2_sbd *sdp)
{
struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
struct gfs2_statfs_change_host *sc)
{
gfs2_rgrp_verify(rgd);
- sc->sc_total += rgd->rd_ri.ri_data;
+ sc->sc_total += rgd->rd_data;
sc->sc_free += rgd->rd_rg.rg_free;
sc->sc_dinodes += rgd->rd_rg.rg_dinodes;
return 0;
int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb_host *sb, int silent);
int gfs2_read_sb(struct gfs2_sbd *sdp, struct gfs2_glock *gl, int silent);
-struct page *gfs2_read_super(struct super_block *sb, sector_t sector);
+int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector);
static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
{
"GFS2: fsid=%s: RG = %llu\n"
"GFS2: fsid=%s: function = %s, file = %s, line = %u\n",
sdp->sd_fsname,
- sdp->sd_fsname, (unsigned long long)rgd->rd_ri.ri_addr,
+ sdp->sd_fsname, (unsigned long long)rgd->rd_addr,
sdp->sd_fsname, function, file, line);
return rv;
}
__be64 no_addr;
};
-struct gfs2_inum_host {
- __u64 no_formal_ino;
- __u64 no_addr;
-};
-
/*
* Generic metadata head structure
* Every inplace buffer logged in the journal must start with this.
__be32 __pad1; /* Was incarnation number in gfs1 */
};
-struct gfs2_meta_header_host {
- __u32 mh_magic;
- __u32 mh_type;
- __u32 mh_format;
-};
-
/*
* super-block structure
*
/* In gfs1, quota and license dinodes followed */
};
-struct gfs2_sb_host {
- struct gfs2_meta_header_host sb_header;
-
- __u32 sb_fs_format;
- __u32 sb_multihost_format;
-
- __u32 sb_bsize;
- __u32 sb_bsize_shift;
-
- struct gfs2_inum_host sb_master_dir; /* Was jindex dinode in gfs1 */
- struct gfs2_inum_host sb_root_dir;
-
- char sb_lockproto[GFS2_LOCKNAME_LEN];
- char sb_locktable[GFS2_LOCKNAME_LEN];
- /* In gfs1, quota and license dinodes followed */
-};
-
/*
* resource index structure
*/
__u8 ri_reserved[64];
};
-struct gfs2_rindex_host {
- __u64 ri_addr; /* grp block disk address */
- __u64 ri_data0; /* first data location */
- __u32 ri_length; /* length of rgrp header in fs blocks */
- __u32 ri_data; /* num of data blocks in rgrp */
- __u32 ri_bitbytes; /* number of bytes in data bitmaps */
-};
-
/*
* resource group header structure
*/
__u8 rg_reserved[80]; /* Several fields from gfs1 now reserved */
};
-struct gfs2_rgrp_host {
- __u32 rg_flags;
- __u32 rg_free;
- __u32 rg_dinodes;
- __u64 rg_igeneration;
-};
-
/*
* quota structure
*/
__u8 qu_reserved[64];
};
-struct gfs2_quota_host {
- __u64 qu_limit;
- __u64 qu_warn;
- __u64 qu_value;
-};
-
/*
* dinode structure
*/
__u8 di_reserved[56];
};
-struct gfs2_dinode_host {
- __u64 di_size; /* number of bytes in file */
- __u64 di_blocks; /* number of blocks in file */
-
- /* This section varies from gfs1. Padding added to align with
- * remainder of dinode
- */
- __u64 di_goal_meta; /* rgrp to alloc from next */
- __u64 di_goal_data; /* data block goal */
- __u64 di_generation; /* generation number for NFS */
-
- __u32 di_flags; /* GFS2_DIF_... */
- __u16 di_height; /* height of metadata */
-
- /* These only apply to directories */
- __u16 di_depth; /* Number of bits in the table */
- __u32 di_entries; /* The number of entries in the directory */
-
- __u64 di_eattr; /* extended attribute block number */
-};
-
/*
* directory structure - many of these per directory file
*/
__be32 lh_hash;
};
-struct gfs2_log_header_host {
- struct gfs2_meta_header_host lh_header;
-
- __u64 lh_sequence; /* Sequence number of this transaction */
- __u32 lh_flags; /* GFS2_LOG_HEAD_... */
- __u32 lh_tail; /* Block number of log tail */
- __u32 lh_blkno;
- __u32 lh_hash;
-};
-
/*
* Log type descriptor
*/
__be64 ir_length;
};
-struct gfs2_inum_range_host {
- __u64 ir_start;
- __u64 ir_length;
-};
-
/*
* Statfs change
* Describes an change to the pool of free and allocated
__be64 sc_dinodes;
};
-struct gfs2_statfs_change_host {
- __u64 sc_total;
- __u64 sc_free;
- __u64 sc_dinodes;
-};
-
/*
* Quota change
* Describes an allocation change for a particular
__be32 qc_id;
};
-struct gfs2_quota_change_host {
- __u64 qc_change;
- __u32 qc_flags; /* GFS2_QCF_... */
- __u32 qc_id;
-};
-
struct gfs2_quota_lvb {
__be32 qb_magic;
__u32 __pad;
__be64 qb_value; /* Current # blocks allocated */
};
-#ifdef __KERNEL__
-/* Translation functions */
-struct gfs2_inode;
-
-extern void gfs2_inum_out(const struct gfs2_inode *ip, struct gfs2_dirent *dent);
-extern void gfs2_sb_in(struct gfs2_sb_host *sb, const void *buf);
-extern void gfs2_rindex_in(struct gfs2_rindex_host *ri, const void *buf);
-extern void gfs2_rindex_out(const struct gfs2_rindex_host *ri, void *buf);
-extern void gfs2_rgrp_in(struct gfs2_rgrp_host *rg, const void *buf);
-extern void gfs2_rgrp_out(const struct gfs2_rgrp_host *rg, void *buf);
-extern void gfs2_quota_in(struct gfs2_quota_host *qu, const void *buf);
-extern void gfs2_quota_out(const struct gfs2_quota_host *qu, void *buf);
-struct gfs2_inode;
-extern void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
-extern void gfs2_ea_header_in(struct gfs2_ea_header *ea, const void *buf);
-extern void gfs2_ea_header_out(const struct gfs2_ea_header *ea, void *buf);
-extern void gfs2_log_header_in(struct gfs2_log_header_host *lh, const void *buf);
-extern void gfs2_inum_range_in(struct gfs2_inum_range_host *ir, const void *buf);
-extern void gfs2_inum_range_out(const struct gfs2_inum_range_host *ir, void *buf);
-extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc, const void *buf);
-extern void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc, void *buf);
-extern void gfs2_quota_change_in(struct gfs2_quota_change_host *qc, const void *buf);
-
-/* Printing functions */
-
-extern void gfs2_rindex_print(const struct gfs2_rindex_host *ri);
-extern void gfs2_dinode_print(const struct gfs2_inode *ip);
-
-#endif /* __KERNEL__ */
-
#endif /* __GFS2_ONDISK_DOT_H__ */
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff