/*
-* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
-* Copyright (C) 2004-2005 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 v.2.
-*/
+ * 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 v.2.
+ */
#ifndef __GFS2_ONDISK_DOT_H__
#define __GFS2_ONDISK_DOT_H__
#define GFS2_FORMAT_LB 1000
#define GFS2_FORMAT_EA 1600
#define GFS2_FORMAT_ED 1700
-#define GFS2_FORMAT_UT 1300
#define GFS2_FORMAT_QC 1400
/* These are format numbers for entities contained in files */
#define GFS2_FORMAT_RI 1100
* An on-disk inode number
*/
-#define gfs2_inum_equal(ino1, ino2) \
- (((ino1)->no_formal_ino == (ino2)->no_formal_ino) && \
- ((ino1)->no_addr == (ino2)->no_addr))
-
struct gfs2_inum {
__be64 no_formal_ino;
__be64 no_addr;
};
+struct gfs2_inum_host {
+ __u64 no_formal_ino;
+ __u64 no_addr;
+};
+
+static inline int gfs2_inum_equal(const struct gfs2_inum_host *ino1,
+ const struct gfs2_inum_host *ino2)
+{
+ return ino1->no_formal_ino == ino2->no_formal_ino &&
+ ino1->no_addr == ino2->no_addr;
+}
+
/*
* Generic metadata head structure
* Every inplace buffer logged in the journal must start with this.
#define GFS2_METATYPE_LB 12
#define GFS2_METATYPE_EA 10
#define GFS2_METATYPE_ED 11
-#define GFS2_METATYPE_UT 13
#define GFS2_METATYPE_QC 14
struct gfs2_meta_header {
__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
*/
#define GFS2_BLKST_FREE 0
#define GFS2_BLKST_USED 1
-#define GFS2_BLKST_INVALID 2
+#define GFS2_BLKST_UNLINKED 2
#define GFS2_BLKST_DINODE 3
#define GFS2_RGF_JOURNAL 0x00000001
__be32 rg_flags;
__be32 rg_free;
__be32 rg_dinodes;
+ __be32 __pad;
+ __be64 rg_igeneration;
+
+ __u8 rg_reserved[80]; /* Several fields from gfs1 now reserved */
+};
- __u8 rg_reserved[92]; /* Several fields from gfs1 now reserved */
+struct gfs2_rgrp_host {
+ __u32 rg_flags;
+ __u32 rg_free;
+ __u32 rg_dinodes;
+ __u64 rg_igeneration;
};
/*
__u8 qu_reserved[64];
};
+struct gfs2_quota_host {
+ __u64 qu_limit;
+ __u64 qu_warn;
+ __u64 qu_value;
+};
+
/*
* dinode structure
*/
#define DT2IF(dt) (((dt) << 12) & S_IFMT)
#define IF2DT(sif) (((sif) & S_IFMT) >> 12)
+enum {
+ gfs2fl_Jdata = 0,
+ gfs2fl_ExHash = 1,
+ gfs2fl_Unused = 2,
+ gfs2fl_EaIndirect = 3,
+ gfs2fl_Directio = 4,
+ gfs2fl_Immutable = 5,
+ gfs2fl_AppendOnly = 6,
+ gfs2fl_NoAtime = 7,
+ gfs2fl_Sync = 8,
+ gfs2fl_System = 9,
+ gfs2fl_TruncInProg = 29,
+ gfs2fl_InheritDirectio = 30,
+ gfs2fl_InheritJdata = 31,
+};
+
/* Dinode flags */
#define GFS2_DIF_JDATA 0x00000001
#define GFS2_DIF_EXHASH 0x00000002
*/
__be64 di_goal_meta; /* rgrp to alloc from next */
__be64 di_goal_data; /* data block goal */
- __u32 __pad[2];
+ __be64 di_generation; /* generation number for NFS */
__be32 di_flags; /* GFS2_DIF_... */
__be32 di_payload_format; /* GFS2_FORMAT_... */
__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
*/
#define GFS2_EATYPE_UNUSED 0
#define GFS2_EATYPE_USR 1
#define GFS2_EATYPE_SYS 2
+#define GFS2_EATYPE_SECURITY 3
-#define GFS2_EATYPE_LAST 2
+#define GFS2_EATYPE_LAST 3
#define GFS2_EATYPE_VALID(x) ((x) <= GFS2_EATYPE_LAST)
#define GFS2_EAFLAG_LAST 0x01 /* last ea in block */
__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;
};
-/*
- * Unlinked Tag
- * Describes an allocated inode that isn't linked into
- * the directory tree and might need to be deallocated.
- */
-
-#define GFS2_UTF_UNINIT 0x00000001
-
-struct gfs2_unlinked_tag {
- struct gfs2_inum ut_inum;
- __be32 ut_flags; /* GFS2_UTF_... */
- __u32 __pad;
+struct gfs2_statfs_change_host {
+ __u64 sc_total;
+ __u64 sc_free;
+ __u64 sc_dinodes;
};
/*
__be32 qc_id;
};
+struct gfs2_quota_change_host {
+ __u64 qc_change;
+ __u32 qc_flags; /* GFS2_QCF_... */
+ __u32 qc_id;
+};
+
#ifdef __KERNEL__
/* Translation functions */
-extern void gfs2_inum_in(struct gfs2_inum *no, char *buf);
-extern void gfs2_inum_out(struct gfs2_inum *no, char *buf);
-extern void gfs2_sb_in(struct gfs2_sb *sb, char *buf);
-extern void gfs2_rindex_in(struct gfs2_rindex *ri, char *buf);
-extern void gfs2_rindex_out(struct gfs2_rindex *ri, char *buf);
-extern void gfs2_rgrp_in(struct gfs2_rgrp *rg, char *buf);
-extern void gfs2_rgrp_out(struct gfs2_rgrp *rg, char *buf);
-extern void gfs2_quota_in(struct gfs2_quota *qu, char *buf);
-extern void gfs2_quota_out(struct gfs2_quota *qu, char *buf);
-extern void gfs2_dinode_in(struct gfs2_dinode *di, char *buf);
-extern void gfs2_dinode_out(struct gfs2_dinode *di, char *buf);
-extern void gfs2_leaf_in(struct gfs2_leaf *lf, char *buf);
-extern void gfs2_ea_header_in(struct gfs2_ea_header *ea, char *buf);
-extern void gfs2_ea_header_out(struct gfs2_ea_header *ea, char *buf);
-extern void gfs2_log_header_in(struct gfs2_log_header *lh, char *buf);
-extern void gfs2_inum_range_in(struct gfs2_inum_range *ir, char *buf);
-extern void gfs2_inum_range_out(struct gfs2_inum_range *ir, char *buf);
-extern void gfs2_statfs_change_in(struct gfs2_statfs_change *sc, char *buf);
-extern void gfs2_statfs_change_out(struct gfs2_statfs_change *sc, char *buf);
-extern void gfs2_unlinked_tag_in(struct gfs2_unlinked_tag *ut, char *buf);
-extern void gfs2_unlinked_tag_out(struct gfs2_unlinked_tag *ut, char *buf);
-extern void gfs2_quota_change_in(struct gfs2_quota_change *qc, char *buf);
+extern void gfs2_inum_in(struct gfs2_inum_host *no, const void *buf);
+extern void gfs2_inum_out(const struct gfs2_inum_host *no, void *buf);
+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);
+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_inum_print(struct gfs2_inum *no);
-extern void gfs2_meta_header_print(struct gfs2_meta_header *mh);
-extern void gfs2_sb_print(struct gfs2_sb *sb);
-extern void gfs2_rindex_print(struct gfs2_rindex *ri);
-extern void gfs2_rgrp_print(struct gfs2_rgrp *rg);
-extern void gfs2_quota_print(struct gfs2_quota *qu);
-extern void gfs2_dinode_print(struct gfs2_dinode *di);
-extern void gfs2_dirent_print(struct gfs2_dirent *de, char *name);
-extern void gfs2_leaf_print(struct gfs2_leaf *lf);
-extern void gfs2_ea_header_print(struct gfs2_ea_header *ea, char *name);
-extern void gfs2_log_header_print(struct gfs2_log_header *lh);
-extern void gfs2_log_descriptor_print(struct gfs2_log_descriptor *ld);
-extern void gfs2_inum_range_print(struct gfs2_inum_range *ir);
-extern void gfs2_statfs_change_print(struct gfs2_statfs_change *sc);
-extern void gfs2_unlinked_tag_print(struct gfs2_unlinked_tag *ut);
-extern void gfs2_quota_change_print(struct gfs2_quota_change *qc);
+extern void gfs2_rindex_print(const struct gfs2_rindex_host *ri);
+extern void gfs2_dinode_print(const struct gfs2_inode *ip);
#endif /* __KERNEL__ */
git.openpandora.org / pandora-kernel.git / blobdiff