Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

[sfrench/cifs-2.6.git] / include / linux / gfs2_ondisk.h

diff --git a/include/linux/gfs2_ondisk.h b/include/linux/gfs2_ondisk.h
index 1181da8319394e447496a999f2251965d7372c25..8b7e4c1e32ae2c8f80d2f8182e2452add7c18451 100644 (file)
--- a/include/linux/gfs2_ondisk.h
+++ b/include/linux/gfs2_ondisk.h
@@ -54,8 +54,13 @@ struct gfs2_inum {
        __be64 no_addr;
 };
 
-static inline int gfs2_inum_equal(const struct gfs2_inum *ino1,
-                                 const struct gfs2_inum *ino2)
+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;
@@ -89,6 +94,12 @@ 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
  *
@@ -128,6 +139,23 @@ struct gfs2_sb {
        /* 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
  */
@@ -145,6 +173,14 @@ struct gfs2_rindex {
        __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
  */
@@ -170,8 +206,17 @@ struct gfs2_rgrp {
        __be32 rg_flags;
        __be32 rg_free;
        __be32 rg_dinodes;
+       __be32 __pad;
+       __be64 rg_igeneration;
 
-       __u8 rg_reserved[92]; /* Several fields from gfs1 now reserved */
+       __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;
 };
 
 /*
@@ -185,6 +230,12 @@ struct gfs2_quota {
        __u8 qu_reserved[64];
 };
 
+struct gfs2_quota_host {
+       __u64 qu_limit;
+       __u64 qu_warn;
+       __u64 qu_value;
+};
+
 /*
  * dinode structure
  */
@@ -248,7 +299,7 @@ struct gfs2_dinode {
         */
        __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_... */
@@ -268,6 +319,27 @@ struct gfs2_dinode {
        __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
  */
@@ -342,6 +414,16 @@ struct gfs2_log_header {
        __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
  */
@@ -382,6 +464,11 @@ struct gfs2_inum_range {
        __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
@@ -394,6 +481,12 @@ struct gfs2_statfs_change {
        __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
@@ -408,33 +501,38 @@ struct gfs2_quota_change {
        __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(const 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_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_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_rindex_print(struct gfs2_rindex *ri);
-extern void gfs2_dinode_print(struct gfs2_dinode *di);
+extern void gfs2_rindex_print(const struct gfs2_rindex_host *ri);
+extern void gfs2_dinode_print(const struct gfs2_inode *ip);
 
 #endif /* __KERNEL__ */