[GFS2] split gfs2_sb

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

fs/gfs2/incore.h

@@ -450,7 +450,7 @@ struct gfs2_sbd {
 	struct super_block *sd_vfs_meta;
 	struct kobject sd_kobj;
 	unsigned long sd_flags;	/* SDF_... */
-	struct gfs2_sb sd_sb;
+	struct gfs2_sb_host sd_sb;
 
 	/* Constants computed on mount */
 

fs/gfs2/ondisk.c

@@ -79,7 +79,7 @@ static void gfs2_meta_header_print(const struct gfs2_meta_header *mh)
 	pv(mh, mh_format, "%u");
 }
 
-void gfs2_sb_in(struct gfs2_sb *sb, const void *buf)
+void gfs2_sb_in(struct gfs2_sb_host *sb, const void *buf)
 {
 	const struct gfs2_sb *str = buf;
 

fs/gfs2/super.c

@@ -97,7 +97,7 @@ void gfs2_tune_init(struct gfs2_tune *gt)
  * changed.
  */
 
-int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb *sb, int silent)
+int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb_host *sb, int silent)
 {
 	unsigned int x;
 

fs/gfs2/super.h

@@ -14,7 +14,7 @@
 
 void gfs2_tune_init(struct gfs2_tune *gt);
 
-int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb *sb, int silent);
+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);
 

include/linux/gfs2_ondisk.h

@@ -128,6 +128,26 @@ struct gfs2_sb {
 	/* In gfs1, quota and license dinodes followed */
 };
 
+struct gfs2_sb_host {
+	struct gfs2_meta_header sb_header;
+
+	__be32 sb_fs_format;
+	__be32 sb_multihost_format;
+	__u32  __pad0;	/* Was superblock flags in gfs1 */
+
+	__be32 sb_bsize;
+	__be32 sb_bsize_shift;
+	__u32 __pad1;	/* Was journal segment size in gfs1 */
+
+	struct gfs2_inum sb_master_dir; /* Was jindex dinode in gfs1 */
+	struct gfs2_inum __pad2; /* Was rindex dinode in gfs1 */
+	struct gfs2_inum 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
  */
@@ -450,7 +470,7 @@ struct gfs2_quota_change {
 
 extern void gfs2_inum_in(struct gfs2_inum *no, const void *buf);
 extern void gfs2_inum_out(const struct gfs2_inum *no, void *buf);
-extern void gfs2_sb_in(struct gfs2_sb *sb, const void *buf);
+extern void gfs2_sb_in(struct gfs2_sb_host *sb, const void *buf);
 extern void gfs2_rindex_in(struct gfs2_rindex *ri, const void *buf);
 extern void gfs2_rindex_out(const struct gfs2_rindex *ri, void *buf);
 extern void gfs2_rgrp_in(struct gfs2_rgrp *rg, const void *buf);