[GFS2] split and annotate gfs2_rgrp

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

fs/gfs2/incore.h

@@ -68,7 +68,7 @@ struct gfs2_rgrpd {
 	struct list_head rd_recent;	/* Recently used rgrps */
 	struct gfs2_glock *rd_gl;	/* Glock for this rgrp */
 	struct gfs2_rindex rd_ri;
-	struct gfs2_rgrp rd_rg;
+	struct gfs2_rgrp_host rd_rg;
 	u64 rd_rg_vn;
 	struct gfs2_bitmap *rd_bits;
 	unsigned int rd_bh_count;

fs/gfs2/ondisk.c

@@ -120,7 +120,7 @@ void gfs2_rindex_print(const struct gfs2_rindex *ri)
 	pv(ri, ri_bitbytes, "%u");
 }
 
-void gfs2_rgrp_in(struct gfs2_rgrp *rg, const void *buf)
+void gfs2_rgrp_in(struct gfs2_rgrp_host *rg, const void *buf)
 {
 	const struct gfs2_rgrp *str = buf;
 
@@ -131,7 +131,7 @@ void gfs2_rgrp_in(struct gfs2_rgrp *rg, const void *buf)
 	rg->rg_igeneration = be64_to_cpu(str->rg_igeneration);
 }
 
-void gfs2_rgrp_out(const struct gfs2_rgrp *rg, void *buf)
+void gfs2_rgrp_out(const struct gfs2_rgrp_host *rg, void *buf)
 {
 	struct gfs2_rgrp *str = buf;
 

include/linux/gfs2_ondisk.h

@@ -193,6 +193,15 @@ struct gfs2_rgrp {
 	__u8 rg_reserved[80]; /* Several fields from gfs1 now reserved */
 };
 
+struct gfs2_rgrp_host {
+	struct gfs2_meta_header rg_header;
+
+	__u32 rg_flags;
+	__u32 rg_free;
+	__u32 rg_dinodes;
+	__u64 rg_igeneration;
+};
+
 /*
  * quota structure
  */
@@ -470,8 +479,8 @@ extern void gfs2_inum_out(const struct gfs2_inum *no, 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);
-extern void gfs2_rgrp_out(const struct gfs2_rgrp *rg, 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 *qu, const void *buf);
 extern void gfs2_quota_out(const struct gfs2_quota *qu, void *buf);
 extern void gfs2_dinode_in(struct gfs2_dinode_host *di, const void *buf);