gfs2: Add fields for statfs info in struct gfs2_log_header_host

And read these in __get_log_header() from the log header.
Also make gfs2_statfs_change_out() non-static so it can be used
outside of super.c
Signed-off-by: Abhi Das <adas@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

fs/gfs2/incore.h

@@ -41,6 +41,10 @@ struct gfs2_log_header_host {
 	u32 lh_flags;		/* GFS2_LOG_HEAD_... */
 	u32 lh_tail;		/* Block number of log tail */
 	u32 lh_blkno;
+
+	s64 lh_local_total;
+	s64 lh_local_free;
+	s64 lh_local_dinodes;
 };
 
 /*

fs/gfs2/recovery.c

@@ -144,6 +144,10 @@ int __get_log_header(struct gfs2_sbd *sdp, const struct gfs2_log_header *lh,
 	head->lh_tail = be32_to_cpu(lh->lh_tail);
 	head->lh_blkno = be32_to_cpu(lh->lh_blkno);
 
+	head->lh_local_total = be64_to_cpu(lh->lh_local_total);
+	head->lh_local_free = be64_to_cpu(lh->lh_local_free);
+	head->lh_local_dinodes = be64_to_cpu(lh->lh_local_dinodes);
+
 	return 0;
 }
 /**

fs/gfs2/super.c

@@ -230,7 +230,7 @@ void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc, const void *buf)
 	sc->sc_dinodes = be64_to_cpu(str->sc_dinodes);
 }
 
-static void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc, void *buf)
+void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc, void *buf)
 {
 	struct gfs2_statfs_change *str = buf;
 

fs/gfs2/super.h

@@ -37,6 +37,8 @@ extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
 			       s64 dinodes);
 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 update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
 			  struct buffer_head *l_bh);
 extern int gfs2_statfs_sync(struct super_block *sb, int type);