gfs2: lookup local statfs inodes prior to journal recovery

We need to lookup the master statfs inode and the local statfs
inodes earlier in the mount process (in init_journal) so journal
recovery can use them when it attempts to recover the statfs info.
We lookup all the local statfs inodes and store them in a linked
list to allow a node to recover statfs info for other nodes in the
cluster.

Signed-off-by: Abhi Das <adas@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index e34183e02a9e..d7707307f4b1 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -697,6 +697,13 @@ struct gfs2_pcpu_lkstats {
 	struct gfs2_lkstats lkstats[10];
 };
 
+/* List of local (per node) statfs inodes */
+struct local_statfs_inode {
+	struct list_head si_list;
+	struct inode *si_sc_inode;
+	unsigned int si_jid; /* journal id this statfs inode corresponds to */
+};
+
 struct gfs2_sbd {
 	struct super_block *sd_vfs;
 	struct gfs2_pcpu_lkstats __percpu *sd_lkstats;
@@ -748,6 +755,7 @@ struct gfs2_sbd {
 	struct inode *sd_jindex;
 	struct inode *sd_statfs_inode;
 	struct inode *sd_sc_inode;
+	struct list_head sd_sc_inodes_list;
 	struct inode *sd_qc_inode;
 	struct inode *sd_rindex;
 	struct inode *sd_quota_inode;