b=1028

The totally non-controversial parts of my outstanding mds epoch code.

- add I/O epoch fields to the mds_body, mds_obd, and ll_inode_info
- store the epoch in the LLI after a successful open
- add a data structure, which will go into an MDS inode's i_filterdata

diff --git a/lustre/mds/mds_internal.h b/lustre/mds/mds_internal.h
index 5696e7f..0a0dccc 100644 (file)
--- a/lustre/mds/mds_internal.h
+++ b/lustre/mds/mds_internal.h
@@ -4,6 +4,13 @@
 
 #ifndef _MDS_INTERNAL_H
 #define _MDS_INTERNAL_H
+
+struct mds_filter_data {
+        __u64 io_epoch;
+};
+
+#define MDS_FILTERDATA(inode) ((struct mds_filter_data *)(inode)->i_filterdata)
+
 static inline struct mds_obd *mds_req2mds(struct ptlrpc_request *req)
 {
         return &req->rq_export->exp_obd->u.mds;