LU-2059 llog: MGC to use OSD API for backup logs

[fs/lustre-release.git] / lustre / include / lustre_log.h

diff --git a/lustre/include/lustre_log.h b/lustre/include/lustre_log.h
index e4c4bcf..708d7c8 100644 (file)
--- a/lustre/include/lustre_log.h
+++ b/lustre/include/lustre_log.h
@@ -144,7 +144,11 @@ int llog_open(const struct lu_env *env, struct llog_ctxt *ctxt,
              struct llog_handle **lgh, struct llog_logid *logid,
              char *name, enum llog_open_param open_param);
 int llog_close(const struct lu_env *env, struct llog_handle *cathandle);
              struct llog_handle **lgh, struct llog_logid *logid,
              char *name, enum llog_open_param open_param);
 int llog_close(const struct lu_env *env, struct llog_handle *cathandle);

-int llog_get_size(struct llog_handle *loghandle);
+int llog_is_empty(const struct lu_env *env, struct llog_ctxt *ctxt,
+                 char *name);
+int llog_backup(const struct lu_env *env, struct obd_device *obd,
+               struct llog_ctxt *ctxt, struct llog_ctxt *bak_ctxt,
+               char *name, char *backup);

 
 /* llog_process flags */
 #define LLOG_FLAG_NODEAMON 0x0001
 
 /* llog_process flags */
 #define LLOG_FLAG_NODEAMON 0x0001


@@ -390,6 +394,13 @@ static inline int llog_data_len(int len)
         return cfs_size_round(len);
 }
 
         return cfs_size_round(len);
 }
 

+static inline int llog_get_size(struct llog_handle *loghandle)
+{
+       if (loghandle && loghandle->lgh_hdr)
+               return loghandle->lgh_hdr->llh_count;
+       return 0;
+}
+

 static inline struct llog_ctxt *llog_ctxt_get(struct llog_ctxt *ctxt)
 {
         cfs_atomic_inc(&ctxt->loc_refcount);
 static inline struct llog_ctxt *llog_ctxt_get(struct llog_ctxt *ctxt)
 {
         cfs_atomic_inc(&ctxt->loc_refcount);