LU-7888 obdclass: not hold global lock when lwp callback

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

diff --git a/lustre/include/obd_class.h b/lustre/include/obd_class.h
index 9e4b99d..0b72e84 100644 (file)
--- a/lustre/include/obd_class.h
+++ b/lustre/include/obd_class.h
@@ -110,7 +110,6 @@ void obd_zombie_barrier(void);
 void obd_exports_barrier(struct obd_device *obd);
 int kuc_len(int payload_len);
 struct kuc_hdr * kuc_ptr(void *p);
-int kuc_ispayload(void *p);
 void *kuc_alloc(int payload_len, int transport, int type);
 void kuc_free(void *p, int payload_len);
 int obd_get_request_slot(struct client_obd *cli);
@@ -1267,14 +1266,15 @@ static inline int obd_register_observer(struct obd_device *obd,
 }
 
 /* metadata helpers */
-static inline int md_getstatus(struct obd_export *exp, struct lu_fid *fid)
+static inline int md_get_root(struct obd_export *exp, const char *fileset,
+                             struct lu_fid *fid)
 {
        int rc;
 
        ENTRY;
-       EXP_CHECK_MD_OP(exp, getstatus);
-       EXP_MD_COUNTER_INCREMENT(exp, getstatus);
-       rc = MDP(exp->exp_obd, getstatus)(exp, fid);
+       EXP_CHECK_MD_OP(exp, get_root);
+       EXP_MD_COUNTER_INCREMENT(exp, get_root);
+       rc = MDP(exp->exp_obd, get_root)(exp, fileset, fid);
 
        RETURN(rc);
 }
@@ -1665,7 +1665,8 @@ struct lwp_register_item {
        struct obd_export **lri_exp;
        register_lwp_cb     lri_cb_func;
        void               *lri_cb_data;
-       struct list_head            lri_list;
+       struct list_head    lri_list;
+       atomic_t            lri_ref;
        char                lri_name[MTI_NAME_MAXLEN];
 };