1 files changed, 15 insertions, 30 deletions

diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c
index 39fcdacc51ed..c9aae132f98a 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c
@@ -95,20 +95,12 @@ ldlm_flocks_overlap(struct ldlm_lock *lock, struct ldlm_lock *new)
 		lock->l_policy_data.l_flock.start));
 }
 
-static inline int ldlm_flock_blocking_link(struct ldlm_lock *req,
-					   struct ldlm_lock *lock)
+static inline void ldlm_flock_blocking_link(struct ldlm_lock *req,
+					    struct ldlm_lock *lock)
 {
-	int rc = 0;
-
 	/* For server only */
 	if (req->l_export == NULL)
-		return 0;
-
-	if (unlikely(req->l_export->exp_flock_hash == NULL)) {
-		rc = ldlm_init_flock_export(req->l_export);
-		if (rc)
-			goto error;
-	}
+		return;
 
 	LASSERT(hlist_unhashed(&req->l_exp_flock_hash));
 
@@ -121,8 +113,6 @@ static inline int ldlm_flock_blocking_link(struct ldlm_lock *req,
 	cfs_hash_add(req->l_export->exp_flock_hash,
 		     &req->l_policy_data.l_flock.owner,
 		     &req->l_exp_flock_hash);
-error:
-	return rc;
 }
 
 static inline void ldlm_flock_blocking_unlink(struct ldlm_lock *req)
@@ -250,7 +240,6 @@ ldlm_process_flock_lock(struct ldlm_lock *req, __u64 *flags, int first_enq,
 	int overlaps = 0;
 	int splitted = 0;
 	const struct ldlm_callback_suite null_cbs = { NULL };
-	int rc;
 
 	CDEBUG(D_DLMTRACE, "flags %#llx owner "LPU64" pid %u mode %u start "
 	       LPU64" end "LPU64"\n", *flags,
@@ -328,12 +317,8 @@ reprocess:
 
 			/* add lock to blocking list before deadlock
 			 * check to prevent race */
-			rc = ldlm_flock_blocking_link(req, lock);
-			if (rc) {
-				ldlm_flock_destroy(req, mode, *flags);
-				*err = rc;
-				return LDLM_ITER_STOP;
-			}
+			ldlm_flock_blocking_link(req, lock);
+
 			if (ldlm_flock_deadlock(req, lock)) {
 				ldlm_flock_blocking_unlink(req);
 				ldlm_flock_destroy(req, mode, *flags);
@@ -665,23 +650,20 @@ granted:
 		/* fcntl(F_GETLK) request */
 		/* The old mode was saved in getlk->fl_type so that if the mode
 		 * in the lock changes we can decref the appropriate refcount.*/
-		ldlm_flock_destroy(lock, flock_type(getlk),
-				   LDLM_FL_WAIT_NOREPROC);
+		ldlm_flock_destroy(lock, getlk->fl_type, LDLM_FL_WAIT_NOREPROC);
 		switch (lock->l_granted_mode) {
 		case LCK_PR:
-			flock_set_type(getlk, F_RDLCK);
+			getlk->fl_type = F_RDLCK;
 			break;
 		case LCK_PW:
-			flock_set_type(getlk, F_WRLCK);
+			getlk->fl_type = F_WRLCK;
 			break;
 		default:
-			flock_set_type(getlk, F_UNLCK);
+			getlk->fl_type = F_UNLCK;
 		}
-		flock_set_pid(getlk, (pid_t)lock->l_policy_data.l_flock.pid);
-		flock_set_start(getlk,
-				(loff_t)lock->l_policy_data.l_flock.start);
-		flock_set_end(getlk,
-			      (loff_t)lock->l_policy_data.l_flock.end);
+		getlk->fl_pid = (pid_t)lock->l_policy_data.l_flock.pid;
+		getlk->fl_start = (loff_t)lock->l_policy_data.l_flock.start;
+		getlk->fl_end = (loff_t)lock->l_policy_data.l_flock.end;
 	} else {
 		__u64 noreproc = LDLM_FL_WAIT_NOREPROC;
 
@@ -816,6 +798,9 @@ static cfs_hash_ops_t ldlm_export_flock_ops = {
 
 int ldlm_init_flock_export(struct obd_export *exp)
 {
+	if (strcmp(exp->exp_obd->obd_type->typ_name, LUSTRE_MDT_NAME) != 0)
+		return 0;
+
 	exp->exp_flock_hash =
 		cfs_hash_create(obd_uuid2str(&exp->exp_client_uuid),
 				HASH_EXP_LOCK_CUR_BITS,