X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fldlm%2Fldlm_lockd.c;h=b29b7214d1713ebbcdedc55e627d70b54808c8fc;hp=651eebe40e881b48c4f17abac5e631b9ff6e42fa;hb=c156613b29be6fcee13d0df7008f0cd7847a5263;hpb=2ffbcc9f9ad930fee2df53238b3244b7c3e6bb91

diff --git a/lustre/ldlm/ldlm_lockd.c b/lustre/ldlm/ldlm_lockd.c
index 651eebe..b29b721 100644
--- a/lustre/ldlm/ldlm_lockd.c
+++ b/lustre/ldlm/ldlm_lockd.c
@@ -2767,6 +2767,11 @@ static int ldlm_bl_thread_main(void *arg)
 
 		if (rc == LDLM_ITER_STOP)
 			break;
+
+		/* If there are many namespaces, we will not sleep waiting for
+		 * work, and must do a cond_resched to avoid holding the CPU
+		 * for too long */
+		cond_resched();
 	}
 
 	atomic_dec(&blp->blp_num_threads);