LU-56 ptlrpc: common code to validate nthreads

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

diff --git a/lustre/include/lustre_net.h b/lustre/include/lustre_net.h
index 4d8341d..0ab359f 100644 (file)
--- a/lustre/include/lustre_net.h
+++ b/lustre/include/lustre_net.h
@@ -106,6 +106,8 @@
 # endif
 #endif /* __KERNEL__ */
 
+#define PTLRPC_NTHRS_MIN       2
+
 /**
  * The following constants determine how memory is used to buffer incoming
  * service requests.
@@ -130,8 +132,8 @@
 #define LDLM_MAXREPSIZE (1024)
 
 /** Absolute limits */
-#define MDT_MIN_THREADS 2UL
 #ifndef MDT_MAX_THREADS
+#define MDT_MIN_THREADS PTLRPC_NTHRS_MIN
 #define MDT_MAX_THREADS 512UL
 #endif
 #define MDS_NBUFS       (64 * cfs_num_online_cpus())
@@ -1583,6 +1585,9 @@ struct ptlrpc_service_thr_conf {
        unsigned int                    tc_nthrs_min;
        /* max number of service threads to start */
        unsigned int                    tc_nthrs_max;
+       /* user specified threads number, it will be validated due to
+        * other members of this structure. */
+       unsigned int                    tc_nthrs_user;
        /* set NUMA node affinity for service threads */
        unsigned int                    tc_cpu_affinity;
        /* Tags for lu_context associated with service thread */