LU-10181 mds: init cpt params for mdt IO service

[fs/lustre-release.git] / lustre / mdt / mdt_mds.c

diff --git a/lustre/mdt/mdt_mds.c b/lustre/mdt/mdt_mds.c
index 0154081..99db6e5 100644 (file)
--- a/lustre/mdt/mdt_mds.c
+++ b/lustre/mdt/mdt_mds.c
@@ -79,6 +79,13 @@ int mds_max_io_threads = 512;
 module_param(mds_max_io_threads, int, 0444);
 MODULE_PARM_DESC(mds_max_io_threads, "maximum number of MDS IO service threads");
 
+static char *mds_io_num_cpts;
+module_param(mds_io_num_cpts, charp, 0444);
+MODULE_PARM_DESC(mds_io_num_cpts,
+                "CPU partitions MDS IO threads should run on");
+
+static struct cfs_cpt_table *mdt_io_cptable;
+
 static char *mds_num_cpts;
 module_param(mds_num_cpts, charp, 0444);
 MODULE_PARM_DESC(mds_num_cpts, "CPU partitions MDS threads should run on");
@@ -144,6 +151,11 @@ static void mds_stop_ptlrpc_service(struct mds_device *m)
        }
        mutex_unlock(&m->mds_health_mutex);
 
+       if (mdt_io_cptable != NULL) {
+               cfs_cpt_table_free(mdt_io_cptable);
+               mdt_io_cptable = NULL;
+       }
+
        EXIT;
 }
 
@@ -151,7 +163,9 @@ static int mds_start_ptlrpc_service(struct mds_device *m)
 {
        static struct ptlrpc_service_conf conf;
        struct obd_device *obd = m->mds_md_dev.md_lu_dev.ld_obd;
+       nodemask_t *mask;
        int rc = 0;
+
        ENTRY;
 
        conf = (typeof(conf)) {
@@ -444,6 +458,32 @@ static int mds_start_ptlrpc_service(struct mds_device *m)
                GOTO(err_mds_svc, rc);
        }
 
+
+       mask = cfs_cpt_nodemask(cfs_cpt_table, CFS_CPT_ANY);
+       /* event CPT feature is disabled in libcfs level by set partition
+        * number to 1, we still want to set node affinity for io service */
+       if (cfs_cpt_number(cfs_cpt_table) == 1 && nodes_weight(*mask) > 1) {
+               int cpt = 0;
+               int i;
+
+               mdt_io_cptable = cfs_cpt_table_alloc(nodes_weight(*mask));
+               for_each_node_mask(i, *mask) {
+                       if (mdt_io_cptable == NULL) {
+                               CWARN("MDS failed to create CPT table\n");
+                               break;
+                       }
+
+                       rc = cfs_cpt_set_node(mdt_io_cptable, cpt++, i);
+                       if (!rc) {
+                               CWARN("MDS Failed to set node %d for"
+                                     "IO CPT table\n", i);
+                               cfs_cpt_table_free(mdt_io_cptable);
+                               mdt_io_cptable = NULL;
+                               break;
+                       }
+               }
+       }
+
        memset(&conf, 0, sizeof(conf));
        conf = (typeof(conf)) {
                .psc_name               = LUSTRE_MDT_NAME "_io",
@@ -457,14 +497,20 @@ static int mds_start_ptlrpc_service(struct mds_device *m)
                        .bc_rep_portal          = MDC_REPLY_PORTAL,
                },
                .psc_thr                = {
-                       .tc_thr_name            = "ll_mdt_io",
+                       .tc_thr_name            = LUSTRE_MDT_NAME "_io",
                        .tc_thr_factor          = OSS_THR_FACTOR,
                        .tc_nthrs_init          = OSS_NTHRS_INIT,
                        .tc_nthrs_base          = OSS_NTHRS_BASE,
                        .tc_nthrs_max           = mds_max_io_threads,
+                       .tc_nthrs_user          = mds_num_threads,
                        .tc_cpu_affinity        = 1,
                        .tc_ctx_tags            = LCT_DT_THREAD | LCT_MD_THREAD,
                },
+               .psc_cpt                = {
+                       .cc_cptable             = mdt_io_cptable,
+                       .cc_pattern             = mdt_io_cptable == NULL ?
+                                                 mds_io_num_cpts : NULL,
+               },
                .psc_ops                = {
                        .so_thr_init            = tgt_io_thread_init,
                        .so_thr_done            = tgt_io_thread_done,