LU-10496 tgt: move FMD handling from OFD to target

[fs/lustre-release.git] / lustre / obdclass / lprocfs_status_server.c

diff --git a/lustre/obdclass/lprocfs_status_server.c b/lustre/obdclass/lprocfs_status_server.c
index f878de0..224ea2c 100644 (file)
--- a/lustre/obdclass/lprocfs_status_server.c
+++ b/lustre/obdclass/lprocfs_status_server.c
@@ -384,6 +384,30 @@ int lprocfs_exp_replydata_seq_show(struct seq_file *m, void *data)
 }
 LPROC_SEQ_FOPS_RO(lprocfs_exp_replydata);
 
+int lprocfs_exp_print_fmd_count_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
+                                   struct hlist_node *hnode, void *cb_data)
+
+{
+       struct obd_export *exp = cfs_hash_object(hs, hnode);
+       struct seq_file *m = cb_data;
+       struct tg_export_data *ted = &exp->exp_target_data;
+
+       seq_printf(m, "%d\n", ted->ted_fmd_count);
+
+       return 0;
+}
+
+int lprocfs_exp_fmd_count_seq_show(struct seq_file *m, void *data)
+{
+       struct nid_stat *stats = m->private;
+       struct obd_device *obd = stats->nid_obd;
+
+       cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
+                             lprocfs_exp_print_fmd_count_seq, m);
+       return 0;
+}
+LPROC_SEQ_FOPS_RO(lprocfs_exp_fmd_count);
+
 int lprocfs_nid_stats_clear_seq_show(struct seq_file *m, void *data)
 {
        seq_puts(m, "Write into this file to clear all nid stats and stale nid entries\n");
@@ -550,6 +574,15 @@ int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid)
                GOTO(destroy_new_ns, rc);
        }
 
+       entry = lprocfs_add_simple(new_stat->nid_proc, "fmd_count", new_stat,
+                                  &lprocfs_exp_fmd_count_fops);
+       if (IS_ERR(entry)) {
+               rc = PTR_ERR(entry);
+               CWARN("%s: error adding the fmd_count file: rc = %d\n",
+                     obd->obd_name, rc);
+               GOTO(destroy_new_ns, rc);
+       }
+
        spin_lock(&exp->exp_lock);
        exp->exp_nid_stats = new_stat;
        spin_unlock(&exp->exp_lock);