LU-5319 mdc: add max modify RPCs in flight variable

[fs/lustre-release.git] / lustre / mdc / lproc_mdc.c

diff --git a/lustre/mdc/lproc_mdc.c b/lustre/mdc/lproc_mdc.c
index 10eaf93..c5cb9d8 100644 (file)
--- a/lustre/mdc/lproc_mdc.c
+++ b/lustre/mdc/lproc_mdc.c
@@ -76,6 +76,44 @@ static ssize_t mdc_max_rpcs_in_flight_seq_write(struct file *file,
 }
 LPROC_SEQ_FOPS(mdc_max_rpcs_in_flight);
 
+
+static int mdc_max_mod_rpcs_in_flight_seq_show(struct seq_file *m, void *v)
+{
+       struct obd_device *dev = m->private;
+       __u16 max;
+       int rc;
+
+       max = obd_get_max_mod_rpcs_in_flight(&dev->u.cli);
+       rc = seq_printf(m, "%hu\n", max);
+
+       return rc;
+}
+
+static ssize_t mdc_max_mod_rpcs_in_flight_seq_write(struct file *file,
+                                                   const char *buffer,
+                                                   size_t count,
+                                                   loff_t *off)
+{
+       struct obd_device *dev =
+                       ((struct seq_file *)file->private_data)->private;
+       int val;
+       int rc;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc != 0)
+               return rc;
+
+       if (val < 0 || val > USHRT_MAX)
+               return -ERANGE;
+
+       rc = obd_set_max_mod_rpcs_in_flight(&dev->u.cli, val);
+       if (rc != 0)
+               count = rc;
+
+       return count;
+}
+LPROC_SEQ_FOPS(mdc_max_mod_rpcs_in_flight);
+
 LPROC_SEQ_FOPS_WO_TYPE(mdc, ping);
 
 LPROC_SEQ_FOPS_RO_TYPE(mdc, uuid);
@@ -134,6 +172,8 @@ struct lprocfs_vars lprocfs_mdc_obd_vars[] = {
          .fops =       &mdc_obd_max_pages_per_rpc_fops },
        { .name =       "max_rpcs_in_flight",
          .fops =       &mdc_max_rpcs_in_flight_fops    },
+       { .name =       "max_mod_rpcs_in_flight",
+         .fops =       &mdc_max_mod_rpcs_in_flight_fops        },
        { .name =       "timeouts",
          .fops =       &mdc_timeouts_fops              },
        { .name =       "import",