LU-5223 lmv: build master LMV EA dynamically build via readdir

[fs/lustre-release.git] / lustre / lod / lproc_lod.c

diff --git a/lustre/lod/lproc_lod.c b/lustre/lod/lproc_lod.c
index 1598658..b2318bb 100644 (file)
--- a/lustre/lod/lproc_lod.c
+++ b/lustre/lod/lproc_lod.c
@@ -437,6 +437,43 @@ LPROC_SEQ_FOPS_RO_TYPE(lod, dt_kbytesavail);
 LPROC_SEQ_FOPS_RO_TYPE(lod, dt_filestotal);
 LPROC_SEQ_FOPS_RO_TYPE(lod, dt_filesfree);
 
+static int lod_lmv_failout_seq_show(struct seq_file *m, void *v)
+{
+       struct obd_device *dev = m->private;
+       struct lod_device *lod;
+
+       LASSERT(dev != NULL);
+       lod = lu2lod_dev(dev->obd_lu_dev);
+
+       return seq_printf(m, "%d\n", lod->lod_lmv_failout ? 1 : 0);
+}
+
+static ssize_t
+lod_lmv_failout_seq_write(struct file *file, const char *buffer,
+                         size_t count, loff_t *off)
+{
+       struct seq_file         *m      = file->private_data;
+       struct obd_device       *dev    = m->private;
+       struct lod_device       *lod;
+       int                      val    = 0;
+       int                      rc;
+
+       LASSERT(dev != NULL);
+       lod = lu2lod_dev(dev->obd_lu_dev);
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc != 0)
+               return rc;
+
+       if (val != 0)
+               lod->lod_lmv_failout = 1;
+       else
+               lod->lod_lmv_failout = 0;
+
+       return count;
+}
+LPROC_SEQ_FOPS(lod_lmv_failout);
+
 static struct lprocfs_seq_vars lprocfs_lod_obd_vars[] = {
        { .name =       "uuid",
          .fops =       &lod_uuid_fops          },
@@ -460,6 +497,8 @@ static struct lprocfs_seq_vars lprocfs_lod_obd_vars[] = {
          .fops =       &lod_qos_thresholdrr_fops },
        { .name =       "qos_maxage",
          .fops =       &lod_qos_maxage_fops    },
+       { .name =       "lmv_failout",
+         .fops =       &lod_lmv_failout_fops   },
        { 0 }
 };