LU-14719 lod: distributed transaction check space

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

diff --git a/lustre/lod/lproc_lod.c b/lustre/lod/lproc_lod.c
index 363b3a7..3130a72 100644 (file)
--- a/lustre/lod/lproc_lod.c
+++ b/lustre/lod/lproc_lod.c
@@ -1098,6 +1098,37 @@ out:
 }
 LUSTRE_RW_ATTR(mdt_hash);
 
+static ssize_t dist_txn_check_space_show(struct kobject *kobj,
+                                        struct attribute *attr,
+                                        char *buf)
+{
+       struct dt_device *dt = container_of(kobj, struct dt_device,
+                                           dd_kobj);
+       struct lod_device *lod = dt2lod_dev(dt);
+
+       return scnprintf(buf, PAGE_SIZE, "%d\n", lod->lod_dist_txn_check_space);
+}
+
+static ssize_t dist_txn_check_space_store(struct kobject *kobj,
+                                         struct attribute *attr,
+                                         const char *buffer, size_t count)
+{
+       struct dt_device *dt = container_of(kobj, struct dt_device,
+                                           dd_kobj);
+       struct lod_device *lod = dt2lod_dev(dt);
+       bool val = 0;
+       int rc;
+
+       rc = kstrtobool(buffer, &val);
+       if (rc)
+               return rc;
+
+       lod->lod_dist_txn_check_space = val;
+
+       return count;
+}
+LUSTRE_RW_ATTR(dist_txn_check_space);
+
 static const struct proc_ops lod_proc_mdt_fops = {
        PROC_OWNER(THIS_MODULE)
        .proc_open      = lod_mdts_seq_open,
@@ -1319,6 +1350,7 @@ static struct attribute *lod_attrs[] = {
        &lustre_attr_mdt_qos_prio_free.attr,
        &lustre_attr_mdt_qos_threshold_rr.attr,
        &lustre_attr_mdt_hash.attr,
+       &lustre_attr_dist_txn_check_space.attr,
        NULL,
 };