LU-11025 dne: support directory restripe

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

diff --git a/lustre/mdt/mdt_lproc.c b/lustre/mdt/mdt_lproc.c
index 81f80f4..6e63b64 100644 (file)
--- a/lustre/mdt/mdt_lproc.c
+++ b/lustre/mdt/mdt_lproc.c
@@ -765,6 +765,35 @@ static ssize_t enable_dir_migration_store(struct kobject *kobj,
 }
 LUSTRE_RW_ATTR(enable_dir_migration);
 
+static ssize_t enable_dir_restripe_show(struct kobject *kobj,
+                                       struct attribute *attr, char *buf)
+{
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+
+       return scnprintf(buf, PAGE_SIZE, "%u\n", mdt->mdt_enable_dir_restripe);
+}
+
+static ssize_t enable_dir_restripe_store(struct kobject *kobj,
+                                        struct attribute *attr,
+                                        const char *buffer, size_t count)
+{
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+       bool val;
+       int rc;
+
+       rc = kstrtobool(buffer, &val);
+       if (rc)
+               return rc;
+
+       mdt->mdt_enable_dir_restripe = val;
+       return count;
+}
+LUSTRE_RW_ATTR(enable_dir_restripe);
+
 /**
  * Show MDT async commit count.
  *
@@ -1111,6 +1140,7 @@ static struct attribute *mdt_attrs[] = {
        &lustre_attr_enable_chprojid_gid.attr,
        &lustre_attr_enable_striped_dir.attr,
        &lustre_attr_enable_dir_migration.attr,
+       &lustre_attr_enable_dir_restripe.attr,
        &lustre_attr_enable_remote_rename.attr,
        &lustre_attr_commit_on_sharing.attr,
        &lustre_attr_local_recovery.attr,