LU-12506 changelog: support large number of MDT

[fs/lustre-release.git] / lustre / mdc / mdc_internal.h

diff --git a/lustre/mdc/mdc_internal.h b/lustre/mdc/mdc_internal.h
index 0de0ebd..d599034 100644 (file)
--- a/lustre/mdc/mdc_internal.h
+++ b/lustre/mdc/mdc_internal.h
@@ -149,6 +149,11 @@ enum ldlm_mode mdc_lock_match(struct obd_export *exp, __u64 flags,
                              enum ldlm_mode mode, struct lustre_handle *lockh);
 
 
+#define MDC_CHANGELOG_DEV_COUNT LMV_MAX_STRIPE_COUNT
+#define MDC_CHANGELOG_DEV_NAME "changelog"
+extern struct class *mdc_changelog_class;
+extern dev_t mdc_changelog_dev;
+
 int mdc_changelog_cdev_init(struct obd_device *obd);
 
 void mdc_changelog_cdev_finish(struct obd_device *obd);