LU-10114 hsm: increase upper limit of maximum HSM backends registered with MDT

[fs/lustre-release.git] / lustre / include / lustre_export.h

diff --git a/lustre/include/lustre_export.h b/lustre/include/lustre_export.h
index 33b9aed..58f2764 100644 (file)
--- a/lustre/include/lustre_export.h
+++ b/lustre/include/lustre_export.h
@@ -457,10 +457,23 @@ static inline int exp_connect_lock_convert(struct obd_export *exp)
 
 extern struct obd_export *class_conn2export(struct lustre_handle *conn);
 
-#define KKUC_CT_DATA_MAGIC     0x092013cea
+static inline int exp_connect_archive_id_array(struct obd_export *exp)
+{
+       return !!(exp_connect_flags2(exp) & OBD_CONNECT2_ARCHIVE_ID_ARRAY);
+}
+
+enum {
+       /* archive_ids in array format */
+       KKUC_CT_DATA_ARRAY_MAGIC        = 0x092013cea,
+       /* archive_ids in bitmap format */
+       KKUC_CT_DATA_BITMAP_MAGIC       = 0x082018cea,
+};
+
+
 struct kkuc_ct_data {
        __u32           kcd_magic;
-       __u32           kcd_archive;
+       __u32           kcd_nr_archives;
+       __u32           kcd_archives[0];
 };
 
 /** @} export */