LU-8900 snapshot: simulate readonly device

[fs/lustre-release.git] / lustre / mdt / mdt_internal.h

diff --git a/lustre/mdt/mdt_internal.h b/lustre/mdt/mdt_internal.h
index 7b90b58..98ce152 100644 (file)
--- a/lustre/mdt/mdt_internal.h
+++ b/lustre/mdt/mdt_internal.h
@@ -908,6 +908,14 @@ static inline struct mdt_device *mdt_exp2dev(struct obd_export *exp)
        return mdt_dev(exp->exp_obd->obd_lu_dev);
 }
 
+static inline bool mdt_rdonly(struct obd_export *exp)
+{
+       if (exp_connect_flags(exp) & OBD_CONNECT_RDONLY ||
+           mdt_exp2dev(exp)->mdt_bottom->dd_rdonly)
+               return true;
+       return false;
+}
+
 typedef void (*mdt_reconstruct_t)(struct mdt_thread_info *mti,
                                   struct mdt_lock_handle *lhc);
 static inline int mdt_check_resent(struct mdt_thread_info *info,