LU-7428 osd: set device read-only correctly

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

diff --git a/lustre/mdt/mdt_handler.c b/lustre/mdt/mdt_handler.c
index 58bd624..d9cc115 100644 (file)
--- a/lustre/mdt/mdt_handler.c
+++ b/lustre/mdt/mdt_handler.c
@@ -5910,13 +5910,15 @@ static int mdt_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
         if (rc)
                 RETURN(rc);
 
-        switch (cmd) {
-        case OBD_IOC_SYNC:
-                rc = mdt_device_sync(&env, mdt);
-                break;
-        case OBD_IOC_SET_READONLY:
-                rc = dt->dd_ops->dt_ro(&env, dt);
-                break;
+       switch (cmd) {
+       case OBD_IOC_SYNC:
+               rc = mdt_device_sync(&env, mdt);
+               break;
+       case OBD_IOC_SET_READONLY:
+               rc = dt_sync(&env, dt);
+               if (rc == 0)
+                       rc = dt_ro(&env, dt);
+               break;
        case OBD_IOC_ABORT_RECOVERY:
                CERROR("%s: Aborting recovery for device\n", mdt_obd_name(mdt));
                obd->obd_abort_recovery = 1;