LU-8900 snapshot: simulate readonly device

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

diff --git a/lustre/mdt/mdt_handler.c b/lustre/mdt/mdt_handler.c
index 4d1fbaf..c732096 100644 (file)
--- a/lustre/mdt/mdt_handler.c
+++ b/lustre/mdt/mdt_handler.c
@@ -3641,6 +3641,9 @@ static int mdt_intent_opc(enum ldlm_intent_flags itopc,
                if (qmt == NULL)
                        RETURN(-EOPNOTSUPP);
 
+               if (mdt_rdonly(req->rq_export))
+                       RETURN(-EROFS);
+
                (*lockp)->l_lvb_type = LVB_T_LQUOTA;
                /* pass the request to quota master */
                rc = qmt_hdls.qmth_intent_policy(info->mti_env, qmt,
@@ -3657,8 +3660,7 @@ static int mdt_intent_opc(enum ldlm_intent_flags itopc,
        if (rc < 0)
                RETURN(rc);
 
-       if (flv->it_flags & MUTABOR &&
-           exp_connect_flags(req->rq_export) & OBD_CONNECT_RDONLY)
+       if (flv->it_flags & MUTABOR && mdt_rdonly(req->rq_export))
                RETURN(-EROFS);
 
        if (flv->it_act != NULL) {
@@ -5110,6 +5112,11 @@ static int mdt_connect_internal(struct obd_export *exp,
 
        data->ocd_connect_flags &= MDT_CONNECT_SUPPORTED;
 
+       if (mdt->mdt_bottom->dd_rdonly &&
+           !(data->ocd_connect_flags & OBD_CONNECT_MDS_MDS) &&
+           !(data->ocd_connect_flags & OBD_CONNECT_RDONLY))
+               RETURN(-EACCES);
+
        if (data->ocd_connect_flags & OBD_CONNECT_FLAGS2)
                data->ocd_connect_flags2 &= MDT_CONNECT_SUPPORTED2;
 
@@ -6027,7 +6034,7 @@ static int mdt_postrecov(const struct lu_env *env, struct mdt_device *mdt)
        int rc;
        ENTRY;
 
-       if (!mdt->mdt_skip_lfsck) {
+       if (!mdt->mdt_skip_lfsck && !mdt->mdt_bottom->dd_rdonly) {
                struct lfsck_start_param lsp;
 
                lsp.lsp_start = NULL;