LU-8900 snapshot: simulate readonly device

[fs/lustre-release.git] / lustre / fld / fld_index.c

diff --git a/lustre/fld/fld_index.c b/lustre/fld/fld_index.c
index 653effb..ffeca9b 100644 (file)
--- a/lustre/fld/fld_index.c
+++ b/lustre/fld/fld_index.c
@@ -271,12 +271,16 @@ int fld_insert_entry(const struct lu_env *env,
                     const struct lu_seq_range *range)
 {
        struct thandle *th;
+       struct dt_device *dt = lu2dt_dev(fld->lsf_obj->do_lu.lo_dev);
        int rc;
        ENTRY;
 
        LASSERT(mutex_is_locked(&fld->lsf_lock));
 
-       th = dt_trans_create(env, lu2dt_dev(fld->lsf_obj->do_lu.lo_dev));
+       if (dt->dd_rdonly)
+               RETURN(0);
+
+       th = dt_trans_create(env, dt);
        if (IS_ERR(th))
                RETURN(PTR_ERR(th));
 
@@ -287,8 +291,7 @@ int fld_insert_entry(const struct lu_env *env,
                GOTO(out, rc);
        }
 
-       rc = dt_trans_start_local(env, lu2dt_dev(fld->lsf_obj->do_lu.lo_dev),
-                                 th);
+       rc = dt_trans_start_local(env, dt, th);
        if (rc)
                GOTO(out, rc);
 
@@ -296,7 +299,7 @@ int fld_insert_entry(const struct lu_env *env,
        if (rc == -EEXIST)
                rc = 0;
 out:
-       dt_trans_stop(env, lu2dt_dev(fld->lsf_obj->do_lu.lo_dev), th);
+       dt_trans_stop(env, dt, th);
        RETURN(rc);
 }
 EXPORT_SYMBOL(fld_insert_entry);