X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Flov%2Flov_io.c;h=b100973279bed1c414eeaed611b01b70038768cf;hp=8cdfbf419ad6bbfe2cd58cb8dee65836e0943bd8;hb=ce61bcac8661e08ffa2a6ec4b9782f11cd3388c6;hpb=b879bbc27db53ecc899f6007bf4fe0d993615def

diff --git a/lustre/lov/lov_io.c b/lustre/lov/lov_io.c
index 8cdfbf4..b100973 100644
--- a/lustre/lov/lov_io.c
+++ b/lustre/lov/lov_io.c
@@ -263,6 +263,13 @@ static int lov_io_slice_init(struct lov_io *lio,
 	}
 
 	case CIT_GLIMPSE:
+		lio->lis_pos = 0;
+		lio->lis_endpos = OBD_OBJECT_EOF;
+
+		if ((obj->lo_lsm->lsm_flags & LCM_FL_FLR_MASK) == LCM_FL_RDONLY)
+			RETURN(1); /* SoM is accurate, no need glimpse */
+		break;
+
         case CIT_MISC:
                 lio->lis_pos = 0;
                 lio->lis_endpos = OBD_OBJECT_EOF;
@@ -1127,21 +1134,23 @@ int lov_io_init_composite(const struct lu_env *env, struct cl_object *obj,
 {
 	struct lov_io       *lio = lov_env_io(env);
 	struct lov_object   *lov = cl2lov(obj);
-
+	int result;
 	ENTRY;
+
 	INIT_LIST_HEAD(&lio->lis_active);
-	io->ci_result = lov_io_slice_init(lio, lov, io);
-	if (io->ci_result != 0)
-		RETURN(io->ci_result);
-
-	if (io->ci_result == 0) {
-		io->ci_result = lov_io_subio_init(env, lio, io);
-		if (io->ci_result == 0) {
-			cl_io_slice_add(io, &lio->lis_cl, obj, &lov_io_ops);
-			atomic_inc(&lov->lo_active_ios);
-		}
+	result = lov_io_slice_init(lio, lov, io);
+	if (result)
+		GOTO(out, result);
+
+	result = lov_io_subio_init(env, lio, io);
+	if (!result) {
+		cl_io_slice_add(io, &lio->lis_cl, obj, &lov_io_ops);
+		atomic_inc(&lov->lo_active_ios);
 	}
-	RETURN(io->ci_result);
+	EXIT;
+out:
+	io->ci_result = result < 0 ? result : 0;
+	return result;
 }
 
 int lov_io_init_empty(const struct lu_env *env, struct cl_object *obj,