LU-4198 clio: turn on lockless for some kind of IO

[fs/lustre-release.git] / lustre / osc / osc_io.c

diff --git a/lustre/osc/osc_io.c b/lustre/osc/osc_io.c
index 6a25750..03b4cf8 100644 (file)
--- a/lustre/osc/osc_io.c
+++ b/lustre/osc/osc_io.c
@@ -143,6 +143,10 @@ int osc_io_submit(const struct lu_env *env, const struct cl_io_slice *ios,
        if (crt == CRT_READ && ios->cis_io->ci_ndelay)
                brw_flags |= OBD_BRW_NDELAY;
 
+       page = cl_page_list_first(qin);
+       if (page->cp_type == CPT_TRANSIENT)
+               brw_flags |= OBD_BRW_NOCACHE;
+
         /*
          * NOTE: here @page is a top-level page. This is done to avoid
          *       creation of sub-page-list.