LU-14741 obdclass: Wake up entire queue of requests on close completion

[fs/lustre-release.git] / lustre / obdclass / genops.c

diff --git a/lustre/obdclass/genops.c b/lustre/obdclass/genops.c
index 0bec4b7..01c575b 100644 (file)
--- a/lustre/obdclass/genops.c
+++ b/lustre/obdclass/genops.c
@@ -2337,7 +2337,11 @@ void obd_put_mod_rpc_slot(struct client_obd *cli, __u32 opc, __u16 tag)
        LASSERT(tag - 1 < OBD_MAX_RIF_MAX);
        LASSERT(test_and_clear_bit(tag - 1, cli->cl_mod_tag_bitmap) != 0);
        spin_unlock(&cli->cl_mod_rpcs_lock);
-       wake_up(&cli->cl_mod_rpcs_waitq);
+       /* LU-14741 - to prevent close RPCs stuck behind normal ones */
+       if (close_req)
+               wake_up_all(&cli->cl_mod_rpcs_waitq);
+       else
+               wake_up(&cli->cl_mod_rpcs_waitq);
 }
 EXPORT_SYMBOL(obd_put_mod_rpc_slot);