From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f180.google.com ([209.85.220.180]:33718 "EHLO mail-qk0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750735AbeC2Kho (ORCPT ); Thu, 29 Mar 2018 06:37:44 -0400 Received: by mail-qk0-f180.google.com with SMTP id d206so5482281qkb.0 for ; Thu, 29 Mar 2018 03:37:43 -0700 (PDT) From: Muneendra Kumar M References: 376fb4cd375ea3b71c67cbe9168c0199@mail.gmail.com In-Reply-To: 376fb4cd375ea3b71c67cbe9168c0199@mail.gmail.com MIME-Version: 1.0 Date: Thu, 29 Mar 2018 16:07:42 +0530 Message-ID: <4b4851a7c7b5c9587c620f69d4a51ae0@mail.gmail.com> Subject: RE: query on blk_rq_timed_out To: linux-block@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org Hi , If we call submit_bio/blk_execute_rq and due to some target issues we hit the blk_rq_timed_out. In blk_rq_timed_out=C2=A0=C2=A0 =C2=A0__blk_complete_request =C2=A0gets cal= led only in BLK_EH_HANDLED case and if q->rq_timed_out_fn doesn=E2=80=99t return BLK_EH_HANDLED and returns only BLK_EH_NOT_HANDLED/ BLK_EH_RESET_TIMER. How will the submit_bio/blk_execute_rq returns from it wait state ? Will we see the hungtask in this case? Any help regarding this will help me a lot . Regards, Muneendra.