Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754981AbcL0QAE (ORCPT ); Tue, 27 Dec 2016 11:00:04 -0500 Received: from mail-pg0-f66.google.com ([74.125.83.66]:36679 "EHLO mail-pg0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752415AbcL0P7v (ORCPT ); Tue, 27 Dec 2016 10:59:51 -0500 From: Ming Lei To: Jens Axboe , linux-kernel@vger.kernel.org Cc: linux-block@vger.kernel.org, Christoph Hellwig , Ming Lei , Jaegeuk Kim , Chao Yu , linux-f2fs-devel@lists.sourceforge.net (open list:F2FS FILE SYSTEM) Subject: [PATCH v1 06/54] f2fs: f2fs_read_end_io: comment on direct access to bvec table Date: Tue, 27 Dec 2016 23:55:55 +0800 Message-Id: <1482854250-13481-7-git-send-email-tom.leiming@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1482854250-13481-1-git-send-email-tom.leiming@gmail.com> References: <1482854250-13481-1-git-send-email-tom.leiming@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 580 Lines: 22 Signed-off-by: Ming Lei --- fs/f2fs/data.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 9ac262564fa6..5d1a192e1c3c 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -55,6 +55,10 @@ static void f2fs_read_end_io(struct bio *bio) int i; #ifdef CONFIG_F2FS_FAULT_INJECTION + /* + * It is still safe to retrieve the 1st page of the bio + * in this way after supporting multipage bvec. + */ if (time_to_inject(F2FS_P_SB(bio->bi_io_vec->bv_page), FAULT_IO)) bio->bi_error = -EIO; #endif -- 2.7.4