From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751793AbdK0JrO (ORCPT ); Mon, 27 Nov 2017 04:47:14 -0500 Received: from prv3-mh.provo.novell.com ([137.65.250.26]:48387 "EHLO prv3-mh.provo.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751360AbdK0JrM (ORCPT ); Mon, 27 Nov 2017 04:47:12 -0500 From: Gang He To: mfasheh@versity.com, jlbec@evilplan.org, rgoldwyn@suse.com, hch@lst.de Cc: Gang He , linux-kernel@vger.kernel.org, ocfs2-devel@oss.oracle.com, akpm@linux-foundation.org Subject: [PATCH 0/3] ocfs2: add nowait aio support Date: Mon, 27 Nov 2017 17:46:24 +0800 Message-Id: <1511775987-841-1-git-send-email-ghe@suse.com> X-Mailer: git-send-email 1.8.5.6 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org As you know, VFS layer has introduced non-block aio flag IOCB_NOWAIT, which informs kernel to bail out if an AIO request will block for reasons such as file allocations, or a writeback triggered, or would block while allocating requests while performing direct I/O. Subsequent, pwritev2/preadv2 also can leverage this part kernel code. So far, ext4/xfs/btrfs have supported this feature, I'd like to add the related code for ocfs2 file system. Gang He (3): ocfs2: add ocfs2_try_rw_lock and ocfs2_try_inode_lock ocfs2: add ocfs2_overwrite_io function ocfs2: nowait aio support fs/ocfs2/dir.c | 2 +- fs/ocfs2/dlmglue.c | 42 ++++++++++++++++++++++++---- fs/ocfs2/dlmglue.h | 6 +++- fs/ocfs2/extent_map.c | 67 +++++++++++++++++++++++++++++++++++++++++++++ fs/ocfs2/extent_map.h | 3 ++ fs/ocfs2/file.c | 74 +++++++++++++++++++++++++++++++++++++------------- fs/ocfs2/mmap.c | 2 +- fs/ocfs2/ocfs2_trace.h | 10 ++++--- 8 files changed, 175 insertions(+), 31 deletions(-) -- 1.8.5.6