From patchwork Sat Jun 28 11:34:56 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miao Xie X-Patchwork-Id: 4439511 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E4C909F2C8 for ; Sat, 28 Jun 2014 11:33:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F1A50202EC for ; Sat, 28 Jun 2014 11:33:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 117A8203AB for ; Sat, 28 Jun 2014 11:33:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752576AbaF1Ldl (ORCPT ); Sat, 28 Jun 2014 07:33:41 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:10067 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752117AbaF1Lde (ORCPT ); Sat, 28 Jun 2014 07:33:34 -0400 X-IronPort-AV: E=Sophos;i="5.00,798,1396972800"; d="scan'208";a="32557741" Received: from localhost (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 28 Jun 2014 19:30:50 +0800 Received: from G08CNEXCHPEKD01.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id s5SBXU5q021024 for ; Sat, 28 Jun 2014 19:33:30 +0800 Received: from miao.fnst.cn.fujitsu.com (10.167.226.169) by G08CNEXCHPEKD01.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.181.6; Sat, 28 Jun 2014 19:33:34 +0800 From: Miao Xie To: Subject: [PATCH 06/12] Btrfs: Cleanup unused variant and argument of IO failure handlers Date: Sat, 28 Jun 2014 19:34:56 +0800 Message-ID: <1403955302-22396-7-git-send-email-miaox@cn.fujitsu.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1403955302-22396-1-git-send-email-miaox@cn.fujitsu.com> References: <1403955302-22396-1-git-send-email-miaox@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.169] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Miao Xie --- fs/btrfs/extent_io.c | 26 ++++++++++---------------- 1 file changed, 10 insertions(+), 16 deletions(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index c49c1e1..b6b391e 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -1978,8 +1978,7 @@ struct io_failure_record { int in_validation; }; -static int free_io_failure(struct inode *inode, struct io_failure_record *rec, - int did_repair) +static int free_io_failure(struct inode *inode, struct io_failure_record *rec) { int ret; int err = 0; @@ -2106,7 +2105,6 @@ static int clean_io_failure(u64 start, struct page *page) struct btrfs_fs_info *fs_info = BTRFS_I(inode)->root->fs_info; struct extent_state *state; int num_copies; - int did_repair = 0; int ret; private = 0; @@ -2127,7 +2125,6 @@ static int clean_io_failure(u64 start, struct page *page) /* there was no real error, just free the record */ pr_debug("clean_io_failure: freeing dummy error at %llu\n", failrec->start); - did_repair = 1; goto out; } if (fs_info->sb->s_flags & MS_RDONLY) @@ -2144,19 +2141,16 @@ static int clean_io_failure(u64 start, struct page *page) num_copies = btrfs_num_copies(fs_info, failrec->logical, failrec->len); if (num_copies > 1) { - ret = repair_io_failure(fs_info, start, failrec->len, - failrec->logical, page, - failrec->failed_mirror); - did_repair = !ret; + repair_io_failure(fs_info, start, failrec->len, + failrec->logical, page, + failrec->failed_mirror); } - ret = 0; } out: - if (!ret) - ret = free_io_failure(inode, failrec, did_repair); + free_io_failure(inode, failrec); - return ret; + return 0; } /* @@ -2266,7 +2260,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset, */ pr_debug("bio_readpage_error: cannot repair, num_copies=%d, next_mirror %d, failed_mirror %d\n", num_copies, failrec->this_mirror, failed_mirror); - free_io_failure(inode, failrec, 0); + free_io_failure(inode, failrec); return -EIO; } @@ -2309,13 +2303,13 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset, if (failrec->this_mirror > num_copies) { pr_debug("bio_readpage_error: (fail) num_copies=%d, next_mirror %d, failed_mirror %d\n", num_copies, failrec->this_mirror, failed_mirror); - free_io_failure(inode, failrec, 0); + free_io_failure(inode, failrec); return -EIO; } bio = btrfs_io_bio_alloc(GFP_NOFS, 1); if (!bio) { - free_io_failure(inode, failrec, 0); + free_io_failure(inode, failrec); return -EIO; } bio->bi_end_io = failed_bio->bi_end_io; @@ -2346,7 +2340,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset, failrec->this_mirror, failrec->bio_flags, 0); if (ret) { - free_io_failure(inode, failrec, 0); + free_io_failure(inode, failrec); bio_put(bio); }