From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751896AbdJDBIw (ORCPT ); Tue, 3 Oct 2017 21:08:52 -0400 Received: from mail.kernel.org ([198.145.29.99]:54948 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751148AbdJDBIv (ORCPT ); Tue, 3 Oct 2017 21:08:51 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A8A8D218CE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=chao@kernel.org From: Chao Yu To: jaegeuk@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Chao Yu Subject: [PATCH v2 5/6] f2fs: trace f2fs_remove_discard Date: Wed, 4 Oct 2017 09:08:36 +0800 Message-Id: <20171004010837.9809-5-chao@kernel.org> X-Mailer: git-send-email 2.14.1.145.gb3622a4ee In-Reply-To: <20171004010837.9809-1-chao@kernel.org> References: <20171004010837.9809-1-chao@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chao Yu This patch adds tracepoint to trace f2fs_remove_discard. Signed-off-by: Chao Yu --- v2: - rebase on last codes of Jaegeuk's dev-test branch. fs/f2fs/segment.c | 2 ++ include/trace/events/f2fs.h | 7 +++++++ 2 files changed, 9 insertions(+) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index ba433828c170..4a108321233d 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -822,6 +822,8 @@ static void __remove_discard_cmd(struct f2fs_sb_info *sbi, { struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info; + trace_f2fs_remove_discard(dc->bdev, dc->start, dc->len); + f2fs_bug_on(sbi, dc->ref); if (dc->error == -EOPNOTSUPP) diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 5d216f7fb05a..0e7a31694ff5 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -1286,6 +1286,13 @@ DEFINE_EVENT(f2fs_discard, f2fs_issue_discard, TP_ARGS(dev, blkstart, blklen) ); +DEFINE_EVENT(f2fs_discard, f2fs_remove_discard, + + TP_PROTO(struct block_device *dev, block_t blkstart, block_t blklen), + + TP_ARGS(dev, blkstart, blklen) +); + TRACE_EVENT(f2fs_issue_reset_zone, TP_PROTO(struct block_device *dev, block_t blkstart), -- 2.14.1.145.gb3622a4ee