From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Yu Subject: [PATCH 5/6] f2fs: trace f2fs_remove_discard Date: Tue, 19 Sep 2017 23:30:15 +0800 Message-ID: <20170919153016.4116-5-chao@kernel.org> References: <20170919153016.4116-1-chao@kernel.org> Return-path: In-Reply-To: <20170919153016.4116-1-chao@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: jaegeuk@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Chao Yu List-Id: linux-f2fs-devel.lists.sourceforge.net From: Chao Yu This patch adds tracepoint to trace f2fs_remove_discard. Signed-off-by: Chao Yu --- 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 412ac3a68be3..85f909419b69 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -794,6 +794,8 @@ 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 8955e75dd48e..407713ef5981 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