Messages in this thread Patch in this message | | | From | Chao Yu <> | Subject | [PATCH 5/6] f2fs: trace f2fs_remove_discard | Date | Tue, 19 Sep 2017 23:30:15 +0800 |
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From: Chao Yu <yuchao0@huawei.com>
This patch adds tracepoint to trace f2fs_remove_discard.
Signed-off-by: Chao Yu <yuchao0@huawei.com> --- 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
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