Commit 2ec6f2ef authored Oct 04, 2017 by Chao Yu Committed by Jaegeuk Kim Oct 26, 2017

f2fs: trace f2fs_remove_discard



This patch adds tracepoint to trace f2fs_remove_discard.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent 33da62cf

fs/f2fs/segment.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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)

include/trace/events/f2fs.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -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),