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Commit 24a9ee0f authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: add tracepoint for f2fs_issue_flush 



This patch adds a tracepoint for f2fs_issue_flush.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent cf2271e7

fs/f2fs/segment.c

+3 −0
Original line number Diff line number Diff line
@@ -239,6 +239,9 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi) 
	struct flush_cmd_control *fcc = SM_I(sbi)->cmd_control_info;

	struct flush_cmd cmd;



	trace_f2fs_issue_flush(sbi->sb, test_opt(sbi, NOBARRIER),

					test_opt(sbi, FLUSH_MERGE));



	if (test_opt(sbi, NOBARRIER))

		return 0;

include/trace/events/f2fs.h

+24 −0
Original line number Diff line number Diff line
@@ -926,6 +926,30 @@ TRACE_EVENT(f2fs_issue_discard, 
		(unsigned long long)__entry->blkstart,

		(unsigned long long)__entry->blklen)

);



TRACE_EVENT(f2fs_issue_flush,



	TP_PROTO(struct super_block *sb, bool nobarrier, bool flush_merge),



	TP_ARGS(sb, nobarrier, flush_merge),



	TP_STRUCT__entry(

		__field(dev_t,	dev)

		__field(bool, nobarrier)

		__field(bool, flush_merge)

	),



	TP_fast_assign(

		__entry->dev	= sb->s_dev;

		__entry->nobarrier = nobarrier;

		__entry->flush_merge = flush_merge;

	),



	TP_printk("dev = (%d,%d), %s %s",

		show_dev(__entry),

		__entry->nobarrier ? "skip (nobarrier)" : "issue",

		__entry->flush_merge ? " with flush_merge" : "")

);

#endif /* _TRACE_F2FS_H */



 /* This part must be outside protection */