f2fs: trace f2fs_remove_discard

This patch adds tracepoint to trace f2fs_remove_discard. Signed-off-by: Chao Yu <[email protected]> Signed-off-by: Jaegeuk Kim <[email protected]>
leemgs · Oct 26, 2017 · 2ec6f2e · 2ec6f2e
1 parent 33da62c
commit 2ec6f2e
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diff --git 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
@@ -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),