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Commit 0243a5f9 authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

f2fs: trace __submit_discard_cmd 



Add an even class f2fs_discard for introducing f2fs_queue_discard, then
use f2fs_{queue,issue}_discard to trace __{queue,submit}_discard_cmd.

Signed-off-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent ba48a33e

fs/f2fs/segment.c

+3 −1
Original line number Diff line number Diff line
@@ -763,6 +763,8 @@ static void __submit_discard_cmd(struct f2fs_sb_info *sbi, 
	if (dc->state != D_PREP)

		return;



	trace_f2fs_issue_discard(dc->bdev, dc->start, dc->len);



	dc->error = __blkdev_issue_discard(dc->bdev,

				SECTOR_FROM_BLOCK(dc->start),

				SECTOR_FROM_BLOCK(dc->len),
@@ -942,7 +944,7 @@ static int __queue_discard_cmd(struct f2fs_sb_info *sbi, 
{

	block_t lblkstart = blkstart;



	trace_f2fs_issue_discard(bdev, blkstart, blklen);

	trace_f2fs_queue_discard(bdev, blkstart, blklen);



	if (sbi->s_ndevs) {

		int devi = f2fs_target_device_index(sbi, blkstart);

include/trace/events/f2fs.h

+15 −1
Original line number Diff line number Diff line
@@ -1129,7 +1129,7 @@ TRACE_EVENT(f2fs_write_checkpoint, 
		__entry->msg)

);



TRACE_EVENT(f2fs_issue_discard,

DECLARE_EVENT_CLASS(f2fs_discard,



	TP_PROTO(struct block_device *dev, block_t blkstart, block_t blklen),
@@ -1153,6 +1153,20 @@ TRACE_EVENT(f2fs_issue_discard, 
		(unsigned long long)__entry->blklen)

);



DEFINE_EVENT(f2fs_discard, f2fs_queue_discard,



	TP_PROTO(struct block_device *dev, block_t blkstart, block_t blklen),



	TP_ARGS(dev, blkstart, blklen)

);



DEFINE_EVENT(f2fs_discard, f2fs_issue_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),