diff options
| author | Chao Yu <yuchao0@huawei.com> | 2017-04-15 14:09:38 +0800 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2017-05-21 18:42:03 +0200 |
| commit | c21e59e0ad54b0fd4383ee0a2b32defa5331e695 (patch) | |
| tree | e201dde061a5e2ca29694b77c4dee4ca58788e12 | |
| parent | d0d2a60f68335e8d7e152a32e1a6d3a73f61bf58 (diff) | |
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: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/segment.c | 4 | ||||
| -rw-r--r-- | include/trace/events/f2fs.h | 16 |
2 files changed, 18 insertions, 2 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 1c9a0989b..409e23e08 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -902,6 +902,8 @@ 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), @@ -1080,7 +1082,7 @@ 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); diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index af7364ba8..7c3f811cb 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -1079,7 +1079,7 @@ 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), @@ -1103,6 +1103,20 @@ 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), |