diff options
| author | Chao Yu <yuchao0@huawei.com> | 2017-04-15 08:09:38 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-04-19 20:00:43 +0200 |
| commit | 0243a5f9daf149654dc68c49783b27760f513cc1 (patch) | |
| tree | 7a079e1ee270bae4d88bf8a0c64c37be0c92bcf2 | |
| parent | f2fs: in prior to issue big discard (diff) | |
| download | linux-0243a5f9daf149654dc68c49783b27760f513cc1.tar.xz linux-0243a5f9daf149654dc68c49783b27760f513cc1.zip | |
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 f026f70559eb..8da49a1750da 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -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); diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 1714c75822de..2e8f68f244d4 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -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), |