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f2fs: trace f2fs_remove_discard

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This patch adds tracepoint to trace f2fs_remove_discard.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2017-10-04 09:08:36 +08:00 • committed by Jaegeuk Kim
commit df74eacb20
2 changed files with 9 additions and 0 deletions
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2
fs/f2fs/segment.c
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@ -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)

7
include/trace/events/f2fs.h
View file

@ -1274,6 +1274,13 @@ 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),