f2fs: add submit_bio tracepoint

This patch adds final submit_bio() tracepoint.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 2c5df1d..a06b2d1 100644 (file)
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -175,6 +175,10 @@ static inline void __submit_bio(struct f2fs_sb_info *sbi,
                        current->plug && (type == DATA || type == NODE))
                        blk_finish_plug(current->plug);
        }
+       if (is_read_io(bio_op(bio)))
+               trace_f2fs_submit_read_bio(sbi->sb, type, bio);
+       else
+               trace_f2fs_submit_write_bio(sbi->sb, type, bio);
        submit_bio(bio);
 }
 
@@ -185,12 +189,12 @@ static void __submit_merged_bio(struct f2fs_bio_info *io)
        if (!io->bio)
                return;
 
+       bio_set_op_attrs(io->bio, fio->op, fio->op_flags);
+
        if (is_read_io(fio->op))
-               trace_f2fs_submit_read_bio(io->sbi->sb, fio, io->bio);
+               trace_f2fs_prepare_read_bio(io->sbi->sb, fio->type, io->bio);
        else
-               trace_f2fs_submit_write_bio(io->sbi->sb, fio, io->bio);
-
-       bio_set_op_attrs(io->bio, fio->op, fio->op_flags);
+               trace_f2fs_prepare_write_bio(io->sbi->sb, fio->type, io->bio);
 
        __submit_bio(io->sbi, io->bio, fio->type);
        io->bio = NULL;

diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 4c94259..04c5274 100644 (file)
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -784,12 +784,11 @@ DEFINE_EVENT_CONDITION(f2fs__submit_page_bio, f2fs_submit_page_mbio,
        TP_CONDITION(page->mapping)
 );
 
-DECLARE_EVENT_CLASS(f2fs__submit_bio,
+DECLARE_EVENT_CLASS(f2fs__bio,
 
-       TP_PROTO(struct super_block *sb, struct f2fs_io_info *fio,
-                                               struct bio *bio),
+       TP_PROTO(struct super_block *sb, int type, struct bio *bio),
 
-       TP_ARGS(sb, fio, bio),
+       TP_ARGS(sb, type, bio),
 
        TP_STRUCT__entry(
                __field(dev_t,  dev)
@@ -802,9 +801,9 @@ DECLARE_EVENT_CLASS(f2fs__submit_bio,
 
        TP_fast_assign(
                __entry->dev            = sb->s_dev;
-               __entry->op             = fio->op;
-               __entry->op_flags       = fio->op_flags;
-               __entry->type           = fio->type;
+               __entry->op             = bio_op(bio);
+               __entry->op_flags       = bio->bi_opf;
+               __entry->type           = type;
                __entry->sector         = bio->bi_iter.bi_sector;
                __entry->size           = bio->bi_iter.bi_size;
        ),
@@ -817,22 +816,38 @@ DECLARE_EVENT_CLASS(f2fs__submit_bio,
                __entry->size)
 );
 
-DEFINE_EVENT_CONDITION(f2fs__submit_bio, f2fs_submit_write_bio,
+DEFINE_EVENT_CONDITION(f2fs__bio, f2fs_prepare_write_bio,
+
+       TP_PROTO(struct super_block *sb, int type, struct bio *bio),
+
+       TP_ARGS(sb, type, bio),
+
+       TP_CONDITION(bio)
+);
+
+DEFINE_EVENT_CONDITION(f2fs__bio, f2fs_prepare_read_bio,
+
+       TP_PROTO(struct super_block *sb, int type, struct bio *bio),
+
+       TP_ARGS(sb, type, bio),
+
+       TP_CONDITION(bio)
+);
+
+DEFINE_EVENT_CONDITION(f2fs__bio, f2fs_submit_read_bio,
 
-       TP_PROTO(struct super_block *sb, struct f2fs_io_info *fio,
-                                                       struct bio *bio),
+       TP_PROTO(struct super_block *sb, int type, struct bio *bio),
 
-       TP_ARGS(sb, fio, bio),
+       TP_ARGS(sb, type, bio),
 
        TP_CONDITION(bio)
 );
 
-DEFINE_EVENT_CONDITION(f2fs__submit_bio, f2fs_submit_read_bio,
+DEFINE_EVENT_CONDITION(f2fs__bio, f2fs_submit_write_bio,
 
-       TP_PROTO(struct super_block *sb, struct f2fs_io_info *fio,
-                                                       struct bio *bio),
+       TP_PROTO(struct super_block *sb, int type, struct bio *bio),
 
-       TP_ARGS(sb, fio, bio),
+       TP_ARGS(sb, type, bio),
 
        TP_CONDITION(bio)
 );