f2fs: fix the location of tracepoint

We need to get a trace before submit_bio, since its bi_sector is remapped during
the submit_bio.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index ebc9177..15956fa 100644 (file)
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -104,11 +104,12 @@ static void __submit_merged_bio(struct f2fs_bio_info *io)
        rw = fio->rw | fio->rw_flag;
 
        if (is_read_io(rw)) {
-               submit_bio(rw, io->bio);
                trace_f2fs_submit_read_bio(io->sbi->sb, rw, fio->type, io->bio);
+               submit_bio(rw, io->bio);
                io->bio = NULL;
                return;
        }
+       trace_f2fs_submit_write_bio(io->sbi->sb, rw, fio->type, io->bio);
 
        /*
         * META_FLUSH is only from the checkpoint procedure, and we should wait
@@ -122,7 +123,6 @@ static void __submit_merged_bio(struct f2fs_bio_info *io)
        } else {
                submit_bio(rw, io->bio);
        }
-       trace_f2fs_submit_write_bio(io->sbi->sb, rw, fio->type, io->bio);
        io->bio = NULL;
 }