Add possibility to make sequential IO "holed"

[fio.git] / io_u.c

diff --git a/io_u.c b/io_u.c
index 51da223d3e02ab194c45a77e6249870d9d0a62d4..6a53bdaab074fcf9660c6e25e08c19408bd0dca2 100644 (file)
--- a/io_u.c
+++ b/io_u.c
@@ -249,7 +249,12 @@ static int get_next_seq_block(struct thread_data *td, struct fio_file *f,
        assert(ddir_rw(ddir));
 
        if (f->last_pos < f->real_file_size) {
-               *b = (f->last_pos - f->file_offset) / td->o.min_bs[ddir];
+               unsigned long long pos = f->last_pos - f->file_offset;
+
+               if (pos)
+                       pos += td->o.ddir_seq_add;
+
+               *b = pos / td->o.min_bs[ddir];
                return 0;
        }