Better accommodate random writes larger than blockalign

[fio.git] / io_u.c

diff --git a/io_u.c b/io_u.c
index 5971d78b635e6d31c352f187042cc238c0fd7428..77a3abf75437e7e27290cf0e32fc4db7cb3bc7ce 100644 (file)
--- a/io_u.c
+++ b/io_u.c
@@ -68,6 +68,9 @@ static uint64_t last_block(struct thread_data *td, struct fio_file *f,
        if (td->o.zone_range)
                max_size = td->o.zone_range;
 
+       if (td->o.min_bs[ddir] > td->o.ba[ddir])
+               max_size -= td->o.min_bs[ddir] - td->o.ba[ddir];
+
        max_blocks = max_size / (uint64_t) td->o.ba[ddir];
        if (!max_blocks)
                return 0;