zipf/pareto: use min of file size and io size for init

[fio.git] / filesetup.c

diff --git a/filesetup.c b/filesetup.c
index 9d3e06268fffc35786749ea0eb482d0f9bb7ce11..41809093ffd92b8eac8f5b2e5e89f16facfab12a 100644 (file)
--- a/filesetup.c
+++ b/filesetup.c
@@ -907,10 +907,12 @@ static int __init_rand_distribution(struct thread_data *td, struct fio_file *f)
 {
        unsigned int range_size, seed;
        unsigned long nranges;
+       uint64_t file_size;
 
        range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]);
+       file_size = min(f->real_file_size, f->io_size);
 
-       nranges = (f->real_file_size + range_size - 1) / range_size;
+       nranges = (file_size + range_size - 1) / range_size;
 
        seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number;
        if (!td->o.rand_repeatable)