Random distribution 32-bit fixes

[fio.git] / filesetup.c

diff --git a/filesetup.c b/filesetup.c
index 580403dbc232aa8676d2a3933c3eac4a5f7e31a5..6108ca302e5b33333d5bbb8d52636839361a6428 100644 (file)
--- a/filesetup.c
+++ b/filesetup.c
@@ -1192,13 +1192,13 @@ bool pre_read_files(struct thread_data *td)
 static void __init_rand_distribution(struct thread_data *td, struct fio_file *f)
 {
        unsigned int range_size, seed;
-       unsigned long nranges;
+       uint64_t nranges;
        uint64_t fsize;
 
        range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]);
        fsize = min(f->real_file_size, f->io_size);
 
-       nranges = (fsize + range_size - 1) / range_size;
+       nranges = (fsize + range_size - 1ULL) / range_size;
 
        seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number;
        if (!td->o.rand_repeatable)