lfsr: ensure we don't generate an offset + buflen that exceeds the max size

[fio.git] / lib / lfsr.h

diff --git a/lib/lfsr.h b/lib/lfsr.h
index 0de9ea8e3c09a10a4b411d69d9fb30b569733f76..898646e27b4207cbec289a675aa669d9a660d626 100644 (file)
--- a/lib/lfsr.h
+++ b/lib/lfsr.h
@@ -18,7 +18,7 @@ struct fio_lfsr {
        struct lfsr_taps taps;
 };
 
-int lfsr_next(struct fio_lfsr *fl, uint64_t *off);
-int lfsr_init(struct fio_lfsr *fl, uint64_t size);
+int lfsr_next(struct fio_lfsr *fl, uint64_t *off, uint64_t);
+int lfsr_init(struct fio_lfsr *fl, uint64_t size, unsigned long seed);
 
 #endif