Support > 4 byte verify write patterns
This is the patch I have to write/read/verify hex patterns of size > 4
bytes. I have tested these on hard drives and did not see any
performance change. I am assuming the performance drop if any might show
up in the read phase for probably solid state drives and maybe it can be
worked around using the asynchronous verify flag.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fio.h b/fio.h
index 049692d..e4ed76f 100644
--- a/fio.h
+++ b/fio.h
@@ -63,6 +63,8 @@
#define FIO_IO_U_LAT_U_NR 10
#define FIO_IO_U_LAT_M_NR 12
+#define MAX_PATTERN_SIZE 512
+
struct thread_stat {
char *name;
char *verror;
@@ -175,7 +177,7 @@
unsigned int verifysort;
unsigned int verify_interval;
unsigned int verify_offset;
- unsigned int verify_pattern;
+ char verify_pattern[MAX_PATTERN_SIZE];
unsigned int verify_pattern_bytes;
unsigned int verify_fatal;
unsigned int verify_async;