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Merge branch 'alignment' of https://github.com/omor1/fio
[fio.git]
/
options.c
diff --git
a/options.c
b/options.c
index 85574d7f818a2c33a9fc534d74793431914a4f14..b489e90210ae008be47b427195242a56272daa90 100644
(file)
--- a/
options.c
+++ b/
options.c
@@
-1306,8
+1306,17
@@
static int str_buffer_pattern_cb(void *data, const char *input)
assert(ret != 0);
td->o.buffer_pattern_bytes = ret;
assert(ret != 0);
td->o.buffer_pattern_bytes = ret;
- if (!td->o.compress_percentage)
+
+ /*
+ * If this job is doing any reading or has compression set,
+ * ensure that we refill buffers for writes or we could be
+ * invalidating the pattern through reads.
+ */
+ if (!td->o.compress_percentage && !td_read(td))
td->o.refill_buffers = 0;
td->o.refill_buffers = 0;
+ else
+ td->o.refill_buffers = 1;
+
td->o.scramble_buffers = 0;
td->o.zero_buffers = 0;
td->o.scramble_buffers = 0;
td->o.zero_buffers = 0;