[PATCH 03/21] init: write sequence behavior change for verify_only mode

[Ankit Kumar <ankit.kumar@samsung.com>]

Change the behavior for verify_only mode to not disable
verify_write_sequence unless its explicitly enabled.

Update the fio doc. accordingly.

Signed-off-by: Ankit Kumar <ankit.kumar@samsung.com>
---
 HOWTO.rst | 3 ++-
 fio.1     | 3 ++-
 init.c    | 6 ++++--
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/HOWTO.rst b/HOWTO.rst
index 3f2bde18..c7c131e7 100644
--- a/HOWTO.rst
+++ b/HOWTO.rst
@@ -3816,7 +3816,8 @@ Verification
 	invocation of this workload. This option allows one to check data multiple
 	times at a later date without overwriting it. This option makes sense only
 	for workloads that write data, and does not support workloads with the
-	:option:`time_based` option set.
+	:option:`time_based` option set. :option:`verify_write_sequence` will be
+	disabled in this mode, unless its explicitly enabled.
 
 .. option:: do_verify=bool
 
diff --git a/fio.1 b/fio.1
index 3c5f02b3..88d3be81 100644
--- a/fio.1
+++ b/fio.1
@@ -3542,7 +3542,8 @@ Do not perform specified workload, only verify data still matches previous
 invocation of this workload. This option allows one to check data multiple
 times at a later date without overwriting it. This option makes sense only
 for workloads that write data, and does not support workloads with the
-\fBtime_based\fR option set.
+\fBtime_based\fR option set. \fBverify_write_sequence\fR option will be
+disabled in this mode, unless its explicitly enabled.
 .TP
 .BI do_verify \fR=\fPbool
 Run the verify phase after a write phase. Only valid if \fBverify\fR is
diff --git a/init.c b/init.c
index 96a03d98..dc3e7ed1 100644
--- a/init.c
+++ b/init.c
@@ -854,8 +854,10 @@ static int fixup_options(struct thread_data *td)
 			o->verify_interval = gcd(o->min_bs[DDIR_WRITE],
 							o->max_bs[DDIR_WRITE]);
 
-		if (td->o.verify_only)
-			o->verify_write_sequence = 0;
+		if (o->verify_only) {
+			if (!fio_option_is_set(o, verify_write_sequence))
+				o->verify_write_sequence = 0;
+		}
 	}
 
 	if (td->o.oatomic) {
-- 
2.25.1