[PATCH blktests v2 9/9] md/rc: test atomic writes for dm-mirror

[John Garry <john.g.garry@oracle.com>]

Raise the required device size to 16MB, which would be enough to create a
2M mirror array.

Signed-off-by: John Garry <john.g.garry@oracle.com>
---
 tests/md/002     |  2 +-
 tests/md/002.out | 13 +++++++++++++
 tests/md/003     |  2 +-
 tests/md/rc      | 17 +++++++++++++----
 4 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/tests/md/002 b/tests/md/002
index b0cbeb9..1af4bfb 100755
--- a/tests/md/002
+++ b/tests/md/002
@@ -23,7 +23,7 @@ test() {
 		num_tgts=1
 		add_host=4
 		per_host_store=true
-		dev_size_mb=5
+		dev_size_mb=16
 	)
 
 	echo "Running md_atomics_test"
diff --git a/tests/md/002.out b/tests/md/002.out
index cce1b1c..c6628bf 100644
--- a/tests/md/002.out
+++ b/tests/md/002.out
@@ -181,4 +181,17 @@ TEST 9 dm-stripe step 4 - perform a pwritev2 with size of sysfs_atomic_unit_max_
 TEST 10 dm-stripe step 4 - perform a pwritev2 with size of sysfs_atomic_unit_min_bytes with RWF_ATOMIC flag - pwritev2 should fail - pass
 pwrite: Invalid argument
 TEST 11 dm-stripe step 4 - perform a pwritev2 with a size of sysfs_atomic_write_unit_max_bytes - LBS bytes with RWF_ATOMIC flag - pwritev2 should fail - pass
+TEST 1 dm-mirror step 1 - Verify md sysfs atomic attributes matches - pass
+TEST 2 dm-mirror step 1 - Verify sysfs atomic attributes - pass
+TEST 3 dm-mirror step 1 - Verify md sysfs_atomic_write_max is equal to expected_atomic_write_max - pass
+TEST 4 dm-mirror step 1 - Verify sysfs atomic_write_unit_max_bytes =  expected_atomic_write_unit_max - pass
+TEST 5 dm-mirror step 1 - Verify sysfs atomic_write_unit_boundary_bytes = expected atomic_write_unit_boundary_bytes - pass
+TEST 6 dm-mirror step 1 - Verify statx stx_atomic_write_unit_min - pass
+TEST 7 dm-mirror step 1 - Verify statx stx_atomic_write_unit_max - pass
+TEST 8 dm-mirror step 1 - perform a pwritev2 with size of sysfs_atomic_unit_max_bytes with RWF_ATOMIC flag - pwritev2 should fail - pass
+pwrite: Invalid argument
+TEST 9 dm-mirror step 1 - perform a pwritev2 with size of sysfs_atomic_unit_max_bytes + LBS bytes with RWF_ATOMIC flag - pwritev2 should not be succesful - pass
+TEST 10 dm-mirror step 1 - perform a pwritev2 with size of sysfs_atomic_unit_min_bytes with RWF_ATOMIC flag - pwritev2 should fail - pass
+pwrite: Invalid argument
+TEST 11 dm-mirror step 1 - perform a pwritev2 with a size of sysfs_atomic_write_unit_max_bytes - LBS bytes with RWF_ATOMIC flag - pwritev2 should fail - pass
 Test complete
diff --git a/tests/md/003 b/tests/md/003
index b9b2075..83746ae 100755
--- a/tests/md/003
+++ b/tests/md/003
@@ -18,7 +18,7 @@ requires() {
 
 device_requires() {
 	_require_test_dev_is_nvme
-	_require_test_dev_size 5m
+	_require_test_dev_size 16m
 }
 
 test_device_array() {
diff --git a/tests/md/rc b/tests/md/rc
index 9f0472e..ba9013d 100644
--- a/tests/md/rc
+++ b/tests/md/rc
@@ -20,6 +20,7 @@ _stacked_atomic_test_requires() {
 	_have_driver raid1
 	_have_driver raid10
 	_have_driver dm-mod
+	_have_driver dm-mirror
 	_have_program vgcreate
 	_have_program lvm
 }
@@ -157,8 +158,7 @@ _md_atomics_test() {
 		raw_atomic_write_boundary=0;
 	fi
 
-
-	for personality in raid0 raid1 raid10 dm-linear dm-stripe; do
+	for personality in raid0 raid1 raid10 dm-linear dm-stripe dm-mirror; do
 		local step_limit
 		if [ "$personality" = raid0 ] || [ "$personality" = raid10 ] || \
 		    [ "$personality" = dm-stripe ]
@@ -227,7 +227,8 @@ _md_atomics_test() {
 				md_dev=$(readlink /dev/md/blktests_md | sed 's|\.\./||')
 			fi
 
-			if [ "$personality" = dm-linear ] || [ "$personality" = dm-stripe ]
+			if [ "$personality" = dm-linear ] || [ "$personality" = dm-stripe ] || \
+				[ "$personality" = dm-mirror ]
 			then
 				for i in "${MD_DEVICES[@]}"; do
 					pvremove --force /dev/"$i" 2> /dev/null 1>&2
@@ -266,6 +267,13 @@ _md_atomics_test() {
 				md_dev=$(readlink /dev/mapper/blktests_vg00-blktests_lv | sed 's|\.\./||')
 			fi
 
+			if [ "$personality" = dm-mirror ]
+			then
+				echo y | lvm lvcreate --type mirror -m3  -L 2M -n blktests_lv blktests_vg00 2> /dev/null 1>&2
+
+				md_dev=$(readlink /dev/mapper/blktests_vg00-blktests_lv | sed 's|\.\./||')
+			fi
+
 			md_dev_sysfs="/sys/devices/virtual/block/${md_dev}"
 
 			sysfs_logical_block_size=$(< "${md_dev_sysfs}"/queue/logical_block_size)
@@ -437,7 +445,8 @@ _md_atomics_test() {
 				done
 			fi
 
-			if [ "$personality" = dm-linear ] || [ "$personality" = dm-stripe ]
+			if [ "$personality" = dm-linear ] || [ "$personality" = dm-stripe ] || \
+				[ "$personality" = dm-mirror ]
 			then
 				lvremove --force  /dev/mapper/blktests_vg00-blktests_lv  2> /dev/null 1>&2
 				vgremove --force blktests_vg00 2> /dev/null 1>&2
-- 
2.43.5