[PATCH 2/2] generic: add tests for read/writes from hugepages-backed buffers

[Joanne Koong <joannelkoong@gmail.com>]

Add generic tests 758 and 759 for testing reads/writes from buffers
backed by hugepages.

Signed-off-by: Joanne Koong <joannelkoong@gmail.com>
---
 common/rc             | 10 ++++++++++
 tests/generic/758     | 23 +++++++++++++++++++++++
 tests/generic/758.out |  4 ++++
 tests/generic/759     | 24 ++++++++++++++++++++++++
 tests/generic/759.out |  4 ++++
 5 files changed, 65 insertions(+)
 create mode 100755 tests/generic/758
 create mode 100644 tests/generic/758.out
 create mode 100755 tests/generic/759
 create mode 100644 tests/generic/759.out

diff --git a/common/rc b/common/rc
index 1b2e4508..33af7fa7 100644
--- a/common/rc
+++ b/common/rc
@@ -3016,6 +3016,16 @@ _require_xfs_io_command()
 	fi
 }
 
+# check that the kernel and system supports huge pages
+_require_thp()
+{
+    thp_status=$(cat /sys/kernel/mm/transparent_hugepage/enabled)
+    if [[ $thp_status == *"[never]"* ]]; then
+	    _notrun "system doesn't support transparent hugepages"
+    fi
+    _require_kernel_config CONFIG_TRANSPARENT_HUGEPAGE
+}
+
 # check that kernel and filesystem support direct I/O, and check if "$1" size
 # aligned (optional) is supported
 _require_odirect()
diff --git a/tests/generic/758 b/tests/generic/758
new file mode 100755
index 00000000..b3bd6e5b
--- /dev/null
+++ b/tests/generic/758
@@ -0,0 +1,23 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# FS QA Test No. 758
+#
+# fsx exercising reads/writes from userspace buffers
+# backed by hugepages
+#
+. ./common/preamble
+_begin_fstest rw auto quick
+
+# Import common functions.
+. ./common/filter
+
+_require_test
+_require_thp
+
+run_fsx -N 10000   	    -l 500000 -h
+run_fsx -N 10000  -o 8192   -l 500000 -h
+run_fsx -N 10000  -o 128000 -l 500000 -h
+
+status=0
+exit
diff --git a/tests/generic/758.out b/tests/generic/758.out
new file mode 100644
index 00000000..af04bb14
--- /dev/null
+++ b/tests/generic/758.out
@@ -0,0 +1,4 @@
+QA output created by 758
+fsx -N 10000 -l 500000 -h
+fsx -N 10000 -o 8192 -l 500000 -h
+fsx -N 10000 -o 128000 -l 500000 -h
diff --git a/tests/generic/759 b/tests/generic/759
new file mode 100755
index 00000000..6dfe2b86
--- /dev/null
+++ b/tests/generic/759
@@ -0,0 +1,24 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# FS QA Test No. 759
+#
+# fsx exercising direct IO reads/writes from userspace buffers
+# backed by hugepages
+#
+. ./common/preamble
+_begin_fstest rw auto quick
+
+# Import common functions.
+. ./common/filter
+
+_require_test
+_require_odirect
+_require_thp
+
+run_fsx -N 10000            -l 500000 -Z -R -W -h
+run_fsx -N 10000  -o 8192   -l 500000 -Z -R -W -h
+run_fsx -N 10000  -o 128000 -l 500000 -Z -R -W -h
+
+status=0
+exit
diff --git a/tests/generic/759.out b/tests/generic/759.out
new file mode 100644
index 00000000..18d21229
--- /dev/null
+++ b/tests/generic/759.out
@@ -0,0 +1,4 @@
+QA output created by 759
+fsx -N 10000 -l 500000 -Z -R -W -h
+fsx -N 10000 -o 8192 -l 500000 -Z -R -W -h
+fsx -N 10000 -o 128000 -l 500000 -Z -R -W -h
-- 
2.47.1