Merge PR ceph#62031 into main

* refs/pull/62031/head:
	qa: test fio with multiple versions of NFS

Reviewed-by: Kotresh Hiremath Ravishankar <[email protected]>
Reviewed-by: Patrick Donnelly <[email protected]>
Reviewed-by: Venky Shankar <[email protected]>

Author: batrick

qa/suites/fs/nfs/nfs-version/$

@@ -0,0 +1 @@
+../.qa/

qa/suites/fs/nfs/nfs-version/.qa

@@ -0,0 +1,2 @@
+nfs:
+  vers: 4.1

qa/suites/fs/nfs/nfs-version/4.1.yaml

@@ -0,0 +1,2 @@
+nfs:
+  vers: 4.2

qa/suites/fs/nfs/nfs-version/4.2.yaml

@@ -0,0 +1,2 @@
+nfs:
+  vers: latest

qa/suites/fs/nfs/nfs-version/unset.yaml

@@ -379,9 +379,19 @@ def _mnt_nfs(self, pseudo_path, port, ip):
         tries = 3
         while True:
             try:
-                self.ctx.cluster.run(
-                    args=['sudo', 'mount', '-t', 'nfs', '-o', f'port={port}',
-                          f'{ip}:{pseudo_path}', '/mnt'])
+                # TODO: NFS V4.2 is failing with libaio read.
+                # TODO: Reference: https://tracker.ceph.com/issues/70203
+                nfs_version_conf = self.ctx['config'].get('nfs', {})
+                nfs_version = nfs_version_conf.get('vers', 'latest')
+                if nfs_version == "latest":
+                    self.ctx.cluster.run(
+                        args=['sudo', 'mount', '-t', 'nfs', '-o', f'port={port}',
+                              f'{ip}:{pseudo_path}', '/mnt'])
+                else:
+                    self.ctx.cluster.run(
+                        args=['sudo', 'mount', '-t', 'nfs', '-o', f'port={port},vers={nfs_version}',
+                              f'{ip}:{pseudo_path}', '/mnt'])
+                    pass
                 break
             except CommandFailedError:
                 if tries: