[PATCH pynfs v2 10/25] server41tests: test no notifications without GFLAG_EXTEND

[Jeff Layton <jlayton@kernel.org>]

Request a dir delegation with NOTIFY4_ADD_ENTRY but without
NOTIFY4_GFLAG_EXTEND. Verify the server issues a CB_RECALL
instead of CB_NOTIFY when a file is created.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 nfs4.1/server41tests/st_dir_deleg.py | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/nfs4.1/server41tests/st_dir_deleg.py b/nfs4.1/server41tests/st_dir_deleg.py
index 808323b89ffa..7d1e664a7923 100644
--- a/nfs4.1/server41tests/st_dir_deleg.py
+++ b/nfs4.1/server41tests/st_dir_deleg.py
@@ -267,3 +267,33 @@ def testDirDelegLinkRecall(t, env):
     ops = [ op.putfh(fh), op.delegreturn(deleg) ]
     res = sess1.compound(ops)
     check(res)
+
+def testDirDelegNoGflag(t, env):
+    """Verify recall instead of notification without NOTIFY4_GFLAG_EXTEND
+
+    FLAGS: dirdeleg all
+    CODE: DIRDELEG7
+    """
+    c = env.c1
+    cb = threading.Event()
+    sess1, fh, deleg = _getDirDeleg(t, env, [NOTIFY4_ADD_ENTRY], cb)
+
+    sess2 = c.new_client_session(b"%s_2" % env.testname(t))
+    claim = open_claim4(CLAIM_NULL, env.testname(t))
+    owner = open_owner4(0, b"owner")
+    how = openflag4(OPEN4_CREATE, createhow4(GUARDED4, {FATTR4_SIZE:0}))
+    open_op = [ op.putfh(fh), op.open(0,
+                                      OPEN4_SHARE_ACCESS_WRITE | OPEN4_SHARE_ACCESS_WANT_NO_DELEG,
+                                      OPEN4_SHARE_DENY_NONE, owner, how, claim) ]
+    slot = sess2.compound_async(open_op)
+    completed = cb.wait(2)
+    env.sleep(.1)
+
+    ops = [ op.putfh(fh), op.delegreturn(deleg) ]
+    res = sess1.compound(ops)
+    check(res)
+
+    if cb.got_notify:
+        fail("Got CB_NOTIFY without GFLAG_EXTEND")
+    if not cb.got_recall:
+        fail("Expected CB_RECALL without GFLAG_EXTEND, but didn't get one")

-- 
2.53.0