From: Alexander Boyko <c17825@cray.com>
Date: Wed, 31 Jan 2018 11:17:42 +0000 (-0500)
Subject: LU-10212 test: ESTALE read
X-Git-Tag: 2.10.59~37
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=6e985684b822324143c686e919fe7a75bb16b440

LU-10212 test: ESTALE read

The patch reproduces the issue, when a read rpc come
to OST with a lock handle which has the LDLM_FL_DESTROY
flag. And then a client gets the ESTALE error for a read
operation.

Test-Parameters: trivial testlist=sanity
Signed-off-by: Alexander Boyko <c17825@cray.com>
Cray-bug-id: MRP-4604
Change-Id: I0722fc57a61153b25a05bf7aebce5d7f32bbc95b
Reviewed-on: https://review.whamcloud.com/31101
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Elena Gryaznova <c17455@cray.com>
---

diff --git a/lustre/include/obd_support.h b/lustre/include/obd_support.h
index b309437..1e3fd9b 100644
--- a/lustre/include/obd_support.h
+++ b/lustre/include/obd_support.h
@@ -374,6 +374,7 @@ extern char obd_jobid_var[];
 #define OBD_FAIL_LDLM_WATERMARK_HIGH	 0x328
 
 #define OBD_FAIL_LDLM_GRANT_CHECK        0x32a
+#define OBD_FAIL_LDLM_PROLONG_PAUSE	 0x32b
 
 /* LOCKLESS IO */
 #define OBD_FAIL_LDLM_SET_CONTENTION     0x385
diff --git a/lustre/ldlm/ldlm_extent.c b/lustre/ldlm/ldlm_extent.c
index 35a4c46..623563c 100644
--- a/lustre/ldlm/ldlm_extent.c
+++ b/lustre/ldlm/ldlm_extent.c
@@ -678,6 +678,8 @@ void ldlm_lock_prolong_one(struct ldlm_lock *lock,
 {
 	time64_t timeout;
 
+	OBD_FAIL_TIMEOUT(OBD_FAIL_LDLM_PROLONG_PAUSE, 3);
+
 	if (arg->lpa_export != lock->l_export ||
 	    lock->l_flags & LDLM_FL_DESTROYED)
 		/* ignore unrelated locks */
diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index 4fc5ac2..715a35f 100755
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -16227,6 +16227,39 @@ test_271c() {
 }
 run_test 271c "DoM: IO lock at open saves enqueue RPCs"
 
+test_275() {
+	remote_ost_nodsh && skip "remote OST with nodsh" && return
+	[ $(lustre_version_code ost1) -lt $(version_code 2.10.57) ] &&
+		skip "Need OST version >= 2.10.57" && return 0
+
+	local file=$DIR/$tfile
+	local oss
+
+	oss=$(comma_list $(osts_nodes))
+
+	dd if=/dev/urandom of=$file bs=1M count=2 ||
+		error "failed to create a file"
+	cancel_lru_locks osc
+
+	#lock 1
+	dd if=$file of=/dev/null bs=1M count=1 iflag=direct ||
+		error "failed to read a file"
+
+#define OBD_FAIL_LDLM_PAUSE_CANCEL2      0x31f
+	$LCTL set_param fail_loc=0x8000031f
+
+	cancel_lru_locks osc &
+	sleep 1
+
+#define OBD_FAIL_LDLM_PROLONG_PAUSE      0x32b
+	do_nodes $oss $LCTL set_param fail_loc=0x8000032b
+	#IO takes another lock, but matches the PENDING one
+	#and places it to the IO RPC
+	dd if=$file of=/dev/null bs=1M count=1 iflag=direct ||
+		error "failed to read a file with PENDING lock"
+}
+run_test 275 "Read on a canceled duplicate lock"
+
 test_276() {
 	remote_ost_nodsh && skip "remote OST with nodsh" && return
 	local pid