From fd4ae759e0cf74f43ba490585c717033b8259614 Mon Sep 17 00:00:00 2001
From: Mykola Golub <mgolub@suse.com>
Date: Sun, 27 Sep 2020 17:59:49 +0100
Subject: [PATCH] rbd-nbd: don't ignore namespace when unmapping by image spec

Fixes: https://tracker.ceph.com/issues/47665
Signed-off-by: Mykola Golub <mgolub@suse.com>
(cherry picked from commit b360186eb6463811ce19f21e8d24ab7c44dc7279)
---
 qa/workunits/rbd/rbd-nbd.sh  | 12 +++++++++++-
 src/tools/rbd_nbd/rbd-nbd.cc |  4 ++--
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/qa/workunits/rbd/rbd-nbd.sh b/qa/workunits/rbd/rbd-nbd.sh
index bcab06be9f846..fb1510851e5c2 100755
--- a/qa/workunits/rbd/rbd-nbd.sh
+++ b/qa/workunits/rbd/rbd-nbd.sh
@@ -107,7 +107,7 @@ unmap_device()
     for s in 0.5 1 2 4 8 16 32; do
 	sleep ${s}
         rbd-nbd list-mapped | expect_false grep "^${pid}\\b" &&
-            ! ps -p ${pid} -C rbd-nbd &&
+            ps -C rbd-nbd | expect_false grep "^${pid}\\b" &&
             return 0
     done
     return 1
@@ -227,6 +227,16 @@ get_pid ${NS}
 unmap_device "${POOL}/${NS}/${IMAGE}@snap" ${PID}
 DEV=
 
+# unmap by image name test 2
+DEV=`_sudo rbd-nbd map ${POOL}/${IMAGE}`
+get_pid
+pid=$PID
+DEV=`_sudo rbd-nbd map ${POOL}/${NS}/${IMAGE}`
+get_pid ${NS}
+unmap_device ${POOL}/${NS}/${IMAGE} ${PID}
+DEV=
+unmap_device ${POOL}/${IMAGE} ${pid}
+
 # auto unmap test
 DEV=`_sudo rbd-nbd map ${POOL}/${IMAGE}`
 get_pid
diff --git a/src/tools/rbd_nbd/rbd-nbd.cc b/src/tools/rbd_nbd/rbd-nbd.cc
index 77d8e82e29979..a2a911f40a1d1 100644
--- a/src/tools/rbd_nbd/rbd-nbd.cc
+++ b/src/tools/rbd_nbd/rbd-nbd.cc
@@ -1408,8 +1408,8 @@ static bool find_mapped_dev_by_spec(Config *cfg) {
   Config c;
   NBDListIterator it;
   while (it.get(&pid, &c)) {
-    if (c.poolname == cfg->poolname && c.imgname == cfg->imgname &&
-        c.snapname == cfg->snapname) {
+    if (c.poolname == cfg->poolname && c.nsname == cfg->nsname &&
+        c.imgname == cfg->imgname && c.snapname == cfg->snapname) {
       *cfg = c;
       return true;
     }
-- 
2.39.5