From cf91e543ed95b107429bf691f50523c6f5fce01c Mon Sep 17 00:00:00 2001
From: Ilya Dryomov <idryomov@gmail.com>
Date: Thu, 8 Aug 2024 22:01:47 +0200
Subject: [PATCH] qa: cover a custom object size in krbd_discard_granularity.t

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
(cherry picked from commit e8126bf2f6411069da5074ac3a5a2ea16c0bba0c)
---
 qa/rbd/krbd_discard_granularity.t | 44 +++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/qa/rbd/krbd_discard_granularity.t b/qa/rbd/krbd_discard_granularity.t
index ceaf7657d2599..8001786b0abe2 100644
--- a/qa/rbd/krbd_discard_granularity.t
+++ b/qa/rbd/krbd_discard_granularity.t
@@ -1,4 +1,6 @@
 
+Default object size:
+
   $ rbd create --size 20M img
 
   $ DEV=$(sudo rbd map img)
@@ -38,3 +40,45 @@
   $ sudo rbd unmap $DEV
 
   $ rbd rm --no-progress img
+
+Custom object size:
+
+  $ rbd create --size 20M --object-size 1M img
+
+  $ DEV=$(sudo rbd map img)
+  $ blockdev --getiomin $DEV
+  65536
+  $ blockdev --getioopt $DEV
+  1048576
+  $ cat /sys/block/${DEV#/dev/}/queue/discard_granularity
+  65536
+  $ sudo rbd unmap $DEV
+
+  $ DEV=$(sudo rbd map -o alloc_size=512 img)
+  $ blockdev --getiomin $DEV
+  512
+  $ blockdev --getioopt $DEV
+  1048576
+  $ cat /sys/block/${DEV#/dev/}/queue/discard_granularity
+  512
+  $ sudo rbd unmap $DEV
+
+  $ DEV=$(sudo rbd map -o alloc_size=1048576 img)
+  $ blockdev --getiomin $DEV
+  1048576
+  $ blockdev --getioopt $DEV
+  1048576
+  $ cat /sys/block/${DEV#/dev/}/queue/discard_granularity
+  1048576
+  $ sudo rbd unmap $DEV
+
+  $ DEV=$(sudo rbd map -o alloc_size=2097152 img)
+  $ blockdev --getiomin $DEV
+  1048576
+  $ blockdev --getioopt $DEV
+  1048576
+  $ cat /sys/block/${DEV#/dev/}/queue/discard_granularity
+  1048576
+  $ sudo rbd unmap $DEV
+
+  $ rbd rm --no-progress img
-- 
2.39.5