93 lines
2.7 KiB
Diff
93 lines
2.7 KiB
Diff
From 7fe21767d3ab65a686518d2e36d18a07f535972e Mon Sep 17 00:00:00 2001
|
|
From: Yu Kuai <yukuai3@huawei.com>
|
|
Date: Mon, 29 May 2023 21:28:19 +0800
|
|
Subject: [PATCH 144/165] tests: add a new test for rdev lifetime
|
|
|
|
This test add and remove a underlying disk to raid concurretly, verify
|
|
that the following problem is fixed:
|
|
|
|
run mdadm test 23rdev-lifetime at Fri Apr 28 03:25:30 UTC 2023
|
|
md: could not open device unknown-block(1,0).
|
|
sysfs: cannot create duplicate filename '/devices/virtual/block/md0/md/dev-ram0'
|
|
CPU: 26 PID: 10521 Comm: test Not tainted 6.3.0-rc2-00134-g7b3a8828043c #115
|
|
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.1-2.fc37 04/014
|
|
Call Trace:
|
|
<TASK>
|
|
dump_stack_lvl+0xe7/0x180
|
|
dump_stack+0x18/0x30
|
|
sysfs_warn_dup+0xa2/0xd0
|
|
sysfs_create_dir_ns+0x119/0x140
|
|
kobject_add_internal+0x143/0x4d0
|
|
kobject_add_varg+0x35/0x70
|
|
kobject_add+0x64/0xd0
|
|
bind_rdev_to_array+0x254/0x840 [md_mod]
|
|
new_dev_store+0x14d/0x350 [md_mod]
|
|
md_attr_store+0xc1/0x1a0 [md_mod]
|
|
sysfs_kf_write+0x51/0x70
|
|
kernfs_fop_write_iter+0x188/0x270
|
|
vfs_write+0x27e/0x460
|
|
ksys_write+0x85/0x180
|
|
__x64_sys_write+0x21/0x30
|
|
do_syscall_64+0x6c/0xe0
|
|
entry_SYSCALL_64_after_hwframe+0x63/0xcd
|
|
RIP: 0033:0x7f26bacf5387
|
|
Code: 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 84
|
|
RSP: 002b:00007ffe98d79e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
|
|
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f26bacf5387
|
|
RDX: 0000000000000004 RSI: 000055bd10282bf0 RDI: 0000000000000001
|
|
RBP: 000055bd10282bf0 R08: 000000000000000a R09: 00007f26bad8b4e0
|
|
R10: 00007f26bad8b3e0 R11: 0000000000000246 R12: 0000000000000004
|
|
R13: 00007f26badc8520 R14: 0000000000000004 R15: 00007f26badc8700
|
|
</TASK>
|
|
|
|
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
|
|
Signed-off-by: Jes Sorensen <jes@trained-monkey.org>
|
|
---
|
|
tests/23rdev-lifetime | 34 ++++++++++++++++++++++++++++++++++
|
|
1 file changed, 34 insertions(+)
|
|
create mode 100644 tests/23rdev-lifetime
|
|
|
|
diff --git a/tests/23rdev-lifetime b/tests/23rdev-lifetime
|
|
new file mode 100644
|
|
index 00000000..1750b0db
|
|
--- /dev/null
|
|
+++ b/tests/23rdev-lifetime
|
|
@@ -0,0 +1,34 @@
|
|
+devname=${dev0##*/}
|
|
+devt=`cat /sys/block/$devname/dev`
|
|
+pid=""
|
|
+runtime=2
|
|
+
|
|
+clean_up_test() {
|
|
+ pill -9 $pid
|
|
+ echo clear > /sys/block/md0/md/array_state
|
|
+}
|
|
+
|
|
+trap 'clean_up_test' EXIT
|
|
+
|
|
+add_by_sysfs() {
|
|
+ while true; do
|
|
+ echo $devt > /sys/block/md0/md/new_dev
|
|
+ done
|
|
+}
|
|
+
|
|
+remove_by_sysfs(){
|
|
+ while true; do
|
|
+ echo remove > /sys/block/md0/md/dev-${devname}/state
|
|
+ done
|
|
+}
|
|
+
|
|
+echo md0 > /sys/module/md_mod/parameters/new_array || die "create md0 failed"
|
|
+
|
|
+add_by_sysfs &
|
|
+pid="$pid $!"
|
|
+
|
|
+remove_by_sysfs &
|
|
+pid="$pid $!"
|
|
+
|
|
+sleep $runtime
|
|
+exit 0
|
|
--
|
|
2.40.1
|
|
|