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