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!109 Fix deadlock due to lock sequence in bdev_unregister_unsafe

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From: @Zht-Try 
Reviewed-by: @swf504 
Signed-off-by: @swf504
This commit is contained in:
openeuler-ci-bot 2024-01-08 02:13:56 +00:00 committed by Gitee
commit 5b9cb995e7
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2 changed files with 32 additions and 1 deletions
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27
0045-Fix-deadlock-due-to-lock-sequence-in-bdev_unregister.patch Normal file
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@ -0,0 +1,27 @@
From 0489d5319ea6a0918c1bc7bd9c3d1da61543467b Mon Sep 17 00:00:00 2001
From: zhanghongtao <zhanghongtao22@huawei.com>
Date: Mon, 18 Dec 2023 19:52:56 +0800
Subject: [PATCH] Fix deadlock due to lock sequence in bdev_unregister_unsafe
Signed-off-by: Hongtao Zhang <zhanghongtao22@huawei.com>
---
lib/bdev/bdev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/bdev/bdev.c b/lib/bdev/bdev.c
index 4c63e8b..64027c6 100644
--- a/lib/bdev/bdev.c
+++ b/lib/bdev/bdev.c
@@ -5758,8 +5758,8 @@ bdev_unregister_unsafe(struct spdk_bdev *bdev)
pthread_mutex_unlock(&bdev->internal.mutex);
pthread_mutex_unlock(&g_bdev_mgr.mutex);
_remove_notify(desc);
- pthread_mutex_lock(&bdev->internal.mutex);
pthread_mutex_lock(&g_bdev_mgr.mutex);
+ pthread_mutex_lock(&bdev->internal.mutex);
}
/* If there are no descriptors, proceed removing the bdev */
--
2.27.0

6
spdk.spec
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@ -4,7 +4,7 @@
Name: spdk Name: spdk
Version: 21.01.1 Version: 21.01.1
Release: 18 Release: 19
Summary: Set of libraries and utilities for high performance user-mode storage Summary: Set of libraries and utilities for high performance user-mode storage
License: BSD and MIT License: BSD and MIT
URL: http://spdk.io URL: http://spdk.io
@ -53,6 +53,7 @@ Patch41: 0041-barrier-LOONGARCH-memory-barriers.patch
Patch42: 0042-nvme-pcie-add-memory-barrier-for-LOONGARCH.patch Patch42: 0042-nvme-pcie-add-memory-barrier-for-LOONGARCH.patch
Patch43: 0043-build-Specify-the-target-build-architecture-for-LOON.patch Patch43: 0043-build-Specify-the-target-build-architecture-for-LOON.patch
Patch44: 0044-lib-bdev-return-error-when-failing-to-get-resource.patch Patch44: 0044-lib-bdev-return-error-when-failing-to-get-resource.patch
Patch45: 0045-Fix-deadlock-due-to-lock-sequence-in-bdev_unregister.patch
%define package_version %{version}-%{release} %define package_version %{version}-%{release}
@ -229,6 +230,9 @@ mv doc/output/html/ %{install_docdir}
%changelog %changelog
* Thu Jan 4 2024 Hongtao Zhang <zhanghongtao22@huawei.com> - 21.01.1-19
- Fix deadlock due to lock sequence in bdev_unregister_unsafe
* Thu Dec 14 2023 Hongtao Zhang <zhanghongtao22@huawei.com> - 21.01.1-18 * Thu Dec 14 2023 Hongtao Zhang <zhanghongtao22@huawei.com> - 21.01.1-18
- Return error when failing to get resource - Return error when failing to get resource