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From a5359ddd052860bacf957e65fe819c63e974b3a6 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Dirk=20M=C3=BCller?= <dmueller@suse.de>
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Date: Tue, 8 Feb 2022 17:50:50 +0100
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Subject: [PATCH] lib/raid6/test: fix multiple definition linking error
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Git-commit: a5359ddd052860bacf957e65fe819c63e974b3a6
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Patch-mainline: v5.18-rc1
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References: git-fixes
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GCC 10+ defaults to -fno-common, which enforces proper declaration of
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external references using "extern". without this change a link would
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fail with:
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lib/raid6/test/algos.c:28: multiple definition of `raid6_call';
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lib/raid6/test/test.c:22: first defined here
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the pq.h header that is included already includes an extern declaration
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so we can just remove the redundant one here.
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Cc: <stable@vger.kernel.org>
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Signed-off-by: Dirk Müller <dmueller@suse.de>
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Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
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Signed-off-by: Song Liu <song@kernel.org>
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---
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lib/raid6/test/test.c | 1 -
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1 file changed, 1 deletion(-)
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diff --git a/lib/raid6/test/test.c b/lib/raid6/test/test.c
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index a3cf071941ab..841a55242aba 100644
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--- a/lib/raid6/test/test.c
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+++ b/lib/raid6/test/test.c
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@@ -19,7 +19,6 @@
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#define NDISKS 16 /* Including P and Q */
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const char raid6_empty_zero_page[PAGE_SIZE] __attribute__((aligned(PAGE_SIZE)));
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-struct raid6_calls raid6_call;
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char *dataptrs[NDISKS];
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char data[NDISKS][PAGE_SIZE] __attribute__((aligned(PAGE_SIZE)));
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--
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2.37.1
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