linux-kernel - [PATCH] locking/mutex: Remove repeated declaration

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Date:   Tue, 23 Mar 2021 09:09:34 +0800
From:   Shaokun Zhang <zhangshaokun@...ilicon.com>
To:     <linux-kernel@...r.kernel.org>
CC:     Shaokun Zhang <zhangshaokun@...ilicon.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>,
        Waiman Long <longman@...hat.com>,
        Boqun Feng <boqun.feng@...il.com>
Subject: [PATCH] locking/mutex: Remove repeated declaration

Commit 0cd39f4600ed ("locking/seqlock, headers: Untangle the spaghetti monster")
introduces 'struct ww_acquire_ctx' again, remove the repeated declaration.

Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Will Deacon <will@...nel.org>
Cc: Waiman Long <longman@...hat.com>
Cc: Boqun Feng <boqun.feng@...il.com>
Signed-off-by: Shaokun Zhang <zhangshaokun@...ilicon.com>
---
 include/linux/mutex.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index 0cd631a19727..d80c0e22c822 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -20,8 +20,6 @@
 #include <linux/osq_lock.h>
 #include <linux/debug_locks.h>
 
-struct ww_acquire_ctx;
-
 /*
  * Simple, straightforward mutexes with strict semantics:
  *
-- 
2.7.4