linux-kernel - [PATCH] percpu-rwsem: remove the unused parameter 'read'

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Message-Id: <20240802091901.2546797-1-w@laoqinren.net>
Date: Fri,  2 Aug 2024 17:19:01 +0800
From: Wang Long <w@...qinren.net>
To: viro@...iv.linux.org.uk,
	brauner@...nel.org,
	jack@...e.cz,
	tj@...nel.org,
	cl@...ux.com,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Cc: Wang Long <w@...qinren.net>
Subject: [PATCH] percpu-rwsem: remove the unused parameter 'read'

In the function percpu_rwsem_release, the parameter `read`
is unused, so remove it.

Signed-off-by: Wang Long <w@...qinren.net>
---
 fs/super.c                   | 2 +-
 include/linux/fs.h           | 2 +-
 include/linux/percpu-rwsem.h | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/super.c b/fs/super.c
index 38d72a3cf6fc..216c0d2b7927 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1905,7 +1905,7 @@ static void lockdep_sb_freeze_release(struct super_block *sb)
 	int level;
 
 	for (level = SB_FREEZE_LEVELS - 1; level >= 0; level--)
-		percpu_rwsem_release(sb->s_writers.rw_sem + level, 0, _THIS_IP_);
+		percpu_rwsem_release(sb->s_writers.rw_sem + level, _THIS_IP_);
 }
 
 /*
diff --git a/include/linux/fs.h b/include/linux/fs.h
index fd34b5755c0b..d63809e7ea54 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1683,7 +1683,7 @@ static inline bool __sb_start_write_trylock(struct super_block *sb, int level)
 #define __sb_writers_acquired(sb, lev)	\
 	percpu_rwsem_acquire(&(sb)->s_writers.rw_sem[(lev)-1], 1, _THIS_IP_)
 #define __sb_writers_release(sb, lev)	\
-	percpu_rwsem_release(&(sb)->s_writers.rw_sem[(lev)-1], 1, _THIS_IP_)
+	percpu_rwsem_release(&(sb)->s_writers.rw_sem[(lev)-1], _THIS_IP_)
 
 /**
  * __sb_write_started - check if sb freeze level is held
diff --git a/include/linux/percpu-rwsem.h b/include/linux/percpu-rwsem.h
index 36b942b67b7d..c012df33a9f0 100644
--- a/include/linux/percpu-rwsem.h
+++ b/include/linux/percpu-rwsem.h
@@ -145,7 +145,7 @@ extern void percpu_free_rwsem(struct percpu_rw_semaphore *);
 #define percpu_rwsem_assert_held(sem)	lockdep_assert_held(sem)
 
 static inline void percpu_rwsem_release(struct percpu_rw_semaphore *sem,
-					bool read, unsigned long ip)
+					unsigned long ip)
 {
 	lock_release(&sem->dep_map, ip);
 }
-- 
2.33.0