linux-kernel - [PATCH -next] jbd2: remove unused function '__cp_buffer

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Message-Id: <20230614004443.56937-1-yang.lee@linux.alibaba.com>
Date:   Wed, 14 Jun 2023 08:44:43 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     tytso@....edu
Cc:     jack@...e.com, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org, Yang Li <yang.lee@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH -next] jbd2: remove unused function '__cp_buffer_busy'

The code calling function '__cp_buffer_busy' has been removed, so the
function should also be removed.
silence the warning:
fs/jbd2/checkpoint.c:48:20: warning: unused function '__cp_buffer_busy'

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5518
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 fs/jbd2/checkpoint.c | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c
index 9ec91017a7f3..ba4ae74c7167 100644
--- a/fs/jbd2/checkpoint.c
+++ b/fs/jbd2/checkpoint.c
@@ -40,18 +40,6 @@ static inline void __buffer_unlink(struct journal_head *jh)
 	}
 }
 
-/*
- * Check a checkpoint buffer could be release or not.
- *
- * Requires j_list_lock
- */
-static inline bool __cp_buffer_busy(struct journal_head *jh)
-{
-	struct buffer_head *bh = jh2bh(jh);
-
-	return (jh->b_transaction || buffer_locked(bh) || buffer_dirty(bh));
-}
-
 /*
  * __jbd2_log_wait_for_space: wait until there is space in the journal.
  *
-- 
2.20.1.7.g153144c