linux-kernel - [PATCH 03/30] xfs: Add missing annotation to xfs_ail

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Message-Id: <20200223231711.157699-4-jbi.octave@gmail.com>
Date:   Sun, 23 Feb 2020 23:16:44 +0000
From:   Jules Irenge <jbi.octave@...il.com>
To:     boqun.feng@...il.com
Cc:     jbi.octave@...il.com, linux-kernel@...r.kernel.org,
        "Darrick J. Wong" <darrick.wong@...cle.com>,
        linux-xfs@...r.kernel.org (supporter:XFS FILESYSTEM)
Subject: [PATCH 03/30] xfs: Add missing annotation to xfs_ail_check()

Sparse reports a warning at xfs_ail_check()

warning: context imbalance in xfs_ail_check() - unexpected unlock

The root cause is the missing annotation at xfs_ail_check()

Add the missing __must_hold(&ailp->ail_lock) annotation

Signed-off-by: Jules Irenge <jbi.octave@...il.com>
---
 fs/xfs/xfs_trans_ail.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index 00cc5b8734be..58d4ef1b4c05 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -32,6 +32,7 @@ STATIC void
 xfs_ail_check(
 	struct xfs_ail		*ailp,
 	struct xfs_log_item	*lip)
+	__must_hold(&ailp->ail_lock)
 {
 	struct xfs_log_item	*prev_lip;
 	struct xfs_log_item	*next_lip;
-- 
2.24.1