linux-ext4 - [PATCH] ext4: fix double locking in ext4_fc_commit_dentry

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Message-Id: <20201023161339.1449437-1-harshadshirwadkar@gmail.com>
Date:   Fri, 23 Oct 2020 09:13:39 -0700
From:   Harshad Shirwadkar <harshadshirwadkar@...il.com>
To:     linux-ext4@...r.kernel.org
Cc:     tytso@....edu, Harshad Shirwadkar <harshadshirwadkar@...il.com>
Subject: [PATCH] ext4: fix double locking in ext4_fc_commit_dentry_updates()

Fixed double locking of sbi->s_fc_lock in the above function
as reported by kernel-test-robot.

Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@...il.com>
---
 fs/ext4/fast_commit.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
index 447c8d93f480..1d72f8f13a05 100644
--- a/fs/ext4/fast_commit.c
+++ b/fs/ext4/fast_commit.c
@@ -964,7 +964,6 @@ static int ext4_fc_commit_dentry_updates(journal_t *journal, u32 *crc)
 			fc_dentry->fcd_parent, fc_dentry->fcd_ino,
 			fc_dentry->fcd_name.len,
 			fc_dentry->fcd_name.name, crc)) {
-			spin_lock(&sbi->s_fc_lock);
 			ret = -ENOSPC;
 			goto lock_and_exit;
 		}
-- 
2.29.0.rc2.309.g374f81d7ae-goog