linux-kernel - [PATCH v2 7/7] ext4: check buffer_verified in advance to avoid unneeded ext4_get_group

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Message-Id: <20240820132234.2759926-8-shikemeng@huaweicloud.com>
Date: Tue, 20 Aug 2024 21:22:34 +0800
From: Kemeng Shi <shikemeng@...weicloud.com>
To: tytso@....edu,
	adilger.kernel@...ger.ca
Cc: harshadshirwadkar@...il.com,
	darrick.wong@...cle.com,
	akpm@...l.org,
	shaggy@...tin.ibm.com,
	linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 7/7] ext4: check buffer_verified in advance to avoid unneeded ext4_get_group_info()

Check buffer_verified in advance to avoid unneeded ext4_get_group_info().
This could be a simple cleanup as compiler may handle this.

Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
---
 fs/ext4/ialloc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index daacb9f0ef50..7f1a5f90dbbd 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -87,10 +87,10 @@ static int ext4_validate_inode_bitmap(struct super_block *sb,
 	if (EXT4_SB(sb)->s_mount_state & EXT4_FC_REPLAY)
 		return 0;
 
-	grp = ext4_get_group_info(sb, block_group);
-
 	if (buffer_verified(bh))
 		return 0;
+
+	grp = ext4_get_group_info(sb, block_group);
 	if (!grp || EXT4_MB_GRP_IBITMAP_CORRUPT(grp))
 		return -EFSCORRUPTED;
 
-- 
2.30.0