linux-ext4 - [PATCH 6/7] ext4: stop trying to verify just initialized bitmap in ext4_read_block_bitmap

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Message-Id: <20230221115919.1918161-7-shikemeng@huaweicloud.com>
Date:   Tue, 21 Feb 2023 19:59:18 +0800
From:   Kemeng Shi <shikemeng@...weicloud.com>
To:     tytso@....edu, adilger.kernel@...ger.ca
Cc:     linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
        shikemeng@...weicloud.com
Subject: [PATCH 6/7] ext4: stop trying to verify just initialized bitmap in ext4_read_block_bitmap_nowait

For case we initialize a bitmap bh, we will set bitmap bh verified.
We can return immediately instead of goto verify to remove unnecessary
work for trying to verify bitmap bh.

Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
---
 fs/ext4/balloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 4de06d68e9e7..dab46274d591 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -484,7 +484,7 @@ ext4_read_block_bitmap_nowait(struct super_block *sb, ext4_group_t block_group,
 		set_buffer_verified(bh);
 		ext4_unlock_group(sb, block_group);
 		unlock_buffer(bh);
-		goto verify;
+		return bh;
 	}
 	ext4_unlock_group(sb, block_group);
 	if (buffer_uptodate(bh)) {
-- 
2.30.0