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@huaweicloud.com>
Link: https://lore.kernel.org/r/20230221115919.1918161-7-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 4de06d68e9e7e78c39cd6bf5aad0b431e6228866..dab46274d591776744bb42da2c00ca120cc5063f 100644 (file)
--- 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)) {