From: Jan Kara <jack@suse.cz>
To: Zhang Yi <yi.zhang@huawei.com>
Cc: linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, cluster-devel@redhat.com,
ntfs3@lists.linux.dev, ocfs2-devel@oss.oracle.com,
reiserfs-devel@vger.kernel.org, jack@suse.cz, tytso@mit.edu,
akpm@linux-foundation.org, axboe@kernel.dk,
viro@zeniv.linux.org.uk, rpeterso@redhat.com,
agruenba@redhat.com, almaz.alexandrovich@paragon-software.com,
mark@fasheh.com, dushistov@mail.ru, hch@infradead.org,
chengzhihao1@huawei.com, yukuai3@huawei.com
Subject: Re: [PATCH v2 13/14] ext2: replace bh_submit_read() helper with bh_read_locked()
Date: Thu, 1 Sep 2022 17:59:54 +0200 [thread overview]
Message-ID: <20220901155954.4xwvu25bkhgz4uro@quack3> (raw)
In-Reply-To: <20220901133505.2510834-14-yi.zhang@huawei.com>
On Thu 01-09-22 21:35:04, Zhang Yi wrote:
> bh_submit_read() and the uptodate check logic in bh_uptodate_or_lock()
> has been integrated in bh_read() helper, so switch to use it directly.
>
> Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Looks good to me. Feel free to add:
Reviewed-by: Jan Kara <jack@suse.cz>
Honza
> ---
> fs/ext2/balloc.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
> index c17ccc19b938..5dc0a31f4a08 100644
> --- a/fs/ext2/balloc.c
> +++ b/fs/ext2/balloc.c
> @@ -126,6 +126,7 @@ read_block_bitmap(struct super_block *sb, unsigned int block_group)
> struct ext2_group_desc * desc;
> struct buffer_head * bh = NULL;
> ext2_fsblk_t bitmap_blk;
> + int ret;
>
> desc = ext2_get_group_desc(sb, block_group, NULL);
> if (!desc)
> @@ -139,10 +140,10 @@ read_block_bitmap(struct super_block *sb, unsigned int block_group)
> block_group, le32_to_cpu(desc->bg_block_bitmap));
> return NULL;
> }
> - if (likely(bh_uptodate_or_lock(bh)))
> + ret = bh_read(bh, 0);
> + if (ret > 0)
> return bh;
> -
> - if (bh_submit_read(bh) < 0) {
> + if (ret < 0) {
> brelse(bh);
> ext2_error(sb, __func__,
> "Cannot read block bitmap - "
> --
> 2.31.1
>
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
next prev parent reply other threads:[~2022-09-01 15:59 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-01 13:34 [PATCH v2 00/14] fs/buffer: remove ll_rw_block() Zhang Yi
2022-09-01 13:34 ` [PATCH v2 01/14] fs/buffer: remove __breadahead_gfp() Zhang Yi
2022-09-05 5:52 ` Christoph Hellwig
2022-09-01 13:34 ` [PATCH v2 02/14] fs/buffer: add some new buffer read helpers Zhang Yi
2022-09-01 15:44 ` Jan Kara
2022-09-05 5:52 ` Christoph Hellwig
2022-09-01 13:34 ` [PATCH v2 03/14] fs/buffer: replace ll_rw_block() Zhang Yi
2022-09-01 15:45 ` Jan Kara
2022-09-05 5:53 ` Christoph Hellwig
2022-09-01 13:34 ` [PATCH v2 04/14] gfs2: " Zhang Yi
2022-09-01 15:46 ` Jan Kara
2022-09-05 5:54 ` Christoph Hellwig
2022-09-05 14:10 ` Andreas Gruenbacher
2022-09-01 13:34 ` [PATCH v2 05/14] isofs: " Zhang Yi
2022-09-05 5:54 ` Christoph Hellwig
2022-09-01 13:34 ` [PATCH v2 06/14] jbd2: " Zhang Yi
2022-09-01 15:50 ` Jan Kara
2022-09-05 5:54 ` Christoph Hellwig
2022-09-05 8:23 ` Theodore Ts'o
2022-09-01 13:34 ` [PATCH v2 07/14] ntfs3: " Zhang Yi
2022-09-01 15:47 ` Jan Kara
2022-09-05 5:54 ` Christoph Hellwig
2022-09-01 13:34 ` [PATCH v2 08/14] ocfs2: " Zhang Yi
2022-09-01 15:51 ` Jan Kara
2022-09-05 5:55 ` Christoph Hellwig
2022-09-01 13:35 ` [PATCH v2 09/14] reiserfs: " Zhang Yi
2022-09-01 15:52 ` Jan Kara
2022-09-05 5:55 ` Christoph Hellwig
2022-09-01 13:35 ` [PATCH v2 10/14] udf: " Zhang Yi
2022-09-01 15:58 ` Jan Kara
2022-09-05 5:55 ` Christoph Hellwig
2022-09-01 13:35 ` [PATCH v2 11/14] ufs: " Zhang Yi
2022-09-01 15:59 ` Jan Kara
2022-09-05 5:56 ` Christoph Hellwig
2022-09-01 13:35 ` [PATCH v2 12/14] fs/buffer: remove ll_rw_block() helper Zhang Yi
2022-09-05 5:56 ` Christoph Hellwig
2022-09-01 13:35 ` [PATCH v2 13/14] ext2: replace bh_submit_read() helper with bh_read_locked() Zhang Yi
2022-09-01 15:59 ` Jan Kara [this message]
2022-09-02 0:30 ` Al Viro
2022-09-02 1:32 ` Zhang Yi
2022-09-02 1:51 ` Al Viro
2022-09-02 1:58 ` Zhang Yi
2022-09-05 5:56 ` Christoph Hellwig
2022-09-01 13:35 ` [PATCH v2 14/14] fs/buffer: remove bh_submit_read() helper Zhang Yi
2022-09-05 5:57 ` Christoph Hellwig
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