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From: Gao Xiang <hsiangkao@linux.alibaba.com>
To: Yu Kuai <yukuai1@huaweicloud.com>, Jan Kara <jack@suse.cz>
Cc: axboe@kernel.dk, roger.pau@citrix.com, colyli@suse.de,
	kent.overstreet@gmail.com, joern@lazybastard.org,
	miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com,
	sth@linux.ibm.com, hoeppner@linux.ibm.com, hca@linux.ibm.com,
	gor@linux.ibm.com, agordeev@linux.ibm.com, jejb@linux.ibm.com,
	martin.petersen@oracle.com, clm@fb.com, josef@toxicpanda.com,
	dsterba@suse.com, viro@zeniv.linux.org.uk, brauner@kernel.org,
	nico@fluxnic.net, xiang@kernel.org, chao@kernel.org,
	tytso@mit.edu, adilger.kernel@dilger.ca, jack@suse.com,
	konishi.ryusuke@gmail.com, willy@infradead.org,
	akpm@linux-foundation.org, hare@suse.de, p.raghav@samsung.com,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	xen-devel@lists.xenproject.org, linux-bcache@vger.kernel.org,
	linux-mtd@lists.infradead.org, linux-s390@vger.kernel.org,
	linux-scsi@vger.kernel.org, linux-bcachefs@vger.kernel.org,
	linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-erofs@lists.ozlabs.org, linux-ext4@vger.kernel.org,
	linux-nilfs@vger.kernel.org, yi.zhang@huawei.com,
	yangerkun@huawei.com, "yukuai (C)" <yukuai3@huawei.com>
Subject: Re: [PATCH RFC v3 for-6.8/block 11/17] erofs: use bdev api
Date: Fri, 5 Jan 2024 12:43:52 +0800	[thread overview]
Message-ID: <a2c7910c-4c2f-4290-a895-1c4255b2ee62@linux.alibaba.com> (raw)
In-Reply-To: <7f868579-f993-aaa1-b7d7-eccbe0b0173c@huaweicloud.com>



On 2024/1/4 20:32, Yu Kuai wrote:
> Hi, Jan!
> 
> 在 2024/01/04 20:02, Jan Kara 写道:
>> On Thu 21-12-23 16:58:26, Yu Kuai wrote:
>>> From: Yu Kuai <yukuai3@huawei.com>
>>>
>>> Avoid to access bd_inode directly, prepare to remove bd_inode from
>>> block_device.
>>>
>>> Signed-off-by: Yu Kuai <yukuai3@huawei.com>
>>
>> I'm not erofs maintainer but IMO this is quite ugly and grows erofs_buf
>> unnecessarily. I'd rather store 'sb' pointer in erofs_buf and then do the
>> right thing in erofs_bread() which is the only place that seems to care
>> about the erofs_is_fscache_mode() distinction... Also blkszbits is then
>> trivially sb->s_blocksize_bits so it would all seem much more
>> straightforward.
> 
> Thanks for your suggestion, I'll follow this unless Gao Xiang has other
> suggestions.

Yes, that would be better, I'm fine with that.  Yet in the future we
may support a seperate large dirblocksize more than block size, but
we could revisit later.

Thanks,
Gao Xiang

> 
> Kuai
>>
>>                                 Honza
>>

  reply	other threads:[~2024-01-05  4:44 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-21  8:56 [PATCH RFC v3 for-6.8/block 00/17] block: don't access bd_inode directly from other modules Yu Kuai
2023-12-21  8:56 ` [PATCH RFC v3 for-6.8/block 01/17] block: add some bdev apis Yu Kuai
2023-12-21  8:56 ` [PATCH RFC v3 for-6.8/block 02/17] xen/blkback: use bdev api in xen_update_blkif_status() Yu Kuai
2024-01-04 11:06   ` Jan Kara
2024-01-04 12:19     ` Yu Kuai
2024-01-04 15:16       ` Jan Kara
2024-01-05  6:08     ` Christoph Hellwig
2023-12-21  8:56 ` [PATCH RFC v3 for-6.8/block 03/17] bcache: use bdev api in read_super() Yu Kuai
2023-12-21  8:56 ` [PATCH RFC v3 for-6.8/block 04/17] mtd: block2mtd: use bdev apis Yu Kuai
2024-01-04 11:28   ` Jan Kara
2024-01-04 12:22     ` Yu Kuai
2024-01-05  6:10     ` Christoph Hellwig
2024-01-05 10:31       ` Yu Kuai
2023-12-21  8:57 ` [PATCH RFC v3 for-6.8/block 05/17] s390/dasd: use bdev api in dasd_format() Yu Kuai
2023-12-21  8:57 ` [PATCH RFC v3 for-6.8/block 06/17] scsicam: use bdev api in scsi_bios_ptable() Yu Kuai
2023-12-21  8:57 ` [PATCH RFC v3 for-6.8/block 07/17] bcachefs: remove dead function bdev_sectors() Yu Kuai
2024-04-11 17:49   ` Kent Overstreet
2023-12-21  8:57 ` [PATCH RFC v3 for-6.8/block 08/17] bio: export bio_add_folio_nofail() Yu Kuai
2023-12-21  8:57 ` [PATCH RFC v3 for-6.8/block 09/17] btrfs: use bdev apis Yu Kuai
2023-12-23 17:31   ` Matthew Wilcox
2023-12-23 18:39     ` Kent Overstreet
2024-01-04 11:49     ` Jan Kara
2024-04-10 17:28       ` David Sterba
2023-12-21  8:57 ` [PATCH RFC v3 for-6.8/block 10/17] cramfs: use bdev apis in cramfs_blkdev_read() Yu Kuai
2023-12-21  8:58 ` [PATCH RFC v3 for-6.8/block 11/17] erofs: use bdev api Yu Kuai
2024-01-04 12:02   ` Jan Kara
2024-01-04 12:32     ` Yu Kuai
2024-01-05  4:43       ` Gao Xiang [this message]
2023-12-21  8:58 ` [PATCH RFC v3 for-6.8/block 12/17] nilfs2: use bdev api in nilfs_attach_log_writer() Yu Kuai
2023-12-21 14:54   ` Ryusuke Konishi
2023-12-21  8:58 ` [PATCH RFC v3 for-6.8/block 13/17] jbd2: use bdev apis Yu Kuai
2024-01-04 12:11   ` Jan Kara
2023-12-21  8:58 ` [PATCH RFC v3 for-6.8/block 14/17] buffer: add a new helper to read sb block Yu Kuai
2024-01-04 12:22   ` Jan Kara
2023-12-21  8:58 ` [PATCH RFC v3 for-6.8/block 15/17] ext4: use " Yu Kuai
2023-12-21  8:59 ` [PATCH RFC v3 for-6.8/block 16/17] ext4: remove block_device_ejected() Yu Kuai
2023-12-21  8:59 ` [PATCH RFC v3 for-6.8/block 17/17] ext4: use bdev apis Yu Kuai

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