Re: [RFC 4/4] bdev: extend bdev inode with it's own super_block

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To: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Subject: Re: [RFC 4/4] bdev: extend bdev inode with it's own super_block
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 8 Jun 2023 06:50:48 -0700
Cc: hch@xxxxxxxxxxxxx, djwong@xxxxxxxxxx, dchinner@xxxxxxxxxx, kbusch@xxxxxxxxxx, willy@xxxxxxxxxxxxx, hare@xxxxxxx, ritesh.list@xxxxxxxxx, rgoldwyn@xxxxxxxx, jack@xxxxxxx, patches@xxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, p.raghav@xxxxxxxxxxx, da.gomez@xxxxxxxxxxx, rohan.puri@xxxxxxxxxxx, rpuri.linux@xxxxxxxxx, corbet@xxxxxxx, jake@xxxxxxx
In-reply-to: <20230608032404.1887046-5-mcgrof@kernel.org>
References: <20230608032404.1887046-1-mcgrof@kernel.org> <20230608032404.1887046-5-mcgrof@kernel.org>

On Wed, Jun 07, 2023 at 08:24:04PM -0700, Luis Chamberlain wrote:
> each block device corresponds to one inode on that super_block. This
> implicates sharing one aops operation though,

No, it does not.

References:
- [RFC 0/4] bdev: allow buffer-head & iomap aops to co-exist
  - From: Luis Chamberlain
- [RFC 4/4] bdev: extend bdev inode with it's own super_block
  - From: Luis Chamberlain

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