Re: [PATCH 30/31] block: store the holder in file->private_data

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To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: [PATCH 30/31] block: store the holder in file->private_data
From: Christian Brauner <brauner@xxxxxxxxxx>
Date: Wed, 7 Jun 2023 11:24:55 +0200
Cc: Jens Axboe <axboe@xxxxxxxxx>, Richard Weinberger <richard@xxxxxx>, Josef Bacik <josef@xxxxxxxxxxxxxx>, "Md. Haris Iqbal" <haris.iqbal@xxxxxxxxx>, Jack Wang <jinpu.wang@xxxxxxxxx>, Phillip Potter <phil@xxxxxxxxxxxxxxxx>, Coly Li <colyli@xxxxxxx>, Miquel Raynal <miquel.raynal@xxxxxxxxxxx>, Vignesh Raghavendra <vigneshr@xxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, Chris Mason <clm@xxxxxx>, David Sterba <dsterba@xxxxxxxx>, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, "Rafael J. Wysocki" <rafael@xxxxxxxxxx>, Pavel Machek <pavel@xxxxxx>, dm-devel@xxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-um@xxxxxxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, linux-bcache@xxxxxxxxxxxxxxx, linux-mtd@xxxxxxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx, linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx, linux-nilfs@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-pm@xxxxxxxxxxxxxxx
In-reply-to: <20230606073950.225178-31-hch@lst.de>

On Tue, Jun 06, 2023 at 09:39:49AM +0200, Christoph Hellwig wrote:
> Store the file struct used as the holder in file->private_data as an
> indicator that this file descriptor was opened exclusively to  remove
> the last use of FMODE_EXCL.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---

Feels a bit odd to store the object itself but anyway,
Acked-by: Christian Brauner <brauner@xxxxxxxxxx>

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References:
- decouple block open flags from fmode_t
  - From: Christoph Hellwig
- [PATCH 30/31] block: store the holder in file->private_data
  - From: Christoph Hellwig

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