Re: [PATCH 29/31] block: always use I_BDEV on file->f_mapping->host to find the bdev

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Subject: Re: [PATCH 29/31] block: always use I_BDEV on file->f_mapping->host to find the bdev
From: Hannes Reinecke <hare@xxxxxxx>
Date: Wed, 7 Jun 2023 15:11:34 +0200
Cc: Vignesh Raghavendra <vigneshr@xxxxxx>, "Rafael J. Wysocki" <rafael@xxxxxxxxxx>, linux-nvme@xxxxxxxxxxxxxxxxxxx, Phillip Potter <phil@xxxxxxxxxxxxxxxx>, Chris Mason <clm@xxxxxx>, dm-devel@xxxxxxxxxx, "Md. Haris Iqbal" <haris.iqbal@xxxxxxxxx>, Pavel Machek <pavel@xxxxxx>, Miquel Raynal <miquel.raynal@xxxxxxxxxxx>, Jack Wang <jinpu.wang@xxxxxxxxx>, linux-nilfs@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, Richard Weinberger <richard@xxxxxx>, linux-pm@xxxxxxxxxxxxxxx, linux-um@xxxxxxxxxxxxxxxxxxx, Josef Bacik <josef@xxxxxxxxxxxxxx>, Coly Li <colyli@xxxxxxx>, linux-block@xxxxxxxxxxxxxxx, linux-bcache@xxxxxxxxxxxxxxx, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, David Sterba <dsterba@xxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-mtd@xxxxxxxxxxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx
In-reply-to: <20230606073950.225178-30-hch@lst.de>
References: <20230606073950.225178-1-hch@lst.de> <20230606073950.225178-30-hch@lst.de>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0

On 6/6/23 09:39, Christoph Hellwig wrote:

Always use I_BDEV(file->f_mapping->host) to find the bdev for a file to
free up file->private_data for other uses.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
  block/fops.c | 18 ++++++++----------
  1 file changed, 8 insertions(+), 10 deletions(-)

Reviewed-by: Hannes Reinecke <hare@xxxxxxx>

Cheers,

Hannes

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References:
- decouple block open flags from fmode_t
  - From: Christoph Hellwig
- [PATCH 29/31] block: always use I_BDEV on file->f_mapping->host to find the bdev
  - From: Christoph Hellwig

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