Re: [PATCH 5/6] btrfs: Block writes to seed devices

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To: Jan Kara <jack@xxxxxxx>
Subject: Re: [PATCH 5/6] btrfs: Block writes to seed devices
From: David Sterba <dsterba@xxxxxxx>
Date: Wed, 12 Jul 2023 16:33:05 +0200
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxx>, Ted Tso <tytso@xxxxxxx>, syzkaller <syzkaller@xxxxxxxxxxxxxxxx>, Alexander Popov <alex.popov@xxxxxxxxx>, Eric Biggers <ebiggers@xxxxxxxxxx>, linux-xfs@xxxxxxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx, Dmitry Vyukov <dvyukov@xxxxxxxxxx>
In-reply-to: <20230704125702.23180-5-jack@suse.cz>
References: <20230704122727.17096-1-jack@suse.cz> <20230704125702.23180-5-jack@suse.cz>
Reply-to: dsterba@xxxxxxx
User-agent: Mutt/1.5.23.1-rc1 (2014-03-12)

On Tue, Jul 04, 2023 at 02:56:53PM +0200, Jan Kara wrote:
> When opening seed devices, ask block layer to not allow other writers to
> open block device.

Makes sense, thanks.

Acked-by: David Sterba <dsterba@xxxxxxxx>

References:
- [PATCH RFC 0/6 v2] block: Add config option to not allow writing to mounted devices
  - From: Jan Kara
- [PATCH 5/6] btrfs: Block writes to seed devices
  - From: Jan Kara

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