From: Jens Axboe <axboe@kernel.dk>
To: Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
Hannes Reinecke <hare@suse.de>, Jan Kara <jack@suse.cz>
Cc: linux-block@vger.kernel.org, kernel-janitors@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] block: Fix the maximum minor value is blk_alloc_ext_minor()
Date: Mon, 28 Mar 2022 06:36:24 -0600 [thread overview]
Message-ID: <164847098496.6880.2578259301021456744.b4-ty@kernel.dk> (raw)
In-Reply-To: <cc17199798312406b90834e433d2cefe8266823d.1648306232.git.christophe.jaillet@wanadoo.fr>
On Sat, 26 Mar 2022 15:50:46 +0100, Christophe JAILLET wrote:
> ida_alloc_range(..., min, max, ...) returns values from min to max,
> inclusive.
>
> So, NR_EXT_DEVT is a valid idx returned by blk_alloc_ext_minor().
>
> This is an issue because in device_add_disk(), this value is used in:
> ddev->devt = MKDEV(disk->major, disk->first_minor);
> and NR_EXT_DEVT is '(1 << MINORBITS)'.
>
> [...]
Applied, thanks!
[1/1] block: Fix the maximum minor value is blk_alloc_ext_minor()
commit: d1868328dec5ae2cf210111025fcbc71f78dd5ca
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2022-03-28 12:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-26 14:50 [PATCH] block: Fix the maximum minor value is blk_alloc_ext_minor() Christophe JAILLET
2022-03-28 8:20 ` Jan Kara
2022-03-28 12:36 ` Jens Axboe [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=164847098496.6880.2578259301021456744.b4-ty@kernel.dk \
--to=axboe@kernel.dk \
--cc=christophe.jaillet@wanadoo.fr \
--cc=hare@suse.de \
--cc=jack@suse.cz \
--cc=kernel-janitors@vger.kernel.org \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).