Re: [PATCH V4 13/24] block: move queue freezing & elevator_lock into elevator_change()

To: Ming Lei <ming.lei@xxxxxxxxxx>
Subject: Re: [PATCH V4 13/24] block: move queue freezing & elevator_lock into elevator_change()
From: Christoph Hellwig <hch@xxxxxx>
Date: Wed, 30 Apr 2025 16:13:19 +0200
Cc: Jens Axboe <axboe@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, Nilay Shroff <nilay@xxxxxxxxxxxxx>, Shinichiro Kawasaki <shinichiro.kawasaki@xxxxxxx>, Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Hannes Reinecke <hare@xxxxxxx>
In-reply-to: <20250430043529.1950194-14-ming.lei@redhat.com>
References: <20250430043529.1950194-1-ming.lei@redhat.com> <20250430043529.1950194-14-ming.lei@redhat.com>
User-agent: Mutt/1.5.17 (2007-11-01)

FYI, this is the patch that fails to apply for me.

References:
- [PATCH V4 00/24] block: unify elevator changing and fix lockdep warning
  - From: Ming Lei
- [PATCH V4 13/24] block: move queue freezing & elevator_lock into elevator_change()
  - From: Ming Lei