Re: [PATCH v8 03/10] mm: Provide a helper to drop a pin/ref on a page

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To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [PATCH v8 03/10] mm: Provide a helper to drop a pin/ref on a page
From: David Howells <dhowells@xxxxxxxxxx>
Date: Tue, 24 Jan 2023 15:04:39 +0000
Cc: dhowells@xxxxxxxxxx, David Hildenbrand <david@xxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Jeff Layton <jlayton@xxxxxxxxxx>, Logan Gunthorpe <logang@xxxxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxx>, linux-mm@xxxxxxxxx
In-reply-to: <Y8/wwy6OJEqjzRfZ@infradead.org>
Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903
References: <Y8/wwy6OJEqjzRfZ@infradead.org> <fc18c4c9-09f2-0ca1-8525-5ce671db36c5@redhat.com> <20230123173007.325544-1-dhowells@redhat.com> <20230123173007.325544-4-dhowells@redhat.com> <874546.1674571293@warthog.procyon.org.uk>

Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:

> The only place where we have both is in the block layer.  It never gets
> set by bio_set_cleanup_mode.

It gets set directly by patch 6.

David

References:
- Re: [PATCH v8 03/10] mm: Provide a helper to drop a pin/ref on a page
  - From: Christoph Hellwig
- Re: [PATCH v8 03/10] mm: Provide a helper to drop a pin/ref on a page
  - From: David Hildenbrand
- [PATCH v8 00/10] iov_iter: Improve page extraction (pin or just list)
  - From: David Howells
- [PATCH v8 03/10] mm: Provide a helper to drop a pin/ref on a page
  - From: David Howells
- Re: [PATCH v8 03/10] mm: Provide a helper to drop a pin/ref on a page
  - From: David Howells

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