From: David Hildenbrand <david@redhat.com>
To: David Howells <dhowells@redhat.com>,
Al Viro <viro@zeniv.linux.org.uk>,
Christoph Hellwig <hch@infradead.org>
Cc: Matthew Wilcox <willy@infradead.org>,
Jens Axboe <axboe@kernel.dk>, Jan Kara <jack@suse.cz>,
Jeff Layton <jlayton@kernel.org>,
Jason Gunthorpe <jgg@nvidia.com>,
Logan Gunthorpe <logang@deltatee.com>,
linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Christoph Hellwig <hch@lst.de>,
John Hubbard <jhubbard@nvidia.com>
Subject: Re: [PATCH v10 5/8] block: Replace BIO_NO_PAGE_REF with BIO_PAGE_REFFED with inverted logic
Date: Thu, 26 Jan 2023 10:28:22 +0100 [thread overview]
Message-ID: <2f39d449-f760-db73-5da5-9d7016f1350f@redhat.com> (raw)
In-Reply-To: <20230125210657.2335748-6-dhowells@redhat.com>
On 25.01.23 22:06, David Howells wrote:
> From: Christoph Hellwig <hch@lst.de>
>
> Replace BIO_NO_PAGE_REF with a BIO_PAGE_REFFED flag that has the inverted
> meaning is only set when a page reference has been acquired that needs to
> be released by bio_release_pages().
>
> Signed-off-by: David Howells <dhowells@redhat.com>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> Reviewed-by: John Hubbard <jhubbard@nvidia.com>
> cc: Al Viro <viro@zeniv.linux.org.uk>
> cc: Jens Axboe <axboe@kernel.dk>
> cc: Jan Kara <jack@suse.cz>
> cc: Matthew Wilcox <willy@infradead.org>
> cc: Logan Gunthorpe <logang@deltatee.com>
> cc: linux-block@vger.kernel.org
> ---
Reviewed-by: David Hildenbrand <david@redhat.com>
--
Thanks,
David / dhildenb
next prev parent reply other threads:[~2023-01-26 9:29 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-25 21:06 [PATCH v10 0/8] iov_iter: Improve page extraction (pin or just list) David Howells
2023-01-25 21:06 ` [PATCH v10 1/8] iov_iter: Define flags to qualify page extraction David Howells
2023-01-26 9:25 ` David Hildenbrand
2023-01-26 9:49 ` David Howells
2023-01-26 9:52 ` David Hildenbrand
2023-01-26 10:33 ` [PATCH] iov_iter: Use __bitwise with the extraction_flags David Howells
2023-01-26 10:41 ` David Hildenbrand
2023-01-26 22:27 ` Al Viro
2023-01-25 21:06 ` [PATCH v10 2/8] iov_iter: Add a function to extract a page list from an iterator David Howells
2023-01-25 21:06 ` [PATCH v10 3/8] iomap: Don't get an reference on ZERO_PAGE for direct I/O block zeroing David Howells
2023-01-25 21:06 ` [PATCH v10 4/8] block: Fix bio_flagged() so that gcc can better optimise it David Howells
2023-01-25 21:06 ` [PATCH v10 5/8] block: Replace BIO_NO_PAGE_REF with BIO_PAGE_REFFED with inverted logic David Howells
2023-01-26 9:28 ` David Hildenbrand [this message]
2023-01-26 9:32 ` David Hildenbrand
2023-01-26 11:34 ` David Howells
2023-01-26 15:14 ` Christoph Hellwig
2023-01-25 21:06 ` [PATCH v10 6/8] block: Add BIO_PAGE_PINNED and associated infrastructure David Howells
2023-01-26 9:29 ` David Hildenbrand
2023-01-25 21:06 ` [PATCH v10 7/8] block: Convert bio_iov_iter_get_pages to use iov_iter_extract_pages David Howells
2023-01-25 21:06 ` [PATCH v10 8/8] block: convert bio_map_user_iov " David Howells
2023-01-26 11:36 ` [PATCH v10 2/8] iov_iter: Add a function to extract a page list from an iterator David Howells
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