From: Christoph Hellwig <hch@infradead.org>
To: Ming Lei <tom.leiming@gmail.com>
Cc: Shaohua Li <shli@kernel.org>, Jens Axboe <axboe@fb.com>,
linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org,
linux-block@vger.kernel.org,
Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH v1 02/14] block: introduce bio_remove_last_page()
Date: Sat, 25 Feb 2017 10:23:06 -0800 [thread overview]
Message-ID: <20170225182306.GC26447@infradead.org> (raw)
In-Reply-To: <1487950971-1131-3-git-send-email-tom.leiming@gmail.com>
On Fri, Feb 24, 2017 at 11:42:39PM +0800, Ming Lei wrote:
> MD need this helper to remove the last added page, so introduce
> it.
If MD really has a valid use case for this it should open code the
operation. The semantics look deeply fishy to me.
next prev parent reply other threads:[~2017-02-25 18:23 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-24 15:42 [PATCH v1 00/14] md: cleanup on direct access to bvec table Ming Lei
2017-02-24 15:42 ` [PATCH v1 01/14] block: introduce bio_segments_all() Ming Lei
2017-02-25 18:22 ` Christoph Hellwig
2017-02-28 12:15 ` Ming Lei
2017-02-24 15:42 ` [PATCH v1 02/14] block: introduce bio_remove_last_page() Ming Lei
2017-02-25 18:23 ` Christoph Hellwig [this message]
2017-02-28 12:18 ` Ming Lei
2017-02-24 15:42 ` [PATCH v1 03/14] md: raid1/raid10: use bio_remove_last_page() Ming Lei
2017-02-24 15:42 ` [PATCH v1 04/14] md: move two macros into md.h Ming Lei
2017-02-24 15:42 ` [PATCH v1 05/14] md: prepare for managing resync I/O pages in clean way Ming Lei
2017-02-24 15:42 ` [PATCH v1 06/14] md: raid1: simplify r1buf_pool_free() Ming Lei
2017-02-24 15:42 ` [PATCH v1 07/14] md: raid1: don't use bio's vec table to manage resync pages Ming Lei
2017-02-24 15:42 ` [PATCH v1 08/14] md: raid1: retrieve page from pre-allocated resync page array Ming Lei
2017-02-24 15:42 ` [PATCH v1 09/14] md: raid1: use bio helper in process_checks() Ming Lei
2017-02-24 15:42 ` [PATCH v1 10/14] md: raid1: use bio_segments_all() Ming Lei
2017-02-24 15:42 ` [PATCH v1 11/14] md: raid10: refactor code of read reshape's .bi_end_io Ming Lei
2017-02-24 15:42 ` [PATCH v1 12/14] md: raid10: don't use bio's vec table to manage resync pages Ming Lei
2017-02-24 15:42 ` [PATCH v1 13/14] md: raid10: retrieve page from preallocated resync page array Ming Lei
2017-02-24 15:42 ` [PATCH v1 14/14] md: raid10: avoid direct access to bvec table in handle_reshape_read_error Ming Lei
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