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From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@lst.de>, Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Andrew Morton <akpm@linux-foundation.org>,
	Geoff Levand <geoff@infradead.org>,
	Ilya Dryomov <idryomov@gmail.com>,
	Dongsheng Yang <dongsheng.yang@easystack.cn>,
	Mike Snitzer <snitzer@redhat.com>,
	"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
	Ira Weiny <ira.weiny@intel.com>,
	dm-devel@redhat.com, linux-mips@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, ceph-devel@vger.kernel.org,
Subject: Re: switch the block layer to use kmap_local_page v3
Date: Tue, 27 Jul 2021 19:31:30 -0600	[thread overview]
Message-ID: <eba0b98f-5b0e-32c4-3b09-fa1946192517@kernel.dk> (raw)
In-Reply-To: <20210727055646.118787-1-hch@lst.de>

On 7/26/21 11:56 PM, Christoph Hellwig wrote:
> Hi all,
> this series switches the core block layer code and all users of the
> existing bvec kmap helpers to use kmap_local_page.  Drivers that
> currently use open coded kmap_atomic calls will converted in a follow
> on series.
> To do so a new kunmap variant is added that calls
> flush_kernel_dcache_page.  I'm not entirely sure where to call
> flush_dcache_page vs flush_kernel_dcache_page, so I've tried to follow
> the documentation here, but additional feedback would be welcome.
> Note that the ps3disk has a minir conflict with the
> flush_kernel_dcache_page removal in linux-next through the -mm tree.
> I had hoped that change would go into 5.14, but it seems like it is
> being held for 5.15.

Applied for 5.15, thanks.

Jens Axboe

      parent reply	other threads:[~2021-07-28  1:31 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-27  5:56 switch the block layer to use kmap_local_page v3 Christoph Hellwig
2021-07-27  5:56 ` [PATCH 01/15] MIPS: don't include <linux/genhd.h> in <asm/mach-rc32434/rb.h> Christoph Hellwig
2021-07-27  5:56 ` [PATCH 02/15] bvec: fix the include guards for bvec.h Christoph Hellwig
2021-07-27  5:56 ` [PATCH 03/15] bvec: add a bvec_kmap_local helper Christoph Hellwig
2021-07-27  5:56 ` [PATCH 04/15] bvec: add memcpy_{from,to}_bvec and memzero_bvec helper Christoph Hellwig
2021-07-27  5:56 ` [PATCH 05/15] block: use memzero_page in zero_fill_bio Christoph Hellwig
2021-07-27  5:56 ` [PATCH 06/15] rbd: use memzero_bvec Christoph Hellwig
2021-07-27  5:56 ` [PATCH 07/15] dm-writecache: use bvec_kmap_local instead of bvec_kmap_irq Christoph Hellwig
2021-07-27  5:56 ` [PATCH 08/15] ps3disk: use memcpy_{from,to}_bvec Christoph Hellwig
2021-07-27  5:56 ` [PATCH 09/15] block: remove bvec_kmap_irq and bvec_kunmap_irq Christoph Hellwig
2021-07-27  5:56 ` [PATCH 10/15] block: rewrite bio_copy_data_iter to use bvec_kmap_local and memcpy_to_bvec Christoph Hellwig
2021-07-27  5:56 ` [PATCH 11/15] block: use memcpy_to_bvec in copy_to_high_bio_irq Christoph Hellwig
2021-07-27  5:56 ` [PATCH 12/15] block: use memcpy_from_bvec in bio_copy_kern_endio_read Christoph Hellwig
2021-07-27  5:56 ` [PATCH 13/15] block: use memcpy_from_bvec in __blk_queue_bounce Christoph Hellwig
2021-07-27  5:56 ` [PATCH 14/15] block: use bvec_kmap_local in t10_pi_type1_{prepare,complete} Christoph Hellwig
2021-07-27  5:56 ` [PATCH 15/15] block: use bvec_kmap_local in bio_integrity_process Christoph Hellwig
2021-07-28  1:31 ` Jens Axboe [this message]

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