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Re: [PATCH 11/27] block: add a bdev_write_cache helper
- To: Christoph Hellwig <hch@xxxxxx>
- From: David Sterba <dsterba@xxxxxxx>
- Date: Thu, 7 Apr 2022 17:21:52 +0200
- Cc: Jens Axboe <axboe@xxxxxxxxx>, dm-devel@xxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-um@xxxxxxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, drbd-dev@xxxxxxxxxxxxxxxx, nbd@xxxxxxxxxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-bcache@xxxxxxxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx, linux-mmc@xxxxxxxxxxxxxxx, linux-mtd@xxxxxxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, target-devel@xxxxxxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx, cluster-devel@xxxxxxxxxx, jfs-discussion@xxxxxxxxxxxxxxxxxxxxx, linux-nilfs@xxxxxxxxxxxxxxx, ntfs3@xxxxxxxxxxxxxxx, ocfs2-devel@xxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
- Delivery-date: Thu, 07 Apr 2022 15:26:01 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Mail-followup-to: dsterba@xxxxxxx, Christoph Hellwig <hch@xxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, dm-devel@xxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-um@xxxxxxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, drbd-dev@xxxxxxxxxxxxxxxx, nbd@xxxxxxxxxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-bcache@xxxxxxxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx, linux-mmc@xxxxxxxxxxxxxxx, linux-mtd@xxxxxxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, target-devel@xxxxxxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx, cluster-devel@xxxxxxxxxx, jfs-discussion@xxxxxxxxxxxxxxxxxxxxx, linux-nilfs@xxxxxxxxxxxxxxx, ntfs3@xxxxxxxxxxxxxxx, ocfs2-devel@xxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
On Wed, Apr 06, 2022 at 08:05:00AM +0200, Christoph Hellwig wrote:
> Add a helper to check the write cache flag based on the block_device
> instead of having to poke into the block layer internal request_queue.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
> drivers/block/rnbd/rnbd-srv.c | 2 +-
> drivers/block/xen-blkback/xenbus.c | 2 +-
> drivers/target/target_core_iblock.c | 8 ++------
For
> fs/btrfs/disk-io.c | 3 +--
Acked-by: David Sterba <dsterba@xxxxxxxx>
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