Re: [PATCH 02/19] block: add a bdev_rw_virt helper

Jens Axboe <[email protected]>
Newsgroups org.kernel.vger.linux-bcache,dev.linux.lists.dm-devel,dev.linux.lists.gfs2,org.kernel.vger.linux-block,org.kernel.vger.linux-btrfs,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-pm,org.kernel.vger.linux-xfs
Message-ID <[email protected]>
On 5/7/25 6:04 AM, Christoph Hellwig wrote:
> +/**
> + * bdev_rw_virt - synchronously read into / write from kernel mapping
> + * @bdev:	block device to access
> + * @sector:	sector to access
> + * @data:	data to read/write
> + * @len:	length in byte to read/write
> + * @op:		operation (e.g. REQ_OP_READ/REQ_OP_WRITE)
> + *
> + * Performs synchronous I/O to @bdev for @data/@len.  @data must be in
> + * the kernel direct mapping and not a vmalloc address.
> + */
> +int bdev_rw_virt(struct block_device *bdev, sector_t sector, void *data,
> +		size_t len, enum req_op op)

I applied the series, but did notice a lot of these - I know some parts
like to use the 2-tab approach, but I still very much like to line these
up. Just a style note for future patches, let's please have it remain
consistent and not drift towards that.

-- 
Jens Axboe
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