On Fri, Dec 11, 2020 at 9:56 PM Johannes Thumshirn
wrote:
>
> On 11/12/2020 15:57, SelvaKumar S wrote:
> [...]
> > +int blk_copy_emulate(struct block_device *bdev, struct blk_copy_payload
> > *payload,
> > + gfp_t gfp_mask)
> > +{
> > + struct request_queue *q = bdev_get_queue(bde
On Fri, Dec 11, 2020 at 11:35 PM Keith Busch wrote:
>
> On Fri, Dec 11, 2020 at 07:21:38PM +0530, SelvaKumar S wrote:
> > +int blk_copy_emulate(struct block_device *bdev, struct blk_copy_payload
> > *payload,
> > + gfp_t gfp_mask)
> > +{
> > + struct request_queue *q = bdev_get_qu
On Fri, Dec 11, 2020 at 07:21:38PM +0530, SelvaKumar S wrote:
> +int blk_copy_emulate(struct block_device *bdev, struct blk_copy_payload
> *payload,
> + gfp_t gfp_mask)
> +{
> + struct request_queue *q = bdev_get_queue(bdev);
> + struct bio *bio;
> + void *buf = NULL;
> +
On Fri, 11 Dec 2020, Johannes Thumshirn wrote:
> On 11/12/2020 15:57, SelvaKumar S wrote:
> [...]
> > +int blk_copy_emulate(struct block_device *bdev, struct blk_copy_payload
> > *payload,
> > + gfp_t gfp_mask)
> > +{
> > + struct request_queue *q = bdev_get_queue(bdev);
> > + s
On 11/12/2020 15:57, SelvaKumar S wrote:
[...]
> +int blk_copy_emulate(struct block_device *bdev, struct blk_copy_payload
> *payload,
> + gfp_t gfp_mask)
> +{
> + struct request_queue *q = bdev_get_queue(bdev);
> + struct bio *bio;
> + void *buf = NULL;
> + int i, nr_s
Add new BLKCOPY ioctl that offloads copying of multiple sources
to a destination to the device. Accept copy_ranges that contains
destination, no of sources and pointer to the array of source
ranges. Each range_entry contains start and length of source
ranges (in bytes).
Introduce REQ_OP_COPY, a no
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