On Tue, Jan 11, 2022 at 09:56:36AM +0800, Ming Lei wrote:
> 2) block throttle is block layer internal stuff, and we shouldn't expose
> blk_throtl_charge_bio_split() to driver.
>
> Maybe rename the new API as submit_split_bio_noacct(), but we can't
> reuse submit_bio_noacct() simply, otherwise
On Mon, Jan 10, 2022 at 02:03:16PM -0500, Mike Snitzer wrote:
> Ming is lifting code out of __blk_queue_split() for reuse (by DM in
> this instance, because it has its own bio_split+bio_chain).
>
> Are you saying submit_bio_noacct() should be made to call
> blk_throtl_charge_bio_split() and
On Mon, Jan 10, 2022 at 02:03:16PM -0500, Mike Snitzer wrote:
> On Mon, Jan 10 2022 at 12:35P -0500,
> Christoph Hellwig wrote:
>
> > On Mon, Jan 10, 2022 at 03:51:40PM +0800, Ming Lei wrote:
> > > Add block layer API of resubmit_bio_noacct() for handling blk-throttle
> > > iops limit correctly.
On Mon, Jan 10, 2022 at 09:35:22AM -0800, Christoph Hellwig wrote:
> On Mon, Jan 10, 2022 at 03:51:40PM +0800, Ming Lei wrote:
> > Add block layer API of resubmit_bio_noacct() for handling blk-throttle
> > iops limit correctly. Typical use case is that bio split, and it isn't
> > good to export
On Mon, Jan 10 2022 at 12:35P -0500,
Christoph Hellwig wrote:
> On Mon, Jan 10, 2022 at 03:51:40PM +0800, Ming Lei wrote:
> > Add block layer API of resubmit_bio_noacct() for handling blk-throttle
> > iops limit correctly. Typical use case is that bio split, and it isn't
> > good to export
On Mon, Jan 10, 2022 at 03:51:40PM +0800, Ming Lei wrote:
> Add block layer API of resubmit_bio_noacct() for handling blk-throttle
> iops limit correctly. Typical use case is that bio split, and it isn't
> good to export blk_throtl_charge_bio_split() for drivers, so add new API
> for serving such
