On 2/3/24 21:11, Jens Axboe wrote:
>> I forgot to mention that the patches are against Jens block/for-next
>> branch with the addition of Christoph's "clean up blk_mq_submit_bio"
>> patches [1] and my patch "null_blk: Always split BIOs to respect queue
>> limits" [2].
>
> I figured that was the ca
On 2/6/24 10:25, Bart Van Assche wrote:
> On 2/5/24 16:07, Damien Le Moal wrote:
>> On 2/6/24 03:18, Bart Van Assche wrote:
>>> Are there numbers available about the performance differences (bandwidth
>>> and latency) between plugging zoned write bios and zoned write plugging
>>> requests?
>>
>> Fi
On 2/5/24 16:07, Damien Le Moal wrote:
On 2/6/24 03:18, Bart Van Assche wrote:
Are there numbers available about the performance differences (bandwidth
and latency) between plugging zoned write bios and zoned write plugging
requests?
Finish reading the cover letter. It has lots of measurements
On 2/5/24 15:42, Damien Le Moal wrote:
On 2/6/24 02:21, Bart Van Assche wrote:
On 2/1/24 23:30, Damien Le Moal wrote:
The patch series introduces zone write plugging (ZWP) as the new
mechanism to control the ordering of writes to zoned block devices.
ZWP replaces zone write locking (ZWL) which
On 2/6/24 03:18, Bart Van Assche wrote:
> On 2/1/24 23:30, Damien Le Moal wrote:
>> - Zone write plugging operates on BIOs instead of requests. Plugged
>> BIOs waiting for execution thus do not hold scheduling tags and thus
>> do not prevent other BIOs from being submitted to the device (
On 2/6/24 02:21, Bart Van Assche wrote:
> On 2/1/24 23:30, Damien Le Moal wrote:
>> The patch series introduces zone write plugging (ZWP) as the new
>> mechanism to control the ordering of writes to zoned block devices.
>> ZWP replaces zone write locking (ZWL) which is implemented only by
>> mq-dea
On 2/1/24 23:30, Damien Le Moal wrote:
- Zone write plugging operates on BIOs instead of requests. Plugged
BIOs waiting for execution thus do not hold scheduling tags and thus
do not prevent other BIOs from being submitted to the device (reads
or writes to other zones). Depending on
On 2/1/24 23:30, Damien Le Moal wrote:
The patch series introduces zone write plugging (ZWP) as the new
mechanism to control the ordering of writes to zoned block devices.
ZWP replaces zone write locking (ZWL) which is implemented only by
mq-deadline today. ZWP also allows emulating zone append o
On 2/2/24 12:37 AM, Damien Le Moal wrote:
> On 2/2/24 16:30, Damien Le Moal wrote:
>> The patch series introduces zone write plugging (ZWP) as the new
>> mechanism to control the ordering of writes to zoned block devices.
>> ZWP replaces zone write locking (ZWL) which is implemented only by
>> mq-d
On 2/2/24 16:30, Damien Le Moal wrote:
> The patch series introduces zone write plugging (ZWP) as the new
> mechanism to control the ordering of writes to zoned block devices.
> ZWP replaces zone write locking (ZWL) which is implemented only by
> mq-deadline today. ZWP also allows emulating zone ap
The patch series introduces zone write plugging (ZWP) as the new
mechanism to control the ordering of writes to zoned block devices.
ZWP replaces zone write locking (ZWL) which is implemented only by
mq-deadline today. ZWP also allows emulating zone append operations
using regular writes for zoned
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