On 02/02/2021 11:42 AM, Matthew Ruffell wrote:
Hi Xiao,
On 24/12/20 11:18 pm, Xiao Ni wrote:> The root cause is found. Now we use a
similar way with raid0 to handle discard request
for raid10. Because the discard region is very big, we can calculate the
start/end address
for each disk.
Hi Xiao,
On 24/12/20 11:18 pm, Xiao Ni wrote:> The root cause is found. Now we use a
similar way with raid0 to handle discard request
> for raid10. Because the discard region is very big, we can calculate the
> start/end address
> for each disk. Then we can submit the discard request to each
Hi Xiao,
On Thu, Dec 24, 2020 at 2:18 AM Xiao Ni wrote:
>
>
>
[...]
>
> [ 789.709501] discard bio start : 70968, size : 191176
> [ 789.709507] first stripe index 69, start disk index 0, start disk
> offset 70968
> [ 789.709509] last stripe index 256, end disk index 0, end disk offset
> 262144
On 12/09/2020 12:17 PM, Song Liu wrote:
Hi Matthew,
On Dec 8, 2020, at 7:46 PM, Matthew Ruffell
wrote:
Hello,
I recently backported the following patches into the Ubuntu stable kernels:
md: add md_submit_discard_bio() for submitting discard bio
md/raid10: extend r10bio devs to raid
On 12/09/2020 12:17 PM, Song Liu wrote:
Hi Matthew,
On Dec 8, 2020, at 7:46 PM, Matthew Ruffell
wrote:
Hello,
I recently backported the following patches into the Ubuntu stable kernels:
md: add md_submit_discard_bio() for submitting discard bio
md/raid10: extend r10bio devs to raid
> On Dec 8, 2020, at 8:17 PM, Song Liu wrote:
>
> Hi Matthew,
>
>> On Dec 8, 2020, at 7:46 PM, Matthew Ruffell
>> wrote:
>>
>> Hello,
>>
>> I recently backported the following patches into the Ubuntu stable kernels:
>>
>> md: add md_submit_discard_bio() for submitting discard bio
>>
Hi Matthew,
> On Dec 8, 2020, at 7:46 PM, Matthew Ruffell
> wrote:
>
> Hello,
>
> I recently backported the following patches into the Ubuntu stable kernels:
>
> md: add md_submit_discard_bio() for submitting discard bio
> md/raid10: extend r10bio devs to raid disks
> md/raid10: pull codes
Hello,
I recently backported the following patches into the Ubuntu stable kernels:
md: add md_submit_discard_bio() for submitting discard bio
md/raid10: extend r10bio devs to raid disks
md/raid10: pull codes that wait for blocked dev into one function
md/raid10: improve raid10 discard request
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