Displaying 8 results from an estimated 8 matches for "getmnt".
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2023 Feb 24
1
report BUG: io_uring triggers umount error
...w bpftrace method, the retval is '3'.
> ?bpftrace -e 'kr:mnt_get_count{printf("%d\n", retval);}'
>
> It responds to flow: path_umount() => do_umount => mnt_get_count (gets '3')
>
Yes, that's the place return EBUSY.
So the problem seems to be getmnt/putmnt not match in this case.
Thanks,
Joseph
>
>>
>> On 2/24/23 8:32 AM, Heming Zhao wrote:
>>> Hello List,
>>>
>>> I found a weird bug on ocfs2. I am busying with other jobs, if anyone have time
>>> he/she could fix it. This bug is blocking fs...
2023 Feb 24
1
report BUG: io_uring triggers umount error
...tval is '3'.
>> ?bpftrace -e 'kr:mnt_get_count{printf("%d\n", retval);}'
>>
>> It responds to flow: path_umount() => do_umount => mnt_get_count (gets '3')
>>
> Yes, that's the place return EBUSY.
> So the problem seems to be getmnt/putmnt not match in this case.
>
I didn't familiar with setting up kernel bi-search env. I used one last year
openSUSE tumblweed (with kernel 5.16.2), this umount issue doesn't exist.
So there is a possibility one ocfs2 commit introduced this issue.
Thanks,
Heming
>
>>
>...
2023 Feb 24
1
report BUG: io_uring triggers umount error
...;>> ??bpftrace -e 'kr:mnt_get_count{printf("%d\n", retval);}'
>>>
>>> It responds to flow: path_umount() => do_umount => mnt_get_count (gets '3')
>>>
>> Yes, that's the place return EBUSY.
>> So the problem seems to be getmnt/putmnt not match in this case.
>>
>
> I didn't familiar with setting up kernel bi-search env. I used one last year
> openSUSE tumblweed (with kernel 5.16.2), this umount issue doesn't exist.
> So there is a possibility one ocfs2 commit introduced this issue.
>You can c...
2023 Feb 27
2
report BUG: io_uring triggers umount error
...d\n", retval);}'
>>>>>>
>>>>>> It responds to flow: path_umount() => do_umount => mnt_get_count (gets '3')
>>>>>>
>>>>> Yes, that's the place return EBUSY.
>>>>> So the problem seems to be getmnt/putmnt not match in this case.
>>>>>
>>>>
>>>> I didn't familiar with setting up kernel bi-search env. I used one last year
>>>> openSUSE tumblweed (with kernel 5.16.2), this umount issue doesn't exist.
>>>> So there is a possib...
2023 Feb 26
1
report BUG: io_uring triggers umount error
...#39;kr:mnt_get_count{printf("%d\n", retval);}'
> >>>
> >>> It responds to flow: path_umount() => do_umount => mnt_get_count (gets '3')
> >>>
> >> Yes, that's the place return EBUSY.
> >> So the problem seems to be getmnt/putmnt not match in this case.
> >>
> >
> > I didn't familiar with setting up kernel bi-search env. I used one last year
> > openSUSE tumblweed (with kernel 5.16.2), this umount issue doesn't exist.
> > So there is a possibility one ocfs2 commit introduced...
2023 Feb 26
1
report BUG: io_uring triggers umount error
...tf("%d\n", retval);}'
> > >>>
> > >>> It responds to flow: path_umount() => do_umount => mnt_get_count (gets '3')
> > >>>
> > >> Yes, that's the place return EBUSY.
> > >> So the problem seems to be getmnt/putmnt not match in this case.
> > >>
> > >
> > > I didn't familiar with setting up kernel bi-search env. I used one last year
> > > openSUSE tumblweed (with kernel 5.16.2), this umount issue doesn't exist.
> > > So there is a possibility one...
2023 Mar 01
1
report BUG: io_uring triggers umount error
...'
>>>>>>>
>>>>>>> It responds to flow: path_umount() => do_umount => mnt_get_count (gets '3')
>>>>>>>
>>>>>> Yes, that's the place return EBUSY.
>>>>>> So the problem seems to be getmnt/putmnt not match in this case.
>>>>>>
>>>>>
>>>>> I didn't familiar with setting up kernel bi-search env. I used one last year
>>>>> openSUSE tumblweed (with kernel 5.16.2), this umount issue doesn't exist.
>>>>>...
2023 Feb 24
1
report BUG: io_uring triggers umount error
On 2/24/23 2:54 PM, Joseph Qi wrote:
> I can reproduce this in my local VM.
> I've traced ocfs2_dismount_volume and found that it hasn't been called.
> So EBUSY is returned in VFS layer. I guess something wrong when doing
> a copy with linked SQEs (normal copy seems no problem).
>
I am inclined to agree with you. I also test liburing examples apps
on ext4 partition,