Re: [PROBLEM] nbd requests become stuck when devices watched by inotify emit udev uevent changes
在 2022/05/13 10:56, Matthew Ruffell 写道:
Hi Josef,
Just a friendly ping, I am more than happy to test a patch, if you send it
inline in the email, since the pastebin you used expired after 1 day, and I
couldn't access it.
I came across and tested Yu Kuai's patches [1][2] which are for the same issue,
and they indeed fix the hang. Thank you Yu.
Hi, Matthew
Thanks for your test.
[1] nbd: don't clear 'NBD_CMD_INFLIGHT' flag if request is not completed
https://lists.debian.org/nbd/2022/04/msg00212.html
[2] nbd: fix io hung while disconnecting device
https://lists.debian.org/nbd/2022/04/msg00207.html
I am also happy to test any patches to fix the I/O errors.
Sorry that I missed this thread. IMO, if inflight requests is cleared by
ioctl NBD_CLEAR_SOCK after my patch [2](or other callers for
nbd_clear_que()), such io will return as error. Thus I don't think such
io errors need to be fixed.
Josef, do you have other suggestions?
Thanks,
Kuai
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