Backport request: nfsd: Fix NFSv4 READ on RDMA when using readv
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- Subject: Backport request: nfsd: Fix NFSv4 READ on RDMA when using readv
- From: Timo Rothenpieler <timo@xxxxxxxxxxxxxxxx>
- Date: Tue, 4 Aug 2020 22:47:26 +0200
- User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0
Sorry if this is not the right approach to this, but I'd like to request
a backport of 412055398b9e67e07347a936fc4a6adddabe9cf4, "nfsd: Fix NFSv4
READ on RDMA when using readv" to Linux 5.4.
The patch applies cleanly and fixes a rare but severe issue with NFS
over RDMA, which I just spent several days tracking down to that patch,
with major help from linux-nfs/rdma.
I have right now manually applied it to my 5.4 Kernel and can confirm it
fixes the issue.
Thanks,
Timo
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