[PATCH][SMB3] Allow overriding the default persistent handle timeout on opens

Steve French smfrench at gmail.com
Fri Mar 29 21:32:17 UTC 2019

V2 fixes 2 sparse warnings (missed cpu_to_le32 in two places)

On Thu, Mar 28, 2019 at 10:05 PM Steve French <smfrench at gmail.com> wrote:
> Reconnecting after server or network failure can be helped by
> allowing the client to choose the default persistent (or resilient)
> handle timeout in some use cases.  Today we default to 0 which lets
> the server pick the default timeout (usually 120 seconds) but this
> can be problematic for some workloads.  Add the new mount parameter
> to cifs.ko for SMB3 mounts "handletimeout" which enables the user
> to override the default handle timeout for persistent (mount
> option "persistenthandles") or resilient handles (mount option
> "resilienthandles").  Maximum allowed is 16 minutes (960000 ms).
> Units for the timeout are expressed in milliseconds. See
> section and of the MS-SMB2 protocol
> specification for more information.
> --
> Thanks,
> Steve


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