backport of IB/isert commit to '5.10.y' stable release

[Krishnamraju Eraparaju <krishna2@xxxxxxxxxxx>]

Hi Greg,

Could you please backport the below commit to "5.10.y" stable release.

Looks like this commit was already pulled to "5.10.y" stable tree weeks
ago.

This fix is required for Chelsio adapters. Without this fix the number
of connections supported by isert(over Chelsio adapter) will be significantly less.

--------------------------------------------------------
commit ID: dae7a75f1f19bffb579daf148f8d8addd2726772
IB/isert: add module param to set sg_tablesize for IO cmd
Author: Max Gurtovoy <mgurtovoy@xxxxxxxxxx>
Fixes: 317000b ("IB/isert: allocate RW ctxs according to max IO size")


Thanks,
Krishnamraju.