ksmbd: smbd: change the default maximum read/write, receive size

mainline inclusion
from mainline-5.17-rc1
commit 4d02c4fd
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I60T7G
CVE: NA

Reference: https://git.kernel.org/torvalds/linux/c/4d02c4fdc0e2



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Due to restriction that cannot handle multiple
buffer descriptor structures, decrease the maximum
read/write size for Windows clients.

And set the maximum fragmented receive size
in consideration of the receive queue size.

Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Zhong Jinghua <zhongjinghua@huawei.com>