ksmbd: improve credits management
mainline inclusion from mainline-5.15-rc7 commit bf8acc9e category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I60T7G CVE: NA Reference: https://git.kernel.org/torvalds/linux/c/bf8acc9e10e2 ------------------------------- * Requests except READ, WRITE, IOCTL, INFO, QUERY DIRECOTRY, CANCEL must consume one credit. * If client's granted credits are insufficient, refuse to handle requests. * Windows server 2016 or later grant up to 8192 credits to clients at once. Acked-by: NNamjae Jeon <linkinjeon@kernel.org> Signed-off-by: NHyunchul Lee <hyc.lee@gmail.com> Signed-off-by: NSteve French <stfrench@microsoft.com> Signed-off-by: NJason Yan <yanaijie@huawei.com> Signed-off-by: NZhong Jinghua <zhongjinghua@huawei.com>
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