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WSL2-Linux-Kernel
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ksmbd: replace request and respone buffer macro with inline functions 

replace request and respone buffer macro with inline functions.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Namjae Jeon 2021-06-25 13:43:37 +09:00
Родитель 02d4b4aa6d
Коммит 8a893315dc
3 изменённых файлов: 41 добавлений и 28 удалений
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21
fs/ksmbd/ksmbd_work.h
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@ -86,10 +86,23 @@ struct ksmbd_work {
struct list_head interim_entry;
};
#define RESPONSE_BUF_NEXT(w) \
(((w)->response_buf + (w)->next_smb2_rsp_hdr_off))
#define REQUEST_BUF_NEXT(w) \
(((w)->request_buf + (w)->next_smb2_rcv_hdr_off))
/**
* ksmbd_resp_buf_next - Get next buffer on compound response.
* @work: smb work containing response buffer
*/
static inline void *ksmbd_resp_buf_next(struct ksmbd_work *work)
{
return work->response_buf + work->next_smb2_rsp_hdr_off;
}
/**
* ksmbd_req_buf_next - Get next buffer on compound request.
* @work: smb work containing response buffer
*/
static inline void *ksmbd_req_buf_next(struct ksmbd_work *work)
{
return work->request_buf + work->next_smb2_rcv_hdr_off;
}
struct ksmbd_work *ksmbd_alloc_work_struct(void);
void ksmbd_free_work_struct(struct ksmbd_work *work);

2
fs/ksmbd/smb2misc.c
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@ -341,7 +341,7 @@ int ksmbd_smb2_check_message(struct ksmbd_work *work)
__u32 len = get_rfc1002_len(pdu);
if (work->next_smb2_rcv_hdr_off) {
pdu = REQUEST_BUF_NEXT(work);
pdu = ksmbd_req_buf_next(work);
hdr = &pdu->hdr;
}

46
fs/ksmbd/smb2pdu.c
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@ -40,8 +40,8 @@
static void __wbuf(struct ksmbd_work *work, void **req, void **rsp)
{
if (work->next_smb2_rcv_hdr_off) {
*req = REQUEST_BUF_NEXT(work);
*rsp = RESPONSE_BUF_NEXT(work);
*req = ksmbd_req_buf_next(work);
*rsp = ksmbd_resp_buf_next(work);
} else {
*req = work->request_buf;
*rsp = work->response_buf;
@ -126,7 +126,7 @@ void smb2_set_err_rsp(struct ksmbd_work *work)
struct smb2_err_rsp *err_rsp;
if (work->next_smb2_rcv_hdr_off)
err_rsp = RESPONSE_BUF_NEXT(work);
err_rsp = ksmbd_resp_buf_next(work);
else
err_rsp = work->response_buf;
@ -196,7 +196,7 @@ u16 get_smb2_cmd_val(struct ksmbd_work *work)
struct smb2_hdr *rcv_hdr;
if (work->next_smb2_rcv_hdr_off)
rcv_hdr = REQUEST_BUF_NEXT(work);
rcv_hdr = ksmbd_req_buf_next(work);
else
rcv_hdr = work->request_buf;
return le16_to_cpu(rcv_hdr->Command);
@ -212,7 +212,7 @@ void set_smb2_rsp_status(struct ksmbd_work *work, __le32 err)
struct smb2_hdr *rsp_hdr;
if (work->next_smb2_rcv_hdr_off)
rsp_hdr = RESPONSE_BUF_NEXT(work);
rsp_hdr = ksmbd_resp_buf_next(work);
else
rsp_hdr = work->response_buf;
rsp_hdr->Status = err;
@ -315,8 +315,8 @@ static int smb2_consume_credit_charge(struct ksmbd_work *work,
*/
int smb2_set_rsp_credits(struct ksmbd_work *work)
{
struct smb2_hdr *req_hdr = REQUEST_BUF_NEXT(work);
struct smb2_hdr *hdr = RESPONSE_BUF_NEXT(work);
struct smb2_hdr *req_hdr = ksmbd_req_buf_next(work);
struct smb2_hdr *hdr = ksmbd_resp_buf_next(work);
struct ksmbd_conn *conn = work->conn;
unsigned short credits_requested = le16_to_cpu(req_hdr->CreditRequest);
unsigned short credit_charge = 1, credits_granted = 0;
@ -383,8 +383,8 @@ out:
*/
static void init_chained_smb2_rsp(struct ksmbd_work *work)
{
struct smb2_hdr *req = REQUEST_BUF_NEXT(work);
struct smb2_hdr *rsp = RESPONSE_BUF_NEXT(work);
struct smb2_hdr *req = ksmbd_req_buf_next(work);
struct smb2_hdr *rsp = ksmbd_resp_buf_next(work);
struct smb2_hdr *rsp_hdr;
struct smb2_hdr *rcv_hdr;
int next_hdr_offset = 0;
@ -422,8 +422,8 @@ static void init_chained_smb2_rsp(struct ksmbd_work *work)
new_len, work->next_smb2_rcv_hdr_off,
work->next_smb2_rsp_hdr_off);
rsp_hdr = RESPONSE_BUF_NEXT(work);
rcv_hdr = REQUEST_BUF_NEXT(work);
rsp_hdr = ksmbd_resp_buf_next(work);
rcv_hdr = ksmbd_req_buf_next(work);
if (!(rcv_hdr->Flags & SMB2_FLAGS_RELATED_OPERATIONS)) {
ksmbd_debug(SMB, "related flag should be set\n");
@ -462,7 +462,7 @@ bool is_chained_smb2_message(struct ksmbd_work *work)
if (hdr->ProtocolId != SMB2_PROTO_NUMBER)
return false;
hdr = REQUEST_BUF_NEXT(work);
hdr = ksmbd_req_buf_next(work);
if (le32_to_cpu(hdr->NextCommand) > 0) {
ksmbd_debug(SMB, "got SMB2 chained command\n");
init_chained_smb2_rsp(work);
@ -5725,8 +5725,8 @@ int smb2_set_info(struct ksmbd_work *work)
rsp_org = work->response_buf;
if (work->next_smb2_rcv_hdr_off) {
req = REQUEST_BUF_NEXT(work);
rsp = RESPONSE_BUF_NEXT(work);
req = ksmbd_req_buf_next(work);
rsp = ksmbd_resp_buf_next(work);
if (!HAS_FILE_ID(le64_to_cpu(req->VolatileFileId))) {
ksmbd_debug(SMB, "Compound request set FID = %u\n",
work->compound_fid);
@ -7224,8 +7224,8 @@ int smb2_ioctl(struct ksmbd_work *work)
rsp_org = work->response_buf;
if (work->next_smb2_rcv_hdr_off) {
req = REQUEST_BUF_NEXT(work);
rsp = RESPONSE_BUF_NEXT(work);
req = ksmbd_req_buf_next(work);
rsp = ksmbd_resp_buf_next(work);
if (!HAS_FILE_ID(le64_to_cpu(req->VolatileFileId))) {
ksmbd_debug(SMB, "Compound request set FID = %u\n",
work->compound_fid);
@ -7848,7 +7848,7 @@ int smb2_check_sign_req(struct ksmbd_work *work)
hdr_org = hdr = work->request_buf;
if (work->next_smb2_rcv_hdr_off)
hdr = REQUEST_BUF_NEXT(work);
hdr = ksmbd_req_buf_next(work);
if (!hdr->NextCommand && !work->next_smb2_rcv_hdr_off)
len = be32_to_cpu(hdr_org->smb2_buf_length);
@ -7892,9 +7892,9 @@ void smb2_set_sign_rsp(struct ksmbd_work *work)
hdr_org = hdr = work->response_buf;
if (work->next_smb2_rsp_hdr_off)
hdr = RESPONSE_BUF_NEXT(work);
hdr = ksmbd_resp_buf_next(work);
req_hdr = REQUEST_BUF_NEXT(work);
req_hdr = ksmbd_req_buf_next(work);
if (!work->next_smb2_rsp_hdr_off) {
len = get_rfc1002_len(hdr_org);
@ -7946,7 +7946,7 @@ int smb3_check_sign_req(struct ksmbd_work *work)
hdr_org = hdr = work->request_buf;
if (work->next_smb2_rcv_hdr_off)
hdr = REQUEST_BUF_NEXT(work);
hdr = ksmbd_req_buf_next(work);
if (!hdr->NextCommand && !work->next_smb2_rcv_hdr_off)
len = be32_to_cpu(hdr_org->smb2_buf_length);
@ -8005,9 +8005,9 @@ void smb3_set_sign_rsp(struct ksmbd_work *work)
hdr_org = hdr = work->response_buf;
if (work->next_smb2_rsp_hdr_off)
hdr = RESPONSE_BUF_NEXT(work);
hdr = ksmbd_resp_buf_next(work);
req_hdr = REQUEST_BUF_NEXT(work);
req_hdr = ksmbd_req_buf_next(work);
if (!work->next_smb2_rsp_hdr_off) {
len = get_rfc1002_len(hdr_org);
@ -8217,7 +8217,7 @@ bool smb3_11_final_sess_setup_resp(struct ksmbd_work *work)
return false;
if (work->next_smb2_rcv_hdr_off)
rsp = RESPONSE_BUF_NEXT(work);
rsp = ksmbd_resp_buf_next(work);
if (le16_to_cpu(rsp->Command) == SMB2_SESSION_SETUP_HE &&
rsp->Status == STATUS_SUCCESS)