CIFS: Move protocol specific part from SendReceive2 to ops struct

Acked-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Pavel Shilovsky 2012-05-17 12:18:21 +04:00 committed by Pavel Shilovsky
parent 2608bee744
commit 082d0642c6
4 changed files with 15 additions and 3 deletions

View file

@ -157,11 +157,18 @@ enum smb_version {
struct mid_q_entry;
struct TCP_Server_Info;
struct cifsFileInfo;
struct cifs_ses;
struct smb_version_operations {
int (*send_cancel)(struct TCP_Server_Info *, void *,
struct mid_q_entry *);
bool (*compare_fids)(struct cifsFileInfo *, struct cifsFileInfo *);
/* setup request: allocate mid, sign message */
int (*setup_request)(struct cifs_ses *, struct kvec *, unsigned int,
struct mid_q_entry **);
/* check response: verify signature, map error */
int (*check_receive)(struct mid_q_entry *, struct TCP_Server_Info *,
bool);
};
struct smb_version_values {

View file

@ -78,6 +78,8 @@ extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
int * /* bytes returned */ , const int long_op);
extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
char *in_buf, int flags);
extern int cifs_setup_request(struct cifs_ses *, struct kvec *, unsigned int,
struct mid_q_entry **);
extern int cifs_check_receive(struct mid_q_entry *mid,
struct TCP_Server_Info *server, bool log_error);
extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,

View file

@ -69,6 +69,8 @@ cifs_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2)
struct smb_version_operations smb1_operations = {
.send_cancel = send_nt_cancel,
.compare_fids = cifs_compare_fids,
.setup_request = cifs_setup_request,
.check_receive = cifs_check_receive,
};
struct smb_version_values smb1_values = {

View file

@ -514,7 +514,7 @@ cifs_check_receive(struct mid_q_entry *mid, struct TCP_Server_Info *server,
return map_smb_to_linux_error(mid->resp_buf, log_error);
}
static int
int
cifs_setup_request(struct cifs_ses *ses, struct kvec *iov,
unsigned int nvec, struct mid_q_entry **ret_mid)
{
@ -577,7 +577,7 @@ SendReceive2(const unsigned int xid, struct cifs_ses *ses,
mutex_lock(&ses->server->srv_mutex);
rc = cifs_setup_request(ses, iov, n_vec, &midQ);
rc = ses->server->ops->setup_request(ses, iov, n_vec, &midQ);
if (rc) {
mutex_unlock(&ses->server->srv_mutex);
cifs_small_buf_release(buf);
@ -640,7 +640,8 @@ SendReceive2(const unsigned int xid, struct cifs_ses *ses,
else
*pRespBufType = CIFS_SMALL_BUFFER;
rc = cifs_check_receive(midQ, ses->server, flags & CIFS_LOG_ERROR);
rc = ses->server->ops->check_receive(midQ, ses->server,
flags & CIFS_LOG_ERROR);
/* mark it so buf will not be freed by delete_mid */
if ((flags & CIFS_NO_RESP) == 0)