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authorPavel Shilovsky <piastry@etersoft.ru>2012-05-17 12:18:21 +0400
committerPavel Shilovsky <pshilovsky@samba.org>2012-05-23 12:32:57 +0400
commit082d0642c61fc309ca7f6133968ba1264193dcc1 (patch)
tree4a41e9ff5f3effd2672811b445ee231c32b08c36 /fs
parent2608bee744a92d60d15ff4e6e0b913d8b406aedd (diff)
downloadlinux-082d0642c61fc309ca7f6133968ba1264193dcc1.tar.xz
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/cifsglob.h7
-rw-r--r--fs/cifs/cifsproto.h2
-rw-r--r--fs/cifs/smb1ops.c2
-rw-r--r--fs/cifs/transport.c7
4 files changed, 15 insertions, 3 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index b6e97f8586d2..5b108382902a 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -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 {
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 0a3fa960b84d..57af64220747 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -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 *,
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index ce27f8698b20..9cf76e89745f 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -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 = {
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 269a5a7e0030..87bd998cfbec 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -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)