and rename variables around the code changes.
Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>
Signed-off-by: Pavel Shilovsky <pshilovsky@xxxxxxxxx>
---
fs/cifs/cifsglob.h | 6 ++++
fs/cifs/cifsproto.h | 8 +++---
fs/cifs/cifssmb.c | 2 +-
fs/cifs/connect.c | 73 ++++++++++++++++++++++++++++++---------------------
fs/cifs/smb1ops.c | 2 +
5 files changed, 56 insertions(+), 35 deletions(-)
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index a6eb9be..6d18962 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -160,6 +160,7 @@ struct mid_q_entry;
struct TCP_Server_Info;
struct cifsFileInfo;
struct cifs_ses;
+struct cifs_tcon;
struct smb_version_operations {
int (*send_cancel)(struct TCP_Server_Info *, void *,
@@ -201,6 +202,11 @@ struct smb_version_operations {
const struct nls_table *);
/* close smb session */
int (*logoff)(const unsigned int, struct cifs_ses *);
+ /* connect to a server share */
+ int (*tree_connect)(const unsigned int, struct cifs_ses *, const char *,
+ struct cifs_tcon *, const struct nls_table *);
+ /* close tree connecion */
+ int (*tree_disconnect)(const unsigned int, struct cifs_tcon *);
};
struct smb_version_values {
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index a4360c5..e1689e7 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -184,9 +184,9 @@ extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
struct nls_table *nls_info);
extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
-extern int CIFSTCon(unsigned int xid, struct cifs_ses *ses,
- const char *tree, struct cifs_tcon *tcon,
- const struct nls_table *);
+extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
+ const char *tree, struct cifs_tcon *tcon,
+ const struct nls_table *);
extern int CIFSFindFirst(const int xid, struct cifs_tcon *tcon,
const char *searchName, const struct nls_table *nls_codepage,
@@ -388,7 +388,7 @@ extern int CIFSSMBPosixLock(const int xid, struct cifs_tcon *tcon,
const __u16 smb_file_id, const __u32 netpid,
const int get_flag, const __u64 len, struct file_lock *,
const __u16 lock_type, const bool waitFlag);
-extern int CIFSSMBTDis(const int xid, struct cifs_tcon *tcon);
+extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
extern int CIFSSMBEcho(struct TCP_Server_Info *server);
extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index db5cf5d..6f158ba 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -694,7 +694,7 @@ neg_err_exit:
}
int
-CIFSSMBTDis(const int xid, struct cifs_tcon *tcon)
+CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon)
{
struct smb_hdr *smb_buffer;
int rc = 0;
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 47e0491..bdd5f62 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2541,7 +2541,7 @@ cifs_find_tcon(struct cifs_ses *ses, const char *unc)
static void
cifs_put_tcon(struct cifs_tcon *tcon)
{
- int xid;
+ unsigned int xid;
struct cifs_ses *ses = tcon->ses;
cFYI(1, "%s: tc_count=%d\n", __func__, tcon->tc_count);
@@ -2555,7 +2555,8 @@ cifs_put_tcon(struct cifs_tcon *tcon)
spin_unlock(&cifs_tcp_ses_lock);
xid = GetXid();
- CIFSSMBTDis(xid, tcon);
+ if (ses->server->ops->tree_disconnect)
+ ses->server->ops->tree_disconnect(xid, tcon);
_FreeXid(xid);
cifs_fscache_release_super_cookie(tcon);
@@ -2580,6 +2581,11 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb_vol *volume_info)
return tcon;
}
+ if (!ses->server->ops->tree_connect) {
+ rc = -ENOSYS;
+ goto out_fail;
+ }
+
tcon = tconInfoAlloc();
if (tcon == NULL) {
rc = -ENOMEM;
@@ -2602,13 +2608,15 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb_vol *volume_info)
goto out_fail;
}
- /* BB Do we need to wrap session_mutex around
- * this TCon call and Unix SetFS as
- * we do on SessSetup and reconnect? */
+ /*
+ * BB Do we need to wrap session_mutex around this TCon call and Unix
+ * SetFS as we do on SessSetup and reconnect?
+ */
xid = GetXid();
- rc = CIFSTCon(xid, ses, volume_info->UNC, tcon, volume_info->local_nls);
+ rc = ses->server->ops->tree_connect(xid, ses, volume_info->UNC, tcon,
+ volume_info->local_nls);
FreeXid(xid);
- cFYI(1, "CIFS Tcon rc = %d", rc);
+ cFYI(1, "Tcon rc = %d", rc);
if (rc)
goto out_fail;
@@ -2617,10 +2625,11 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb_vol *volume_info)
cFYI(1, "DFS disabled (%d)", tcon->Flags);
}
tcon->seal = volume_info->seal;
- /* we can have only one retry value for a connection
- to a share so for resources mounted more than once
- to the same server share the last value passed in
- for the retry flag is used */
+ /*
+ * We can have only one retry value for a connection to a share so for
+ * resources mounted more than once to the same server share the last
+ * value passed in for the retry flag is used.
+ */
tcon->retry = volume_info->retry;
tcon->nocase = volume_info->nocase;
tcon->local_lease = volume_info->local_lease;
@@ -2754,37 +2763,41 @@ out:
}
int
-get_dfs_path(int xid, struct cifs_ses *pSesInfo, const char *old_path,
- const struct nls_table *nls_codepage, unsigned int *pnum_referrals,
- struct dfs_info3_param **preferrals, int remap)
+get_dfs_path(int xid, struct cifs_ses *ses, const char *old_path,
+ const struct nls_table *nls_codepage, unsigned int *num_referrals,
+ struct dfs_info3_param **referrals, int remap)
{
char *temp_unc;
int rc = 0;
- *pnum_referrals = 0;
- *preferrals = NULL;
+ if (!ses->server->ops->tree_connect)
+ return -ENOSYS;
+
+ *num_referrals = 0;
+ *referrals = NULL;
- if (pSesInfo->ipc_tid == 0) {
+ if (ses->ipc_tid == 0) {
temp_unc = kmalloc(2 /* for slashes */ +
- strnlen(pSesInfo->serverName,
- SERVER_NAME_LEN_WITH_NULL * 2)
- + 1 + 4 /* slash IPC$ */ + 2,
- GFP_KERNEL);
+ strnlen(ses->serverName, SERVER_NAME_LEN_WITH_NULL * 2)
+ + 1 + 4 /* slash IPC$ */ + 2, GFP_KERNEL);
if (temp_unc == NULL)
return -ENOMEM;
temp_unc[0] = '\\';
temp_unc[1] = '\\';
- strcpy(temp_unc + 2, pSesInfo->serverName);
- strcpy(temp_unc + 2 + strlen(pSesInfo->serverName), "\\IPC$");
- rc = CIFSTCon(xid, pSesInfo, temp_unc, NULL, nls_codepage);
- cFYI(1, "CIFS Tcon rc = %d ipc_tid = %d", rc, pSesInfo->ipc_tid);
+ strcpy(temp_unc + 2, ses->serverName);
+ strcpy(temp_unc + 2 + strlen(ses->serverName), "\\IPC$");
+ rc = ses->server->ops->tree_connect(xid, ses, temp_unc, NULL,
+ nls_codepage);
+ cFYI(1, "Tcon rc = %d ipc_tid = %d", rc, ses->ipc_tid);
kfree(temp_unc);
}
if (rc == 0)
- rc = CIFSGetDFSRefer(xid, pSesInfo, old_path, preferrals,
- pnum_referrals, nls_codepage, remap);
- /* BB map targetUNCs to dfs_info3 structures, here or
- in CIFSGetDFSRefer BB */
+ rc = CIFSGetDFSRefer(xid, ses, old_path, referrals,
+ num_referrals, nls_codepage, remap);
+ /*
+ * BB - map targetUNCs to dfs_info3 structures, here or in
+ * CIFSGetDFSRefer.
+ */
return rc;
}
@@ -3776,7 +3789,7 @@ out:
* pointer may be NULL.
*/
int
-CIFSTCon(unsigned int xid, struct cifs_ses *ses,
+CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
const char *tree, struct cifs_tcon *tcon,
const struct nls_table *nls_codepage)
{
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index 6b0a5d6..728595f 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -432,6 +432,8 @@ struct smb_version_operations smb1_operations = {
.negotiate = cifs_negotiate,
.sess_setup = CIFS_SessSetup,
.logoff = CIFSSMBLogoff,
+ .tree_connect = CIFSTCon,
+ .tree_disconnect = CIFSSMBTDis,
};
struct smb_version_values smb1_values = {
--
1.7.1
--
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