[CIFS] pSesInfo->sesSem is used as mutex. Rename it to session_mutex and

convert it to a real mutex.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

4 files changed, 12 insertions, 12 deletions

diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index ed751bb657db..a1c817eb291a 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -205,7 +205,7 @@ struct cifsUidInfo {
 struct cifsSesInfo {
         struct list_head smb_ses_list;
         struct list_head tcon_list;
-        struct semaphore sesSem;
+        struct mutex session_mutex;
 #if 0
         struct cifsUidInfo *uidInfo;    /* pointer to user info */
 #endif
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index b79ff68c47c7..9d17df3e0768 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -170,19 +170,19 @@ cifs_reconnect_tcon(struct cifsTconInfo *tcon, int smb_command)
          * need to prevent multiple threads trying to simultaneously
          * reconnect the same SMB session
          */
-        down(&ses->sesSem);
+        mutex_lock(&ses->session_mutex);
         if (ses->need_reconnect)
                 rc = cifs_setup_session(0, ses, nls_codepage);
 
         /* do we need to reconnect tcon? */
         if (rc || !tcon->need_reconnect) {
-                up(&ses->sesSem);
+                mutex_unlock(&ses->session_mutex);
                 goto out;
         }
 
         mark_open_files_invalid(tcon);
         rc = CIFSTCon(0, ses, tcon->treeName, tcon, nls_codepage);
-        up(&ses->sesSem);
+        mutex_unlock(&ses->session_mutex);
         cFYI(1, ("reconnect tcon rc = %d", rc));
 
         if (rc)
@@ -700,13 +700,13 @@ CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses)
         if (!ses || !ses->server)
                 return -EIO;
 
-        down(&ses->sesSem);
+        mutex_lock(&ses->session_mutex);
         if (ses->need_reconnect)
                 goto session_already_dead; /* no need to send SMBlogoff if uid
                                               already closed due to reconnect */
         rc = small_smb_init(SMB_COM_LOGOFF_ANDX, 2, NULL, (void **)&pSMB);
         if (rc) {
-                up(&ses->sesSem);
+                mutex_unlock(&ses->session_mutex);
                 return rc;
         }
 
@@ -721,7 +721,7 @@ CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses)
         pSMB->AndXCommand = 0xFF;
         rc = SendReceiveNoRsp(xid, ses, (struct smb_hdr *) pSMB, 0);
 session_already_dead:
-        up(&ses->sesSem);
+        mutex_unlock(&ses->session_mutex);
 
         /* if session dead then we do not need to do ulogoff,
                 since server closed smb session, no sense reporting
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 2e9e09ca0e30..45eb6cba793f 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2388,13 +2388,13 @@ try_mount_again:
                  */
                 cifs_put_tcp_session(srvTcp);
 
-                down(&pSesInfo->sesSem);
+                mutex_lock(&pSesInfo->session_mutex);
                 if (pSesInfo->need_reconnect) {
                         cFYI(1, ("Session needs reconnect"));
                         rc = cifs_setup_session(xid, pSesInfo,
                                                 cifs_sb->local_nls);
                 }
-                up(&pSesInfo->sesSem);
+                mutex_unlock(&pSesInfo->session_mutex);
         } else if (!rc) {
                 cFYI(1, ("Existing smb sess not found"));
                 pSesInfo = sesInfoAlloc();
@@ -2437,12 +2437,12 @@ try_mount_again:
                 }
                 pSesInfo->linux_uid = volume_info->linux_uid;
                 pSesInfo->overrideSecFlg = volume_info->secFlg;
-                down(&pSesInfo->sesSem);
+                mutex_lock(&pSesInfo->session_mutex);
 
                 /* BB FIXME need to pass vol->secFlgs BB */
                 rc = cifs_setup_session(xid, pSesInfo,
                                         cifs_sb->local_nls);
-                up(&pSesInfo->sesSem);
+                mutex_unlock(&pSesInfo->session_mutex);
         }
 
         /* search for existing tcon to this server share */
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index d27d4ec6579b..d1474996a812 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -79,7 +79,7 @@ sesInfoAlloc(void)
                 ++ret_buf->ses_count;
                 INIT_LIST_HEAD(&ret_buf->smb_ses_list);
                 INIT_LIST_HEAD(&ret_buf->tcon_list);
-                init_MUTEX(&ret_buf->sesSem);
+                mutex_init(&ret_buf->session_mutex);
         }
         return ret_buf;
 }