CIFS: Move close code to ops struct

Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: NSteve French <smfrench@gmail.com>

fs/cifs/cifsglob.h

@@ -269,6 +269,8 @@ struct smb_version_operations {
 		    struct cifs_sb_info *);
 	/* set fid protocol-specific info */
 	void (*set_fid)(struct cifsFileInfo *, struct cifs_fid *, __u32);
+	/* close a file */
+	int (*close)(const unsigned int, struct cifs_tcon *, struct cifs_fid *);
 };
 
 struct smb_version_values {

fs/cifs/file.c

@@ -326,10 +326,13 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
 	cancel_work_sync(&cifs_file->oplock_break);
 
 	if (!tcon->need_reconnect && !cifs_file->invalidHandle) {
+		struct TCP_Server_Info *server = tcon->ses->server;
 		unsigned int xid;
-		int rc;
+		int rc = -ENOSYS;
+
 		xid = get_xid();
-		rc = CIFSSMBClose(xid, tcon, cifs_file->fid.netfid);
+		if (server->ops->close)
+			rc = server->ops->close(xid, tcon, &cifs_file->fid);
 		free_xid(xid);
 	}
 
@@ -423,7 +426,8 @@ int cifs_open(struct inode *inode, struct file *file)
 
 	cfile = cifs_new_fileinfo(&fid, file, tlink, oplock);
 	if (cfile == NULL) {
-		CIFSSMBClose(xid, tcon, fid.netfid);
+		if (tcon->ses->server->ops->close)
+			tcon->ses->server->ops->close(xid, tcon, &fid);
 		rc = -ENOMEM;
 		goto out;
 	}

fs/cifs/smb1ops.c

@@ -634,6 +634,13 @@ cifs_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock)
 	cinode->can_cache_brlcks = cinode->clientCanCacheAll;
 }
 
+static int
+cifs_close_file(const unsigned int xid, struct cifs_tcon *tcon,
+		struct cifs_fid *fid)
+{
+	return CIFSSMBClose(xid, tcon, fid->netfid);
+}
+
 struct smb_version_operations smb1_operations = {
 	.send_cancel = send_nt_cancel,
 	.compare_fids = cifs_compare_fids,
@@ -675,6 +682,7 @@ struct smb_version_operations smb1_operations = {
 	.rename_pending_delete = cifs_rename_pending_delete,
 	.open = cifs_open_file,
 	.set_fid = cifs_set_fid,
+	.close = cifs_close_file,
 };
 
 struct smb_version_values smb1_values = {