cifs: rename the *_shroot* functions to *_cached_dir*

These functions will eventually be used to cache any directory, not just the root
so change the names.
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/cifs/cifssmb.c

@@ -114,7 +114,7 @@ cifs_mark_open_files_invalid(struct cifs_tcon *tcon)
 	mutex_lock(&tcon->crfid.fid_mutex);
 	tcon->crfid.is_valid = false;
 	/* cached handle is not valid, so SMB2_CLOSE won't be sent below */
-	close_shroot_lease_locked(&tcon->crfid);
+	close_cached_dir_lease_locked(&tcon->crfid);
 	memset(tcon->crfid.fid, 0, sizeof(struct cifs_fid));
 	mutex_unlock(&tcon->crfid.fid_mutex);
 

fs/cifs/smb2inode.c

@@ -524,7 +524,7 @@ smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
 		return -ENOMEM;
 
 	/* If it is a root and its handle is cached then use it */
-	rc = open_shroot(xid, tcon, full_path, cifs_sb, &cfid);
+	rc = open_cached_dir(xid, tcon, full_path, cifs_sb, &cfid);
 	if (!rc) {
 		if (tcon->crfid.file_all_info_is_valid) {
 			move_smb2_info_to_cifs(data,
@@ -536,7 +536,7 @@ smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
 			if (!rc)
 				move_smb2_info_to_cifs(data, smb2_data);
 		}
-		close_shroot(cfid);
+		close_cached_dir(cfid);
 		goto out;
 	}
 

fs/cifs/smb2ops.c

@@ -693,14 +693,14 @@ smb2_close_cached_fid(struct kref *ref)
 	}
 }
 
-void close_shroot(struct cached_fid *cfid)
+void close_cached_dir(struct cached_fid *cfid)
 {
 	mutex_lock(&cfid->fid_mutex);
 	kref_put(&cfid->refcount, smb2_close_cached_fid);
 	mutex_unlock(&cfid->fid_mutex);
 }
 
-void close_shroot_lease_locked(struct cached_fid *cfid)
+void close_cached_dir_lease_locked(struct cached_fid *cfid)
 {
 	if (cfid->has_lease) {
 		cfid->has_lease = false;
@@ -708,10 +708,10 @@ void close_shroot_lease_locked(struct cached_fid *cfid)
 	}
 }
 
-void close_shroot_lease(struct cached_fid *cfid)
+void close_cached_dir_lease(struct cached_fid *cfid)
 {
 	mutex_lock(&cfid->fid_mutex);
-	close_shroot_lease_locked(cfid);
+	close_cached_dir_lease_locked(cfid);
 	mutex_unlock(&cfid->fid_mutex);
 }
 
@@ -721,13 +721,14 @@ smb2_cached_lease_break(struct work_struct *work)
 	struct cached_fid *cfid = container_of(work,
 				struct cached_fid, lease_break);
 
-	close_shroot_lease(cfid);
+	close_cached_dir_lease(cfid);
 }
 
 /*
- * Open the directory at the root of a share
+ * Open the and cache a directory handle.
+ * Only supported for the root handle.
  */
-int open_shroot(unsigned int xid, struct cifs_tcon *tcon,
+int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon,
 		const char *path,
 		struct cifs_sb_info *cifs_sb,
 		struct cached_fid **cfid)
@@ -930,7 +931,7 @@ smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon,
 	oparms.fid = &fid;
 	oparms.reconnect = false;
 
-	rc = open_shroot(xid, tcon, "", cifs_sb, &cfid);
+	rc = open_cached_dir(xid, tcon, "", cifs_sb, &cfid);
 	if (rc == 0)
 		memcpy(&fid, cfid->fid, sizeof(struct cifs_fid));
 	else
@@ -952,7 +953,7 @@ smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon,
 	if (cfid == NULL)
 		SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
 	else
-		close_shroot(cfid);
+		close_cached_dir(cfid);
 }
 
 static void

fs/cifs/smb2pdu.c

@@ -1857,7 +1857,7 @@ SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon)
 	if ((tcon->need_reconnect) || (tcon->ses->need_reconnect))
 		return 0;
 
-	close_shroot_lease(&tcon->crfid);
+	close_cached_dir_lease(&tcon->crfid);
 
 	rc = smb2_plain_req_init(SMB2_TREE_DISCONNECT, tcon, ses->server,
 				 (void **) &req,

fs/cifs/smb2proto.h

@@ -69,13 +69,13 @@ extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server,
 extern int smb3_handle_read_data(struct TCP_Server_Info *server,
 				 struct mid_q_entry *mid);
 
-extern int open_shroot(unsigned int xid, struct cifs_tcon *tcon,
-		       const char *path,
-		       struct cifs_sb_info *cifs_sb,
-		       struct cached_fid **cfid);
-extern void close_shroot(struct cached_fid *cfid);
-extern void close_shroot_lease(struct cached_fid *cfid);
-extern void close_shroot_lease_locked(struct cached_fid *cfid);
+extern int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon,
+			   const char *path,
+			   struct cifs_sb_info *cifs_sb,
+			   struct cached_fid **cfid);
+extern void close_cached_dir(struct cached_fid *cfid);
+extern void close_cached_dir_lease(struct cached_fid *cfid);
+extern void close_cached_dir_lease_locked(struct cached_fid *cfid);
 extern void move_smb2_info_to_cifs(FILE_ALL_INFO *dst,
 				   struct smb2_file_all_info *src);
 extern int smb2_query_reparse_tag(const unsigned int xid, struct cifs_tcon *tcon,