cifs: constify pathname arguments in a bunch of helpers

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/cifs/cifsproto.h

@@ -184,7 +184,7 @@ extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
 					      struct file *file,
 					      struct tcon_link *tlink,
 					      __u32 oplock);
-extern int cifs_posix_open(char *full_path, struct inode **inode,
+extern int cifs_posix_open(const char *full_path, struct inode **inode,
 			   struct super_block *sb, int mode,
 			   unsigned int f_flags, __u32 *oplock, __u16 *netfid,
 			   unsigned int xid);
@@ -207,7 +207,7 @@ extern int cifs_get_inode_info_unix(struct inode **pinode,
 			const unsigned char *search_path,
 			struct super_block *sb, unsigned int xid);
 extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
-			      unsigned int xid, char *full_path, __u32 dosattr);
+			      unsigned int xid, const char *full_path, __u32 dosattr);
 extern int cifs_rename_pending_delete(const char *full_path,
 				      struct dentry *dentry,
 				      const unsigned int xid);

fs/cifs/file.c

@@ -112,7 +112,7 @@ static inline int cifs_get_disposition(unsigned int flags)
 		return FILE_OPEN;
 }
 
-int cifs_posix_open(char *full_path, struct inode **pinode,
+int cifs_posix_open(const char *full_path, struct inode **pinode,
 			struct super_block *sb, int mode, unsigned int f_flags,
 			__u32 *poplock, __u16 *pnetfid, unsigned int xid)
 {
@@ -175,7 +175,7 @@ int cifs_posix_open(char *full_path, struct inode **pinode,
 }
 
 static int
-cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb,
+cifs_nt_open(const char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb,
 	     struct cifs_tcon *tcon, unsigned int f_flags, __u32 *oplock,
 	     struct cifs_fid *fid, unsigned int xid)
 {

fs/cifs/inode.c

@@ -1408,7 +1408,7 @@ struct inode *cifs_root_iget(struct super_block *sb)
 
 int
 cifs_set_file_info(struct inode *inode, struct iattr *attrs, unsigned int xid,
-		   char *full_path, __u32 dosattr)
+		   const char *full_path, __u32 dosattr)
 {
 	bool set_time = false;
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
@@ -2522,7 +2522,7 @@ void cifs_setsize(struct inode *inode, loff_t offset)
 
 static int
 cifs_set_file_size(struct inode *inode, struct iattr *attrs,
-		   unsigned int xid, char *full_path)
+		   unsigned int xid, const char *full_path)
 {
 	int rc;
 	struct cifsFileInfo *open_file;

fs/cifs/readdir.c

@@ -384,7 +384,7 @@ int get_symlink_reparse_path(char *full_path, struct cifs_sb_info *cifs_sb,
 
 static int
 initiate_cifs_search(const unsigned int xid, struct file *file,
-		     char *full_path)
+		     const char *full_path)
 {
 	__u16 search_flags;
 	int rc = 0;
@@ -704,7 +704,7 @@ static int cifs_save_resume_key(const char *current_entry,
  */
 static int
 find_cifs_entry(const unsigned int xid, struct cifs_tcon *tcon, loff_t pos,
-		struct file *file, char *full_path,
+		struct file *file, const char *full_path,
 		char **current_entry, int *num_to_ret)
 {
 	__u16 search_flags;

fs/cifs/xattr.c

@@ -53,7 +53,7 @@ enum { XATTR_USER, XATTR_CIFS_ACL, XATTR_ACL_ACCESS, XATTR_ACL_DEFAULT,
 	XATTR_CIFS_NTSD, XATTR_CIFS_NTSD_FULL };
 
 static int cifs_attrib_set(unsigned int xid, struct cifs_tcon *pTcon,
-			   struct inode *inode, char *full_path,
+			   struct inode *inode, const char *full_path,
 			   const void *value, size_t size)
 {
 	ssize_t rc = -EOPNOTSUPP;
@@ -77,7 +77,7 @@ static int cifs_attrib_set(unsigned int xid, struct cifs_tcon *pTcon,
 }
 
 static int cifs_creation_time_set(unsigned int xid, struct cifs_tcon *pTcon,
-				  struct inode *inode, char *full_path,
+				  struct inode *inode, const char *full_path,
 				  const void *value, size_t size)
 {
 	ssize_t rc = -EOPNOTSUPP;