flagprocessors: use _processflagswrite for write operation

There are no ambiguity for 'write' operation so it is simple to replace.

Differential Revision: https://phab.mercurial-scm.org/D6801

hgext/remotefilelog/remotefilelog.py

@@ -135,7 +135,7 b' class remotefilelog(flagutil.flagprocess'
             node = storageutil.hashrevisionsha1(text, p1, p2)
 
         meta, metaoffset = storageutil.parsemeta(text)
-        rawtext, validatehash = self._processflags(text, flags, 'write')
+        rawtext, validatehash = self._processflagswrite(text, flags)
         return self.addrawrevision(rawtext, transaction, linknode, p1, p2,
                                    node, flags, cachedelta,
                                    _metatuple=(meta, metaoffset))

mercurial/revlog.py

@@ -1823,7 +1823,7 b' class revlog(flagutil.flagprocessorsmixi'
         if flags:
             node = node or self.hash(text, p1, p2)
 
-        rawtext, validatehash = self._processflags(text, flags, 'write')
+        rawtext, validatehash = self._processflagswrite(text, flags)
 
         # If the flag processor modifies the revision data, ignore any provided
         # cachedelta.

tests/simplestorerepo.py

@@ -452,7 +452,7 b' class filestorage(flagutil.flagprocessor'
         if flags:
             node = node or storageutil.hashrevisionsha1(text, p1, p2)
 
-        rawtext, validatehash = self._processflags(text, flags, 'write')
+        rawtext, validatehash = self._processflagswrite(text, flags)
 
         node = node or storageutil.hashrevisionsha1(text, p1, p2)