fuse: extract fuse_emit() helper

Prepare for cache filling by introducing a helper for emitting a single
directory entry.

Signed-off-by: Miklos Szeredi <[e-mail]>

fs/fuse/readdir.c

···
 	return false;
 }
 
+static bool fuse_emit(struct file *file, struct dir_context *ctx,
+		      struct fuse_dirent *dirent)
+{
+	return dir_emit(ctx, dirent->name, dirent->namelen, dirent->ino,
+			dirent->type);
+}
+
 static int parse_dirfile(char *buf, size_t nbytes, struct file *file,
 			 struct dir_context *ctx)
 {
···
 		if (memchr(dirent->name, '/', dirent->namelen) != NULL)
 			return -EIO;
 
-		if (!dir_emit(ctx, dirent->name, dirent->namelen,
-			       dirent->ino, dirent->type))
+		if (!fuse_emit(file, ctx, dirent))
 			break;
 
 		buf += reclen;
···
 			   we need to send a FORGET for each of those
 			   which we did not link.
 			*/
-			over = !dir_emit(ctx, dirent->name, dirent->namelen,
-				       dirent->ino, dirent->type);
+			over = !fuse_emit(file, ctx, dirent);
 			if (!over)
 				ctx->pos = dirent->off;
 		}