From: Juergen Gross <jgross@suse.com>
Date: Tue, 11 Jan 2022 14:58:04 +0000 (+0100)
Subject: Introduce a common dev pointer in struct file
X-Git-Tag: xen-4.17.0-rc4~39
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=2e3bb09a98f2912a045b21dee1cf0216edb8001d;p=people%2Fandrewcoop%2Fmini-os.git

Introduce a common dev pointer in struct file

There are many dev pointers in a union in struct file. Prepare to
switch to a single one by introducing a new common one.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
---

diff --git a/include/lib.h b/include/lib.h
index dc56f52..60aaf1c 100644
--- a/include/lib.h
+++ b/include/lib.h
@@ -188,6 +188,7 @@ struct file {
     off_t offset;
     union {
         int fd; /* Any fd from an upper layer. */
+        void *dev;
 	struct {
 	    struct evtchn_port_list ports;
 	} evtchn;