kernel-xen/xen-blkback-bimodal-suse

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2012-04-14 04:10:33 +04:00
Subject: backward compatibility
From: Gerd Hoffmann <kraxel@suse.de>
Patch-mainline: obsolete
---
linux-2.6-xen-sparse/drivers/xen/blkback/xenbus.c | 6 ++++++
linux-2.6-xen-sparse/drivers/xen/blktap/xenbus.c | 6 ++++++
2 files changed, 12 insertions(+)
--- sle11sp1-2010-03-22.orig/drivers/xen/blkback/xenbus.c 2010-03-22 12:26:08.000000000 +0100
+++ sle11sp1-2010-03-22/drivers/xen/blkback/xenbus.c 2010-03-22 12:53:24.000000000 +0100
@@ -500,6 +500,12 @@ static int connect_ring(struct backend_i
be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_32;
else if (0 == strcmp(protocol, XEN_IO_PROTO_ABI_X86_64))
be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_64;
+#if 1 /* maintain compatibility with early sles10-sp1 and paravirt netware betas */
+ else if (0 == strcmp(protocol, "1"))
+ be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_32;
+ else if (0 == strcmp(protocol, "2"))
+ be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_64;
+#endif
else {
xenbus_dev_fatal(dev, err, "unknown fe protocol %s", protocol);
return -1;
--- sle11sp1-2010-03-22.orig/drivers/xen/blktap/xenbus.c 2010-01-27 14:48:30.000000000 +0100
+++ sle11sp1-2010-03-22/drivers/xen/blktap/xenbus.c 2010-01-27 14:59:26.000000000 +0100
@@ -440,6 +440,12 @@ static int connect_ring(struct backend_i
be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_32;
else if (0 == strcmp(protocol, XEN_IO_PROTO_ABI_X86_64))
be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_64;
+#if 1 /* maintain compatibility with early sles10-sp1 and paravirt netware betas */
+ else if (0 == strcmp(protocol, "1"))
+ be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_32;
+ else if (0 == strcmp(protocol, "2"))
+ be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_64;
+#endif
else {
xenbus_dev_fatal(dev, err, "unknown fe protocol %s", protocol);
return -1;