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Re: [Qemu-devel] Tree broken by nbd: support feature negotiation commit.

From: Paolo Bonzini
Subject: Re: [Qemu-devel] Tree broken by nbd: support feature negotiation commit.
Date: Wed, 21 Sep 2011 11:21:54 +0200

On 09/21/2011 09:43 AM, Brad wrote:
>> It is not portable code, and (unlike the rest of qemu-nbd and the
>> block/nbd.c protocol) not meant to be portable. Are BLKROSET (defined in
>> linux/fs.h) and the whole set of NBD ioctls available under OpenBSD?
> Ok. What confused me a bit is that particular code path before your 
> commit was being built on anything but Windows but is now Linux only.
> No we don't have BLKROSET. So am I to understand that even before this
> particular commit that this code was only supported on Linux?


Here's a fix.


----------------------- 8< -----------------------

From: Paolo Bonzini <address@hidden>
Date: Wed, 21 Sep 2011 09:34:12 +0200
Subject: [PATCH] nbd: fix non-Linux build failure

Signed-off-by: Paolo Bonzini <address@hidden>
 nbd.c |   29 ++++++++++++-----------------
 1 files changed, 12 insertions(+), 17 deletions(-)

diff --git a/nbd.c b/nbd.c
index 595f4d8..9810f99 100644
--- a/nbd.c
+++ b/nbd.c
@@ -437,7 +447,7 @@ int nbd_client(int fd)
     return ret;
-int nbd_init(int fd, int csock, off_t size, size_t blocksize)
+int nbd_init(int fd, int csock, uint32_t flags, off_t size, size_t blocksize)
     errno = ENOTSUP;
     return -1;

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