nbd: Avoid bitrot in TRACE() usage
authorEric Blake <eblake@redhat.com>
Wed, 6 Apr 2016 03:35:03 +0000 (21:35 -0600)
committerPaolo Bonzini <pbonzini@redhat.com>
Thu, 7 Apr 2016 22:07:43 +0000 (00:07 +0200)
commit8c6597123af4abdd632d79ba5a40856d77a11505
treedfec75662656799687b5cae60462ed18ae5fdfb7
parentc0301fcc811432a587f6f94fee08d7965c1671d0
nbd: Avoid bitrot in TRACE() usage

The compiler is smart enough to optimize out 'if (0)', but won't
type-check our printfs if they are hidden behind #if.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1459913704-19949-3-git-send-email-eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
nbd/nbd-internal.h