rbd: use the higher level librbd instead of just librados
librbd stacks on top of librados to provide access
to rbd images.
Using librbd simplifies the qemu code, and allows
qemu to use new versions of the rbd format
with few (if any) changes.
Reviewed-by: Christian Brunner <chb@muc.de>
Signed-off-by: Josh Durgin <josh.durgin@dreamhost.com>
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/configure b/configure
index d38b952..bdacb49 100755
--- a/configure
+++ b/configure
@@ -1917,41 +1917,24 @@
if test "$rbd" != "no" ; then
cat > $TMPC <<EOF
#include <stdio.h>
-#include <rados/librados.h>
-int main(void) { rados_initialize(0, NULL); return 0; }
-EOF
- rbd_libs="-lrados"
- if compile_prog "" "$rbd_libs" ; then
- librados_too_old=no
- cat > $TMPC <<EOF
-#include <stdio.h>
-#include <rados/librados.h>
-#ifndef CEPH_OSD_TMAP_SET
-#error missing CEPH_OSD_TMAP_SET
-#endif
+#include <rbd/librbd.h>
int main(void) {
- int (*func)(const rados_pool_t pool, uint64_t *snapid) = rados_selfmanaged_snap_create;
- rados_initialize(0, NULL);
+ rados_t cluster;
+ rados_create(&cluster, NULL);
return 0;
}
EOF
- if compile_prog "" "$rbd_libs" ; then
- rbd=yes
- libs_tools="$rbd_libs $libs_tools"
- libs_softmmu="$rbd_libs $libs_softmmu"
- else
- rbd=no
- librados_too_old=yes
- fi
+ rbd_libs="-lrbd -lrados"
+ if compile_prog "" "$rbd_libs" ; then
+ rbd=yes
+ libs_tools="$rbd_libs $libs_tools"
+ libs_softmmu="$rbd_libs $libs_softmmu"
else
if test "$rbd" = "yes" ; then
feature_not_found "rados block device"
fi
rbd=no
fi
- if test "$librados_too_old" = "yes" ; then
- echo "-> Your librados version is too old - upgrade needed to have rbd support"
- fi
fi
##########################################
