0.85
doc: Added more robust usage example for uid and conf for QEMU.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
Parallelize RBD import/export

Use librbd aio_read/_write calls where possible to improve speed.

Signed-off-by: Jason Dillaman <dillaman@redhat.com>
lttng: Fix 'make tag' when configured --without-lttng

Signed-off-by: Adam Crume <adamcrume@gmail.com>
doc: Minor cleanup.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Fixed broken links and clarified terms for new authentication docs.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
Enforce cache size on read requests

In-flight cache reads were not previously counted against
new cache read requests, which could result in very large
cache usage.  This effect is most noticeable when writing
small chunks to a cloned image since each write requires
a full object read from the parent.

Signed-off-by: Jason Dillaman <dillaman@redhat.com>
RADOS: add a 'locator' interface via a new class 'RadosLocator' to lookup OSD IPs (optional Hostnames) storing a given object name