tree d7c5be5f87c642b45a92eec573a657207b27b899
parent 7a28f59bf9fb220cdf56ac6ab539fc4a0ae59414
author Ilya Dryomov <idryomov@gmail.com> 1461852446 +0200
committer Ilya Dryomov <idryomov@gmail.com> 1464217950 +0200

libceph: protect osdc->osd_lru list with a spinlock

OSD client is getting moved from the big per-client lock to a set of
per-session locks.  The big rwlock would only be held for read most of
the time, so a global osdc->osd_lru needs additional protection.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>