| commit | 604d1b0245b97738cde4341944ad93edff4b2827 | [log] [tgz] |
|---|---|---|
| author | Yan, Zheng <zyan@redhat.com> | Fri May 01 17:49:16 2015 +0800 |
| committer | Ilya Dryomov <idryomov@gmail.com> | Thu Jun 25 11:49:28 2015 +0300 |
| tree | 05a75dfc1ddf4729405f9cb6ce2f405b8e47791e | |
| parent | 860560904962d08fd38666207c910065fe53e074 [diff] |
ceph: take snap_rwsem when accessing snap realm's cached_context When ceph inode's i_head_snapc is NULL, __ceph_mark_dirty_caps() accesses snap realm's cached_context. So we need take read lock of snap_rwsem. Signed-off-by: Yan, Zheng <zyan@redhat.com>