libceph: protect ceph_con_open() with mutex
authorSage Weil <sage@inktank.com>
Mon, 30 Jul 2012 23:21:40 +0000 (16:21 -0700)
committerSage Weil <sage@inktank.com>
Tue, 31 Jul 2012 01:15:33 +0000 (18:15 -0700)
commit5469155f2bc83bb2c88b0a0370c3d54d87eed06e
tree2124283bd87d274ed0008f0a22711ff4f1b4982d
parenta53aab645c82f0146e35684b34692c69b5118121
libceph: protect ceph_con_open() with mutex

Take the con mutex while we are initiating a ceph open.  This is necessary
because the may have previously been in use and then closed, which could
result in a racing workqueue running con_work().

Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Yehuda Sadeh <yehuda@inktank.com>
Reviewed-by: Alex Elder <elder@inktank.com>
net/ceph/messenger.c