tree 0d20fa10151e43f9f104986a2b89ec88ca0135af
parent 4321e01e7dce8042758349ffa2929c723b0d4107
author Vitaliy Gusev <vgusev@openvz.org> 1200528428 +0000
committer J. Bruce Fields <bfields@citi.umich.edu> 1202079096 -0500

pid-namespaces-vs-locks-interaction

fcntl(F_GETLK,..) can return pid of process for not current pid namespace
(if process is belonged to the several namespaces).  It is true also for
pids in /proc/locks.  So correct behavior is saving pointer to the struct
pid of the process lock owner.

Signed-off-by: Vitaliy Gusev <vgusev@openvz.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>