Upcall: Cleanup expired client entries

To cleanup expired client entries (with access_time > 2*CACHE_INVALIDATION_TIMEOUT),
have
        * defined a global list to contain all the upcall_inode_ctx allocated
        * Every time a upcall_inode_ctx is allocated, it is added to the global list
        * during inode_forget, that upcall_inode_ctx is marked for destroy
        * created a reaper thread which scans through that list
                * cleans up expired client entries
                * frees the inode_ctx with destroy_mode set.

Note: This reaper thread is initialized only when features.cache_invalidation option
is enabled.

Change-Id: Iea2a63eb31b8e08d5709e7e090cf26fd13d01265
BUG: 1218567
Signed-off-by: Soumya Koduri <skoduri@redhat.com>
Reviewed-on: http://review.gluster.org/10342
Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com>
Reviewed-on: http://review.gluster.org/10566
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System

0 files changed, 0 insertions, 0 deletions