Dropping glusterfs fuse client cache

When a gluster volume is accessed via native fuse clients, there can be high memory usage by the glusterfs client process. This can happen when there is lot of IO happening. This can happen more if the workload involves lots of files.

GlusterFS client maintains a 1:1 mapping between the inodes in it and the corresponding inodes in the fuse kernel module. Inodes are the internal repre...