ceph_queue_inode_work
void ceph_queue_inode_work(struct inode *inode, int work_bit);
ceph_queue_inode_work(inode, CEPH_I_WORK_VMTRUNCATE);
ceph_queue_inode_work(inode, CEPH_I_WORK_INVALIDATE_PAGES);
ceph_queue_inode_work(inode, CEPH_I_WORK_WRITEBACK);
ceph_queue_inode_work(inode, CEPH_I_WORK_CHECK_CAPS);
ceph_queue_inode_work(inode, CEPH_I_WORK_FLUSH_SNAPS);