nfs_iostats
#define nfs_alloc_iostats() alloc_percpu(struct nfs_iostats)
static inline void nfs_free_iostats(struct nfs_iostats __percpu *stats)
struct nfs_iostats totals = { };
struct nfs_iostats *stats;
struct nfs_iostats __percpu *io_stats; /* I/O statistics */
struct nfs_iostats;