/* Maximum number of slots per session. 160 is useful for long haul TCP */
#define NFSD_MAX_SLOTS_PER_SESSION 160
-/* Maximum number of pages per slot cache entry */
-#define NFSD_PAGES_PER_SLOT 1
-#define NFSD_SLOT_CACHE_SIZE PAGE_SIZE
/* Maximum number of operations per session compound */
#define NFSD_MAX_OPS_PER_COMPOUND 16
+/* Maximum session per slot cache size */
+#define NFSD_SLOT_CACHE_SIZE 1024
/* Maximum number of NFSD_SLOT_CACHE_SIZE slots per session */
#define NFSD_CACHE_SIZE_SLOTS_PER_SESSION 32
#define NFSD_MAX_MEM_PER_SESSION \
(NFSD_CACHE_SIZE_SLOTS_PER_SESSION * NFSD_SLOT_CACHE_SIZE)
-struct nfsd4_cache_entry {
- __be32 ce_status;
- struct kvec ce_datav; /* encoded NFSv4.1 data in rq_res.head[0] */
- struct page *ce_respages[NFSD_PAGES_PER_SLOT + 1];
- int ce_cachethis;
- short ce_resused;
- int ce_opcnt;
- int ce_rpchdrlen;
-};
-
struct nfsd4_slot {
- bool sl_inuse;
- u32 sl_seqid;
- struct nfsd4_cache_entry sl_cache_entry;
+ bool sl_inuse;
+ bool sl_cachethis;
+ u16 sl_opcnt;
+ u32 sl_seqid;
+ __be32 sl_status;
+ u32 sl_datalen;
+ char sl_data[];
};
struct nfsd4_channel_attrs {
struct nfs4_sessionid se_sessionid;
struct nfsd4_channel_attrs se_fchannel;
struct nfsd4_channel_attrs se_bchannel;
- struct nfsd4_slot se_slots[]; /* forward channel slots */
+ struct nfsd4_slot *se_slots[]; /* forward channel slots */
};
static inline void