diff options
Diffstat (limited to 'fs/nfs/nfs4session.h')
| -rw-r--r-- | fs/nfs/nfs4session.h | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/fs/nfs/nfs4session.h b/fs/nfs/nfs4session.h index 3a153d82b90c..232306100651 100644 --- a/fs/nfs/nfs4session.h +++ b/fs/nfs/nfs4session.h @@ -8,7 +8,7 @@ #define __LINUX_FS_NFS_NFS4SESSION_H /* maximum number of slots to use */ -#define NFS4_DEF_SLOT_TABLE_SIZE (16U) +#define NFS4_DEF_SLOT_TABLE_SIZE (64U) #define NFS4_MAX_SLOT_TABLE (1024U) #define NFS4_NO_SLOT ((u32)-1) @@ -72,10 +72,22 @@ enum nfs4_session_state { NFS4_SESSION_INITING, }; -#if defined(CONFIG_NFS_V4_1) +extern int nfs4_setup_slot_table(struct nfs4_slot_table *tbl, + unsigned int max_reqs, const char *queue); +extern void nfs4_release_slot_table(struct nfs4_slot_table *tbl); extern struct nfs4_slot *nfs4_alloc_slot(struct nfs4_slot_table *tbl); extern void nfs4_free_slot(struct nfs4_slot_table *tbl, struct nfs4_slot *slot); +extern void nfs4_slot_tbl_drain_complete(struct nfs4_slot_table *tbl); +bool nfs41_wake_and_assign_slot(struct nfs4_slot_table *tbl, + struct nfs4_slot *slot); +void nfs41_wake_slot_table(struct nfs4_slot_table *tbl); + +static inline bool nfs4_slot_tbl_draining(struct nfs4_slot_table *tbl) +{ + return !!test_bit(NFS4_SLOT_TBL_DRAINING, &tbl->slot_tbl_state); +} +#if defined(CONFIG_NFS_V4_1) extern void nfs41_set_target_slotid(struct nfs4_slot_table *tbl, u32 target_highest_slotid); extern void nfs41_update_target_slotid(struct nfs4_slot_table *tbl, @@ -89,17 +101,6 @@ extern void nfs4_destroy_session(struct nfs4_session *session); extern int nfs4_init_session(struct nfs_client *clp); extern int nfs4_init_ds_session(struct nfs_client *, unsigned long); -extern void nfs4_slot_tbl_drain_complete(struct nfs4_slot_table *tbl); - -static inline bool nfs4_slot_tbl_draining(struct nfs4_slot_table *tbl) -{ - return !!test_bit(NFS4_SLOT_TBL_DRAINING, &tbl->slot_tbl_state); -} - -bool nfs41_wake_and_assign_slot(struct nfs4_slot_table *tbl, - struct nfs4_slot *slot); -void nfs41_wake_slot_table(struct nfs4_slot_table *tbl); - /* * Determine if sessions are in use. */ @@ -117,6 +118,16 @@ static inline int nfs4_has_persistent_session(const struct nfs_client *clp) return 0; } +#ifdef CONFIG_CRC32 +/* + * nfs_session_id_hash - calculate the crc32 hash for the session id + * @session - pointer to session + */ +#define nfs_session_id_hash(sess_id) \ + (~crc32_le(0xFFFFFFFF, &(sess_id)->data[0], sizeof((sess_id)->data))) +#else +#define nfs_session_id_hash(session) (0) +#endif #else /* defined(CONFIG_NFS_V4_1) */ static inline int nfs4_init_session(struct nfs_client *clp) |