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| author | Andy Adamson <andros@netapp.com> | 2009-04-03 08:27:43 +0300 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2009-04-03 17:41:13 -0700 |
| commit | 7116ed6b9973021ff43edeb10f4cb834db94000f (patch) | |
| tree | fb47a0d182cbf2afb87f482ac03d1a1763f8ee3b /include | |
| parent | 10add806c38c022d18af48f3ec28c91b4eaf7bb3 (diff) | |
| download | linux-7116ed6b9973021ff43edeb10f4cb834db94000f.tar.gz linux-7116ed6b9973021ff43edeb10f4cb834db94000f.tar.bz2 linux-7116ed6b9973021ff43edeb10f4cb834db94000f.zip | |
nfsd41: sessions basic data types
This patch provides basic data structures representing the nfs41
sessions and slots, plus helpers for keeping a reference count
on the session and freeing it.
Note that our server only support a headerpadsz of 0 and
it ignores backchannel attributes at the moment.
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfsd41: remove headerpadsz from channel attributes]
[nfsd41: embed nfsd4_channel in nfsd4_session]
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfsd41: use bool inuse for slot state]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfsd41 remove sl_session from nfsd4_slot]
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/nfsd/state.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h index a6e4a00fa392..baea7f1fdb4a 100644 --- a/include/linux/nfsd/state.h +++ b/include/linux/nfsd/state.h @@ -99,6 +99,39 @@ struct nfs4_callback { struct rpc_clnt * cb_client; }; +struct nfsd4_slot { + bool sl_inuse; + u32 sl_seqid; +}; + +struct nfsd4_session { + struct kref se_ref; + struct list_head se_hash; /* hash by sessionid */ + struct list_head se_perclnt; + u32 se_flags; + struct nfs4_client *se_client; /* for expire_client */ + struct nfs4_sessionid se_sessionid; + u32 se_fmaxreq_sz; + u32 se_fmaxresp_sz; + u32 se_fmaxresp_cached; + u32 se_fmaxops; + u32 se_fnumslots; + struct nfsd4_slot *se_slots; /* forward channel slots */ +}; + +static inline void +nfsd4_put_session(struct nfsd4_session *ses) +{ + extern void free_session(struct kref *kref); + kref_put(&ses->se_ref, free_session); +} + +static inline void +nfsd4_get_session(struct nfsd4_session *ses) +{ + kref_get(&ses->se_ref); +} + #define HEXDIR_LEN 33 /* hex version of 16 byte md5 of cl_name plus '\0' */ /* |