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author | J. Bruce Fields <bfields@redhat.com> | 2011-07-31 03:33:59 (GMT) |
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committer | J. Bruce Fields <bfields@redhat.com> | 2011-09-07 13:45:49 (GMT) |
commit | fe0750e5c43189adb6e6fc59837af7d5a588f413 (patch) | |
tree | 88c5afe7a955f1e55e305639a4d6031237542b8d /fs/nfsd/state.h | |
parent | f4dee24cca98739a4190a00fa014cd1b7e2581a4 (diff) | |
download | linux-fsl-qoriq-fe0750e5c43189adb6e6fc59837af7d5a588f413.tar.xz |
nfsd4: split stateowners into open and lockowners
The stateowner has some fields that only make sense for openowners, and
some that only make sense for lockowners, and I find it a lot clearer if
those are separated out.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/state.h')
-rw-r--r-- | fs/nfsd/state.h | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index 0d88000..7994ed9 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -337,14 +337,11 @@ struct nfs4_replay { * reaped (when so_perfilestate is empty) to hold the last close replay. * reaped by laundramat thread after lease period. */ + struct nfs4_stateowner { struct list_head so_idhash; /* hash by so_id */ struct list_head so_strhash; /* hash by op_name */ - struct list_head so_perclient; struct list_head so_stateids; - struct list_head so_perstateid; /* for lockowners only */ - struct list_head so_close_lru; /* tail queue */ - time_t so_time; /* time of placement on so_close_lru */ int so_is_open_owner; /* 1=openowner,0=lockowner */ u32 so_id; struct nfs4_client * so_client; @@ -352,10 +349,33 @@ struct nfs4_stateowner { * sequence id expected from the client: */ u32 so_seqid; struct xdr_netobj so_owner; /* open owner name */ - int so_confirmed; /* successful OPEN_CONFIRM? */ struct nfs4_replay so_replay; }; +struct nfs4_openowner { + struct nfs4_stateowner oo_owner; /* must be first field */ + struct list_head oo_perclient; + struct list_head oo_close_lru; /* tail queue */ + time_t oo_time; /* time of placement on so_close_lru */ + int oo_confirmed; /* successful OPEN_CONFIRM? */ +}; + +struct nfs4_lockowner { + struct nfs4_stateowner lo_owner; /* must be first element */ + struct list_head lo_perstateid; /* for lockowners only */ + struct list_head lo_list; /* for temporary uses */ +}; + +static inline struct nfs4_openowner * openowner(struct nfs4_stateowner *so) +{ + return container_of(so, struct nfs4_openowner, oo_owner); +} + +static inline struct nfs4_lockowner * lockowner(struct nfs4_stateowner *so) +{ + return container_of(so, struct nfs4_lockowner, lo_owner); +} + /* * nfs4_file: a file opened by some number of (open) nfs4_stateowners. * o fi_perfile list is used to search for conflicting @@ -457,7 +477,8 @@ extern void nfs4_lock_state(void); extern void nfs4_unlock_state(void); extern int nfs4_in_grace(void); extern __be32 nfs4_check_open_reclaim(clientid_t *clid); -extern void nfs4_free_stateowner(struct nfs4_stateowner *sop); +extern void nfs4_free_openowner(struct nfs4_openowner *); +extern void nfs4_free_lockowner(struct nfs4_lockowner *); extern int set_callback_cred(void); extern void nfsd4_probe_callback(struct nfs4_client *clp); extern void nfsd4_probe_callback_sync(struct nfs4_client *clp); |