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authorJ. Bruce Fields <bfields@redhat.com>2011-08-24 12:45:03 -0400
committerJ. Bruce Fields <bfields@redhat.com>2011-08-31 17:56:03 -0400
commit9072d5c66b17292e3cd055bc8057b2ce6af2fe34 (patch)
tree1a043fb220698cd67f24ab47f7734210449cc65c /fs/nfsd
parentf3e4223751392b9bc0195a806a6e99b4cc399ac0 (diff)
nfsd4: cleanup seqid op stateowner usage
Now that the replay owner is in the cstate we can remove it from a lot of other individual operations and further simplify nfs4_preprocess_seqid_op(). Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4state.c57
-rw-r--r--fs/nfsd/nfs4xdr.c5
-rw-r--r--fs/nfsd/xdr4.h7
3 files changed, 24 insertions, 45 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index e4535ff9287..bc1a9dbc289 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3388,7 +3388,6 @@ setlkflg (int type)
static __be32
nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
stateid_t *stateid, int flags,
- struct nfs4_stateowner **sopp,
struct nfs4_stateid **stpp)
{
struct nfs4_stateid *stp;
@@ -3400,7 +3399,6 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
seqid, STATEID_VAL(stateid));
*stpp = NULL;
- *sopp = NULL;
if (ZERO_STATEID(stateid) || ONE_STATEID(stateid)) {
dprintk("NFSD: preprocess_seqid_op: magic stateid!\n");
@@ -3431,7 +3429,7 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
}
*stpp = stp;
- *sopp = sop = stp->st_stateowner;
+ sop = stp->st_stateowner;
nfs4_get_stateowner(sop);
cstate->replay_owner = sop;
@@ -3467,7 +3465,6 @@ check_replay:
}
dprintk("NFSD: preprocess_seqid_op: bad seqid (expected %d, got %d)\n",
sop->so_seqid, seqid);
- *sopp = NULL;
return nfserr_bad_seqid;
}
@@ -3489,13 +3486,13 @@ nfsd4_open_confirm(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
nfs4_lock_state();
- if ((status = nfs4_preprocess_seqid_op(cstate,
+ status = nfs4_preprocess_seqid_op(cstate,
oc->oc_seqid, &oc->oc_req_stateid,
- CONFIRM | OPEN_STATE,
- &oc->oc_stateowner, &stp)))
+ CONFIRM | OPEN_STATE, &stp);
+ if (status)
goto out;
- sop = oc->oc_stateowner;
+ sop = stp->st_stateowner;
sop->so_confirmed = 1;
update_stateid(&stp->st_stateid);
memcpy(&oc->oc_resp_stateid, &stp->st_stateid, sizeof(stateid_t));
@@ -3547,11 +3544,9 @@ nfsd4_open_downgrade(struct svc_rqst *rqstp,
return nfserr_inval;
nfs4_lock_state();
- if ((status = nfs4_preprocess_seqid_op(cstate,
- od->od_seqid,
- &od->od_stateid,
- OPEN_STATE,
- &od->od_stateowner, &stp)))
+ status = nfs4_preprocess_seqid_op(cstate, od->od_seqid,
+ &od->od_stateid, OPEN_STATE, &stp);
+ if (status)
goto out;
status = nfserr_inval;
@@ -3586,6 +3581,7 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
{
__be32 status;
struct nfs4_stateid *stp;
+ struct nfs4_stateowner *so;
dprintk("NFSD: nfsd4_close on file %.*s\n",
(int)cstate->current_fh.fh_dentry->d_name.len,
@@ -3593,12 +3589,12 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
nfs4_lock_state();
/* check close_lru for replay */
- if ((status = nfs4_preprocess_seqid_op(cstate,
- close->cl_seqid,
+ status = nfs4_preprocess_seqid_op(cstate, close->cl_seqid,
&close->cl_stateid,
- OPEN_STATE | CLOSE_STATE,
- &close->cl_stateowner, &stp)))
+ OPEN_STATE | CLOSE_STATE, &stp);
+ if (status)
goto out;
+ so = stp->st_stateowner;
status = nfs_ok;
update_stateid(&stp->st_stateid);
memcpy(&close->cl_stateid, &stp->st_stateid, sizeof(stateid_t));
@@ -3610,8 +3606,8 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
* released by the laundromat service after the lease period
* to enable us to handle CLOSE replay
*/
- if (list_empty(&close->cl_stateowner->so_stateids))
- move_to_close_lru(close->cl_stateowner);
+ if (list_empty(&so->so_stateids))
+ move_to_close_lru(so);
out:
nfs4_unlock_state();
return status;
@@ -3962,12 +3958,11 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
status = nfs4_preprocess_seqid_op(cstate,
lock->lk_new_open_seqid,
&lock->lk_new_open_stateid,
- OPEN_STATE,
- &lock->lk_replay_owner, &open_stp);
+ OPEN_STATE, &open_stp);
if (status)
goto out;
status = nfserr_bad_stateid;
- open_sop = lock->lk_replay_owner;
+ open_sop = open_stp->st_stateowner;
if (!nfsd4_has_session(cstate) &&
!same_clid(&open_sop->so_client->cl_clientid,
&lock->v.new.clientid))
@@ -3993,14 +3988,13 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
status = nfs4_preprocess_seqid_op(cstate,
lock->lk_old_lock_seqid,
&lock->lk_old_lock_stateid,
- LOCK_STATE,
- &lock->lk_replay_owner, &lock_stp);
+ LOCK_STATE, &lock_stp);
if (status)
goto out;
- lock_sop = lock->lk_replay_owner;
+ lock_sop = lock_stp->st_stateowner;
fp = lock_stp->st_file;
}
- /* lock->lk_replay_owner and lock_stp have been created or found */
+ /* lock_sop and lock_stp have been created or found */
lkflg = setlkflg(lock->lk_type);
status = nfs4_check_openmode(lock_stp, lkflg);
@@ -4191,13 +4185,10 @@ nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
nfs4_lock_state();
- if ((status = nfs4_preprocess_seqid_op(cstate,
- locku->lu_seqid,
- &locku->lu_stateid,
- LOCK_STATE,
- &locku->lu_stateowner, &stp)))
+ status = nfs4_preprocess_seqid_op(cstate, locku->lu_seqid,
+ &locku->lu_stateid, LOCK_STATE, &stp);
+ if (status)
goto out;
-
filp = find_any_file(stp->st_file);
if (!filp) {
status = nfserr_lock_range;
@@ -4206,7 +4197,7 @@ nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
BUG_ON(!filp);
locks_init_lock(&file_lock);
file_lock.fl_type = F_UNLCK;
- file_lock.fl_owner = (fl_owner_t) locku->lu_stateowner;
+ file_lock.fl_owner = (fl_owner_t) stp->st_stateowner;
file_lock.fl_pid = current->tgid;
file_lock.fl_file = filp;
file_lock.fl_flags = FL_POSIX;
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index ee126783871..462c6eff847 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -456,7 +456,6 @@ nfsd4_decode_close(struct nfsd4_compoundargs *argp, struct nfsd4_close *close)
{
DECODE_HEAD;
- close->cl_stateowner = NULL;
READ_BUF(4);
READ32(close->cl_seqid);
return nfsd4_decode_stateid(argp, &close->cl_stateid);
@@ -551,7 +550,6 @@ nfsd4_decode_lock(struct nfsd4_compoundargs *argp, struct nfsd4_lock *lock)
{
DECODE_HEAD;
- lock->lk_replay_owner = NULL;
/*
* type, reclaim(boolean), offset, length, new_lock_owner(boolean)
*/
@@ -611,7 +609,6 @@ nfsd4_decode_locku(struct nfsd4_compoundargs *argp, struct nfsd4_locku *locku)
{
DECODE_HEAD;
- locku->lu_stateowner = NULL;
READ_BUF(8);
READ32(locku->lu_type);
if ((locku->lu_type < NFS4_READ_LT) || (locku->lu_type > NFS4_WRITEW_LT))
@@ -739,7 +736,6 @@ nfsd4_decode_open_confirm(struct nfsd4_compoundargs *argp, struct nfsd4_open_con
{
DECODE_HEAD;
- open_conf->oc_stateowner = NULL;
status = nfsd4_decode_stateid(argp, &open_conf->oc_req_stateid);
if (status)
return status;
@@ -754,7 +750,6 @@ nfsd4_decode_open_downgrade(struct nfsd4_compoundargs *argp, struct nfsd4_open_d
{
DECODE_HEAD;
- open_down->od_stateowner = NULL;
status = nfsd4_decode_stateid(argp, &open_down->od_stateid);
if (status)
return status;
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index 663193b21a2..341f0a17d21 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -81,7 +81,6 @@ struct nfsd4_access {
struct nfsd4_close {
u32 cl_seqid; /* request */
stateid_t cl_stateid; /* request+response */
- struct nfs4_stateowner * cl_stateowner; /* response */
};
struct nfsd4_commit {
@@ -165,9 +164,6 @@ struct nfsd4_lock {
} ok;
struct nfsd4_lock_denied denied;
} u;
- /* The lk_replay_owner is the open owner in the open_to_lock_owner
- * case and the lock owner otherwise: */
- struct nfs4_stateowner *lk_replay_owner;
};
#define lk_new_open_seqid v.new.open_seqid
#define lk_new_open_stateid v.new.open_stateid
@@ -199,7 +195,6 @@ struct nfsd4_locku {
stateid_t lu_stateid;
u64 lu_offset;
u64 lu_length;
- struct nfs4_stateowner *lu_stateowner;
};
@@ -243,7 +238,6 @@ struct nfsd4_open_confirm {
stateid_t oc_req_stateid /* request */;
u32 oc_seqid /* request */;
stateid_t oc_resp_stateid /* response */;
- struct nfs4_stateowner * oc_stateowner; /* response */
};
struct nfsd4_open_downgrade {
@@ -251,7 +245,6 @@ struct nfsd4_open_downgrade {
u32 od_seqid;
u32 od_share_access;
u32 od_share_deny;
- struct nfs4_stateowner *od_stateowner;
};