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nfsd4: replace oo_confirmed by flag bit

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I want at least one more bit here.  So, let's haul out the caps lock key
and add a flags field.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2011-09-12 12:24:13 -04:00
parent 58e7b33a58
commit dad1c067eb
3 changed files with 16 additions and 15 deletions
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4
fs/nfsd/nfs4proc.c
View file

@ -375,7 +375,7 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
goto out;
break;
case NFS4_OPEN_CLAIM_PREVIOUS:
open->op_openowner->oo_confirmed = 1;
open->op_openowner->oo_flags |= NFS4_OO_CONFIRMED;
/*
* The CURRENT_FH is already set to the file being
* opened. (1) set open->op_cinfo, (2) set
@ -388,7 +388,7 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
goto out;
break;
case NFS4_OPEN_CLAIM_DELEGATE_PREV:
open->op_openowner->oo_confirmed = 1;
open->op_openowner->oo_flags |= NFS4_OO_CONFIRMED;
dprintk("NFSD: unsupported OPEN claim type %d\n",
open->op_claim_type);
status = nfserr_notsupp;

24
fs/nfsd/nfs4state.c
View file

@ -2322,7 +2322,7 @@ alloc_init_open_stateowner(unsigned int strhashval, struct nfs4_client *clp, str
return NULL;
oo->oo_owner.so_is_open_owner = 1;
oo->oo_owner.so_seqid = open->op_seqid;
oo->oo_confirmed = 0;
oo->oo_flags = 0;
oo->oo_time = 0;
INIT_LIST_HEAD(&oo->oo_close_lru);
hash_openowner(oo, clp, strhashval);
@ -2549,7 +2549,7 @@ nfsd4_process_open1(struct nfsd4_compound_state *cstate,
return nfserr_expired;
goto renew;
}
if (!oo->oo_confirmed) {
if (!(oo->oo_flags & NFS4_OO_CONFIRMED)) {
/* Replace unconfirmed owners without checking for replay. */
clp = oo->oo_owner.so_client;
release_openowner(oo);
@ -2616,7 +2616,7 @@ nfs4_check_deleg(struct nfs4_file *fp, struct nfsd4_open *open,
return nfs_ok;
if (status)
return status;
open->op_openowner->oo_confirmed = 1;
open->op_openowner->oo_flags |= NFS4_OO_CONFIRMED;
return nfs_ok;
}
@ -2749,7 +2749,7 @@ nfs4_upgrade_open(struct svc_rqst *rqstp, struct nfs4_file *fp, struct svc_fh *c
static void
nfs4_set_claim_prev(struct nfsd4_open *open)
{
open->op_openowner->oo_confirmed = 1;
open->op_openowner->oo_flags |= NFS4_OO_CONFIRMED;
open->op_openowner->oo_owner.so_client->cl_firststate = 1;
}
@ -2853,7 +2853,7 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_ol_
* had the chance to reclaim theirs.... */
if (locks_in_grace())
goto out;
if (!cb_up || !oo->oo_confirmed)
if (!cb_up || !(oo->oo_flags & NFS4_OO_CONFIRMED))
goto out;
if (open->op_share_access & NFS4_SHARE_ACCESS_WRITE)
flag = NFS4_OPEN_DELEGATE_WRITE;
@ -2952,7 +2952,7 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf
memcpy(&open->op_stateid, &stp->st_stid.sc_stateid, sizeof(stateid_t));
if (nfsd4_has_session(&resp->cstate))
open->op_openowner->oo_confirmed = 1;
open->op_openowner->oo_flags |= NFS4_OO_CONFIRMED;
/*
* Attempt to hand out a delegation. No error return, because the
@ -2973,7 +2973,7 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf
* To finish the open response, we just need to set the rflags.
*/
open->op_rflags = NFS4_OPEN_RESULT_LOCKTYPE_POSIX;
if (!open->op_openowner->oo_confirmed &&
if (!(open->op_openowner->oo_flags & NFS4_OO_CONFIRMED) &&
!nfsd4_has_session(&resp->cstate))
open->op_rflags |= NFS4_OPEN_RESULT_CONFIRM;
@ -3264,7 +3264,7 @@ __be32 nfs4_validate_stateid(stateid_t *stateid, bool has_session)
return nfs_ok;
ols = openlockstateid(s);
if (ols->st_stateowner->so_is_open_owner
&& !openowner(ols->st_stateowner)->oo_confirmed)
&& !(openowner(ols->st_stateowner)->oo_flags & NFS4_OO_CONFIRMED))
return nfserr_bad_stateid;
return nfs_ok;
}
@ -3323,7 +3323,7 @@ nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate,
if (nfs4_check_fh(current_fh, stp))
goto out;
if (stp->st_stateowner->so_is_open_owner
&& !openowner(stp->st_stateowner)->oo_confirmed)
&& !(openowner(stp->st_stateowner)->oo_flags & NFS4_OO_CONFIRMED))
goto out;
status = nfs4_check_openmode(stp, flags);
if (status)
@ -3476,7 +3476,7 @@ static __be32 nfs4_preprocess_confirmed_seqid_op(struct nfsd4_compound_state *cs
if (status)
return status;
oo = openowner((*stpp)->st_stateowner);
if (!oo->oo_confirmed)
if (!(oo->oo_flags & NFS4_OO_CONFIRMED))
return nfserr_bad_stateid;
return nfs_ok;
}
@ -3506,9 +3506,9 @@ nfsd4_open_confirm(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
goto out;
oo = openowner(stp->st_stateowner);
status = nfserr_bad_stateid;
if (oo->oo_confirmed)
if (oo->oo_flags & NFS4_OO_CONFIRMED)
goto out;
oo->oo_confirmed = 1;
oo->oo_flags |= NFS4_OO_CONFIRMED;
update_stateid(&stp->st_stid.sc_stateid);
memcpy(&oc->oc_resp_stateid, &stp->st_stid.sc_stateid, sizeof(stateid_t));
dprintk("NFSD: %s: success, seqid=%d stateid=" STATEID_FMT "\n",

3
fs/nfsd/state.h
View file

@ -371,7 +371,8 @@ struct nfs4_openowner {
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? */
#define NFS4_OO_CONFIRMED 1
unsigned char oo_flags;
};
struct nfs4_lockowner {