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nfsd4: add common dl_stid field to delegation

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Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2011-09-08 12:07:44 -04:00
parent dcef0413da
commit d5477a8db8
3 changed files with 22 additions and 20 deletions
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2
fs/nfsd/nfs4callback.c
View file

@ -351,7 +351,7 @@ static void encode_cb_recall4args(struct xdr_stream *xdr,
__be32 *p;
encode_nfs_cb_opnum4(xdr, OP_CB_RECALL);
encode_stateid4(xdr, &dp->dl_stateid);
encode_stateid4(xdr, &dp->dl_stid.sc_stateid);
p = xdr_reserve_space(xdr, 4);
*p++ = xdr_zero; /* truncate */

20
fs/nfsd/nfs4state.c
View file

@ -247,10 +247,10 @@ alloc_init_deleg(struct nfs4_client *clp, struct nfs4_ol_stateid *stp, struct sv
get_nfs4_file(fp);
dp->dl_file = fp;
dp->dl_type = type;
dp->dl_stateid.si_boot = boot_time;
dp->dl_stateid.si_stateownerid = current_delegid++;
dp->dl_stateid.si_fileid = 0;
dp->dl_stateid.si_generation = 1;
dp->dl_stid.sc_stateid.si_boot = boot_time;
dp->dl_stid.sc_stateid.si_stateownerid = current_delegid++;
dp->dl_stid.sc_stateid.si_fileid = 0;
dp->dl_stid.sc_stateid.si_generation = 1;
fh_copy_shallow(&dp->dl_fh, &current_fh->fh_handle);
dp->dl_time = 0;
atomic_set(&dp->dl_count, 1);
@ -2572,7 +2572,7 @@ find_delegation_file(struct nfs4_file *fp, stateid_t *stid)
spin_lock(&recall_lock);
list_for_each_entry(dp, &fp->fi_delegations, dl_perfile)
if (dp->dl_stateid.si_stateownerid == stid->si_stateownerid) {
if (dp->dl_stid.sc_stateid.si_stateownerid == stid->si_stateownerid) {
spin_unlock(&recall_lock);
return dp;
}
@ -2861,10 +2861,10 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_ol_
if (status)
goto out_free;
memcpy(&open->op_delegate_stateid, &dp->dl_stateid, sizeof(dp->dl_stateid));
memcpy(&open->op_delegate_stateid, &dp->dl_stid.sc_stateid, sizeof(dp->dl_stid.sc_stateid));
dprintk("NFSD: delegation stateid=" STATEID_FMT "\n",
STATEID_VAL(&dp->dl_stateid));
STATEID_VAL(&dp->dl_stid.sc_stateid));
out:
if (open->op_claim_type == NFS4_OPEN_CLAIM_PREVIOUS
&& flag == NFS4_OPEN_DELEGATE_NONE
@ -3296,7 +3296,7 @@ nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate,
dp = find_delegation_stateid(ino, stateid);
if (!dp)
goto out;
status = check_stateid_generation(stateid, &dp->dl_stateid, nfsd4_has_session(cstate));
status = check_stateid_generation(stateid, &dp->dl_stid.sc_stateid, nfsd4_has_session(cstate));
if (status)
goto out;
status = nfs4_check_delegmode(dp, flags);
@ -3667,7 +3667,7 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
dp = find_delegation_stateid(inode, stateid);
if (!dp)
goto out;
status = check_stateid_generation(stateid, &dp->dl_stateid, nfsd4_has_session(cstate));
status = check_stateid_generation(stateid, &dp->dl_stid.sc_stateid, nfsd4_has_session(cstate));
if (status)
goto out;
renew_client(dp->dl_client);
@ -3737,7 +3737,7 @@ search_for_delegation(stateid_t *stid)
list_for_each_entry(fp, &file_hashtbl[i], fi_hash) {
list_for_each(pos, &fp->fi_delegations) {
dp = list_entry(pos, struct nfs4_delegation, dl_perfile);
if (same_stateid(&dp->dl_stateid, stid))
if (same_stateid(&dp->dl_stid.sc_stateid, stid))
return dp;
}
}

20
fs/nfsd/state.h
View file

@ -76,6 +76,15 @@ struct nfsd4_callback {
bool cb_done;
};
struct nfs4_stid {
#define NFS4_OPEN_STID 1
#define NFS4_LOCK_STID 2
#define NFS4_DELEG_STID 4
char sc_type;
struct list_head sc_hash;
stateid_t sc_stateid;
};
struct nfs4_delegation {
struct list_head dl_perfile;
struct list_head dl_perclnt;
@ -86,7 +95,7 @@ struct nfs4_delegation {
u32 dl_type;
time_t dl_time;
/* For recall: */
stateid_t dl_stateid;
struct nfs4_stid dl_stid;
struct knfsd_fh dl_fh;
int dl_retries;
struct nfsd4_callback dl_recall;
@ -446,14 +455,7 @@ static inline struct file *find_any_file(struct nfs4_file *f)
* we should consider defining separate structs for the two cases.
*/
struct nfs4_stid {
#define NFS4_OPEN_STID 1
#define NFS4_LOCK_STID 2
char sc_type;
struct list_head sc_hash;
stateid_t sc_stateid;
};
/* "ol" stands for "Open or Lock". Better suggestions welcome. */
struct nfs4_ol_stateid {
struct nfs4_stid st_stid;
struct list_head st_perfile;