On Tue, 19 Aug 2014 23:25:32 +0800
Kinglong Mee <kinglongmee@xxxxxxxxx> wrote:
> v4: same as v3
>
> Signed-off-by: Kinglong Mee <kinglongmee@xxxxxxxxx>
> ---
> fs/nfsd/nfs4state.c | 32 ++++++++++++++++----------------
> 1 file changed, 16 insertions(+), 16 deletions(-)
>
> diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
> index 98edf97..e087a71 100644
> --- a/fs/nfsd/nfs4state.c
> +++ b/fs/nfsd/nfs4state.c
> @@ -216,6 +216,13 @@ static void nfsd4_put_session(struct nfsd4_session *ses)
> spin_unlock(&nn->client_lock);
> }
>
> +static inline struct nfs4_stateowner *
> +nfs4_get_stateowner(struct nfs4_stateowner *sop)
> +{
> + atomic_inc(&sop->so_count);
> + return sop;
> +}
> +
> static int
> same_owner_str(struct nfs4_stateowner *sop, struct xdr_netobj *owner)
> {
> @@ -235,10 +242,8 @@ find_openstateowner_str_locked(unsigned int hashval, struct nfsd4_open *open,
> so_strhash) {
> if (!so->so_is_open_owner)
> continue;
> - if (same_owner_str(so, &open->op_owner)) {
> - atomic_inc(&so->so_count);
> - return openowner(so);
> - }
> + if (same_owner_str(so, &open->op_owner))
> + return openowner(nfs4_get_stateowner(so));
> }
> return NULL;
> }
> @@ -1644,7 +1649,7 @@ __destroy_client(struct nfs4_client *clp)
> }
> while (!list_empty(&clp->cl_openowners)) {
> oo = list_entry(clp->cl_openowners.next, struct nfs4_openowner, oo_perclient);
> - atomic_inc(&oo->oo_owner.so_count);
> + nfs4_get_stateowner(&oo->oo_owner);
> release_openowner(oo);
> }
> nfsd4_shutdown_callback(clp);
> @@ -3125,8 +3130,7 @@ static void nfsd4_cstate_assign_replay(struct nfsd4_compound_state *cstate,
> {
> if (!nfsd4_has_session(cstate)) {
> mutex_lock(&so->so_replay.rp_mutex);
> - cstate->replay_owner = so;
> - atomic_inc(&so->so_count);
> + cstate->replay_owner = nfs4_get_stateowner(so);
> }
> }
>
> @@ -3225,8 +3229,7 @@ static void init_open_stateid(struct nfs4_ol_stateid *stp, struct nfs4_file *fp,
> atomic_inc(&stp->st_stid.sc_count);
> stp->st_stid.sc_type = NFS4_OPEN_STID;
> INIT_LIST_HEAD(&stp->st_locks);
> - stp->st_stateowner = &oo->oo_owner;
> - atomic_inc(&stp->st_stateowner->so_count);
> + stp->st_stateowner = nfs4_get_stateowner(&oo->oo_owner);
> get_nfs4_file(fp);
> stp->st_stid.sc_file = fp;
> stp->st_access_bmap = 0;
> @@ -4914,10 +4917,8 @@ find_lockowner_str_locked(clientid_t *clid, struct xdr_netobj *owner,
> so_strhash) {
> if (so->so_is_open_owner)
> continue;
> - if (!same_owner_str(so, owner))
> - continue;
> - atomic_inc(&so->so_count);
> - return lockowner(so);
> + if (same_owner_str(so, owner))
> + return lockowner(nfs4_get_stateowner(so));
> }
> return NULL;
> }
> @@ -4996,8 +4997,7 @@ init_lock_stateid(struct nfs4_ol_stateid *stp, struct nfs4_lockowner *lo,
>
> atomic_inc(&stp->st_stid.sc_count);
> stp->st_stid.sc_type = NFS4_LOCK_STID;
> - stp->st_stateowner = &lo->lo_owner;
> - atomic_inc(&lo->lo_owner.so_count);
> + stp->st_stateowner = nfs4_get_stateowner(&lo->lo_owner);
> get_nfs4_file(fp);
> stp->st_stid.sc_file = fp;
> stp->st_stid.sc_free = nfs4_free_lock_stateid;
> @@ -5539,7 +5539,7 @@ nfsd4_release_lockowner(struct svc_rqst *rqstp,
> }
> }
>
> - atomic_inc(&sop->so_count);
> + nfs4_get_stateowner(sop);
> break;
> }
> spin_unlock(&clp->cl_lock);
Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxxxxxxx>
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