]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - fs/nfsd/nfs4state.c
math-emu: Fix thinko in _FP_DIV
[linux-2.6-omap-h63xx.git] / fs / nfsd / nfs4state.c
index c29b6ed2a0bb41c254d804f24f87098d45d07b59..0cc7ff5d5ab53e4bf0c0c5e4646cac4012f18165 100644 (file)
@@ -61,7 +61,6 @@
 static time_t lease_time = 90;     /* default lease time */
 static time_t user_lease_time = 90;
 static time_t boot_time;
-static int in_grace = 1;
 static u32 current_ownerid = 1;
 static u32 current_fileid = 1;
 static u32 current_delegid = 1;
@@ -1588,6 +1587,10 @@ nfs4_upgrade_open(struct svc_rqst *rqstp, struct svc_fh *cur_fh, struct nfs4_sta
                int err = get_write_access(inode);
                if (err)
                        return nfserrno(err);
+               err = mnt_want_write(cur_fh->fh_export->ex_path.mnt);
+               if (err)
+                       return nfserrno(err);
+               file_take_write(filp);
        }
        status = nfsd4_truncate(rqstp, cur_fh, open);
        if (status) {
@@ -1636,7 +1639,7 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_sta
                case NFS4_OPEN_CLAIM_NULL:
                        /* Let's not give out any delegations till everyone's
                         * had the chance to reclaim theirs.... */
-                       if (nfs4_in_grace())
+                       if (locks_in_grace())
                                goto out;
                        if (!atomic_read(&cb->cb_set) || !sop->so_confirmed)
                                goto out;
@@ -1812,12 +1815,15 @@ out:
        return status;
 }
 
+struct lock_manager nfsd4_manager = {
+};
+
 static void
-end_grace(void)
+nfsd4_end_grace(void)
 {
        dprintk("NFSD: end of grace period\n");
        nfsd4_recdir_purge_old();
-       in_grace = 0;
+       locks_end_grace(&nfsd4_manager);
 }
 
 static time_t
@@ -1834,8 +1840,8 @@ nfs4_laundromat(void)
        nfs4_lock_state();
 
        dprintk("NFSD: laundromat service - starting\n");
-       if (in_grace)
-               end_grace();
+       if (locks_in_grace())
+               nfsd4_end_grace();
        list_for_each_safe(pos, next, &client_lru) {
                clp = list_entry(pos, struct nfs4_client, cl_lru);
                if (time_after((unsigned long)clp->cl_time, (unsigned long)cutoff)) {
@@ -1970,7 +1976,7 @@ check_special_stateids(svc_fh *current_fh, stateid_t *stateid, int flags)
                return nfserr_bad_stateid;
        else if (ONE_STATEID(stateid) && (flags & RD_STATE))
                return nfs_ok;
-       else if (nfs4_in_grace()) {
+       else if (locks_in_grace()) {
                /* Answer in remaining cases depends on existance of
                 * conflicting state; so we must wait out the grace period. */
                return nfserr_grace;
@@ -1989,7 +1995,7 @@ check_special_stateids(svc_fh *current_fh, stateid_t *stateid, int flags)
 static inline int
 io_during_grace_disallowed(struct inode *inode, int flags)
 {
-       return nfs4_in_grace() && (flags & (RD_STATE | WR_STATE))
+       return locks_in_grace() && (flags & (RD_STATE | WR_STATE))
                && mandatory_lock(inode);
 }
 
@@ -2689,10 +2695,10 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
        filp = lock_stp->st_vfs_file;
 
        status = nfserr_grace;
-       if (nfs4_in_grace() && !lock->lk_reclaim)
+       if (locks_in_grace() && !lock->lk_reclaim)
                goto out;
        status = nfserr_no_grace;
-       if (!nfs4_in_grace() && lock->lk_reclaim)
+       if (!locks_in_grace() && lock->lk_reclaim)
                goto out;
 
        locks_init_lock(&file_lock);
@@ -2775,7 +2781,7 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
        int error;
        __be32 status;
 
-       if (nfs4_in_grace())
+       if (locks_in_grace())
                return nfserr_grace;
 
        if (check_lock_length(lockt->lt_offset, lockt->lt_length))
@@ -3188,9 +3194,9 @@ __nfs4_state_start(void)
        unsigned long grace_time;
 
        boot_time = get_seconds();
-       grace_time = get_nfs_grace_period();
+       grace_time = get_nfs4_grace_period();
        lease_time = user_lease_time;
-       in_grace = 1;
+       locks_start_grace(&nfsd4_manager);
        printk(KERN_INFO "NFSD: starting %ld-second grace period\n",
               grace_time/HZ);
        laundry_wq = create_singlethread_workqueue("nfsd4");
@@ -3209,12 +3215,6 @@ nfs4_state_start(void)
        return;
 }
 
-int
-nfs4_in_grace(void)
-{
-       return in_grace;
-}
-
 time_t
 nfs4_lease_time(void)
 {