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nfsd: fix laundromat next-run-time calculation

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The laundromat uses two variables to calculate when it should next run,
but one is completely ignored at the end of the run. Merge the two and
rename the variable to be more descriptive of what it does.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Jeff Layton 2014-05-30 09:09:26 -04:00 committed by J. Bruce Fields
parent da2ebce6a0
commit a832e7ae8b
1 changed files with 8 additions and 14 deletions
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22
fs/nfsd/nfs4state.c
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@ -3397,8 +3397,7 @@ nfs4_laundromat(struct nfsd_net *nn)
struct nfs4_delegation *dp;
struct list_head *pos, *next, reaplist;
time_t cutoff = get_seconds() - nn->nfsd4_lease;
time_t t, clientid_val = nn->nfsd4_lease;
time_t u, test_val = nn->nfsd4_lease;
time_t t, new_timeo = nn->nfsd4_lease;
nfs4_lock_state();
@ -3410,8 +3409,7 @@ nfs4_laundromat(struct nfsd_net *nn)
clp = list_entry(pos, struct nfs4_client, cl_lru);
if (time_after((unsigned long)clp->cl_time, (unsigned long)cutoff)) {
t = clp->cl_time - cutoff;
if (clientid_val > t)
clientid_val = t;
new_timeo = min(new_timeo, t);
break;
}
if (mark_client_expired_locked(clp)) {
@ -3434,9 +3432,8 @@ nfs4_laundromat(struct nfsd_net *nn)
if (net_generic(dp->dl_stid.sc_client->net, nfsd_net_id) != nn)
continue;
if (time_after((unsigned long)dp->dl_time, (unsigned long)cutoff)) {
u = dp->dl_time - cutoff;
if (test_val > u)
test_val = u;
t = dp->dl_time - cutoff;
new_timeo = min(new_timeo, t);
break;
}
list_move(&dp->dl_recall_lru, &reaplist);
@ -3446,21 +3443,18 @@ nfs4_laundromat(struct nfsd_net *nn)
dp = list_entry (pos, struct nfs4_delegation, dl_recall_lru);
revoke_delegation(dp);
}
test_val = nn->nfsd4_lease;
list_for_each_safe(pos, next, &nn->close_lru) {
oo = container_of(pos, struct nfs4_openowner, oo_close_lru);
if (time_after((unsigned long)oo->oo_time, (unsigned long)cutoff)) {
u = oo->oo_time - cutoff;
if (test_val > u)
test_val = u;
t = oo->oo_time - cutoff;
new_timeo = min(new_timeo, t);
break;
}
release_openowner(oo);
}
if (clientid_val < NFSD_LAUNDROMAT_MINTIMEOUT)
clientid_val = NFSD_LAUNDROMAT_MINTIMEOUT;
new_timeo = max_t(time_t, new_timeo, NFSD_LAUNDROMAT_MINTIMEOUT);
nfs4_unlock_state();
return clientid_val;
return new_timeo;
}
static struct workqueue_struct *laundry_wq;