diff mbox

[2/9] nfsd: fix laundromat next-run-time calculation

Message ID 1401455373-18207-3-git-send-email-jlayton@primarydata.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jeff Layton May 30, 2014, 1:09 p.m. UTC
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>
---
 fs/nfsd/nfs4state.c | 22 ++++++++--------------
 1 file changed, 8 insertions(+), 14 deletions(-)
diff mbox

Patch

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index e85b8811aad3..be6199cc8711 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3385,8 +3385,7 @@  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();
 
@@ -3398,8 +3397,7 @@  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)) {
@@ -3422,9 +3420,8 @@  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);
@@ -3434,21 +3431,18 @@  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;