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FromNeilBrown <>
DateMon, 3 Apr 2006 15:19:25 +1000
Subject[PATCH 016 of 16] knfsd: nfsd4: grant delegations more frequently
Keep unused openowners around for at least one lease period, to avoid the
need for as many open confirmations and to allow handing out more
delegations.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>

### Diffstat output
 ./fs/nfsd/nfs4state.c |   13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)
diff ./fs/nfsd/nfs4state.c~current~ ./fs/nfsd/nfs4state.c
--- ./fs/nfsd/nfs4state.c~current~	2006-04-03 15:12:17.000000000 +1000
+++ ./fs/nfsd/nfs4state.c	2006-04-03 15:12:17.000000000 +1000
@@ -1198,8 +1198,7 @@ move_to_close_lru(struct nfs4_stateowner
 {
 	dprintk("NFSD: move_to_close_lru nfs4_stateowner %p\n", sop);
 
-	unhash_stateowner(sop);
-	list_add_tail(&sop->so_close_lru, &close_lru);
+	list_move_tail(&sop->so_close_lru, &close_lru);
 	sop->so_time = get_seconds();
 }
 
@@ -1928,8 +1927,7 @@ nfs4_laundromat(void)
 		}
 		dprintk("NFSD: purging unused open stateowner (so_id %d)\n",
 			sop->so_id);
-		list_del(&sop->so_close_lru);
-		nfs4_put_stateowner(sop);
+		release_stateowner(sop);
 	}
 	if (clientid_val < NFSD_LAUNDROMAT_MINTIMEOUT)
 		clientid_val = NFSD_LAUNDROMAT_MINTIMEOUT;
@@ -3217,15 +3215,8 @@ __nfs4_state_shutdown(void)
 	int i;
 	struct nfs4_client *clp = NULL;
 	struct nfs4_delegation *dp = NULL;
-	struct nfs4_stateowner *sop = NULL;
 	struct list_head *pos, *next, reaplist;
 
-	list_for_each_safe(pos, next, &close_lru) {
-		sop = list_entry(pos, struct nfs4_stateowner, so_close_lru);
-		list_del(&sop->so_close_lru);
-		nfs4_put_stateowner(sop);
-	}
-
 	for (i = 0; i < CLIENT_HASH_SIZE; i++) {
 		while (!list_empty(&conf_id_hashtbl[i])) {
 			clp = list_entry(conf_id_hashtbl[i].next, struct nfs4_client, cl_idhash);
-
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