nfsd4: drop most stateowner refcounting
Maybe we'll bring it back some day, but we don't have much real use for
it now.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 26b0c75..834a5f8 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -453,7 +453,7 @@
static void release_lockowner(struct nfs4_stateowner *sop)
{
unhash_lockowner(sop);
- nfs4_put_stateowner(sop);
+ nfs4_free_stateowner(sop);
}
static void
@@ -496,7 +496,7 @@
{
unhash_openowner(sop);
list_del(&sop->so_close_lru);
- nfs4_put_stateowner(sop);
+ nfs4_free_stateowner(sop);
}
#define SESSION_HASH_SIZE 512
@@ -2206,10 +2206,8 @@
}
void
-nfs4_free_stateowner(struct kref *kref)
+nfs4_free_stateowner(struct nfs4_stateowner *sop)
{
- struct nfs4_stateowner *sop =
- container_of(kref, struct nfs4_stateowner, so_ref);
kfree(sop->so_owner.data);
kmem_cache_free(stateowner_slab, sop);
}
@@ -2236,7 +2234,6 @@
}
sop->so_owner.len = owner->len;
- kref_init(&sop->so_ref);
INIT_LIST_HEAD(&sop->so_perclient);
INIT_LIST_HEAD(&sop->so_stateids);
INIT_LIST_HEAD(&sop->so_perstateid);
@@ -3413,14 +3410,12 @@
/* It's not stale; let's assume it's expired: */
if (sop == NULL)
return nfserr_expired;
- nfs4_get_stateowner(sop);
cstate->replay_owner = sop;
goto check_replay;
}
*stpp = stp;
sop = stp->st_stateowner;
- nfs4_get_stateowner(sop);
cstate->replay_owner = sop;
if (nfs4_check_fh(current_fh, stp)) {
@@ -3783,11 +3778,17 @@
if (fl->fl_lmops == &nfsd_posix_mng_ops) {
sop = (struct nfs4_stateowner *) fl->fl_owner;
- kref_get(&sop->so_ref);
- deny->ld_sop = sop;
+ deny->ld_owner.data = kmemdup(sop->so_owner.data,
+ sop->so_owner.len, GFP_KERNEL);
+ if (!deny->ld_owner.data)
+ /* We just don't care that much */
+ goto nevermind;
+ deny->ld_owner.len = sop->so_owner.len;
deny->ld_clientid = sop->so_client->cl_clientid;
} else {
- deny->ld_sop = NULL;
+nevermind:
+ deny->ld_owner.len = 0;
+ deny->ld_owner.data = NULL;
deny->ld_clientid.cl_boot = 0;
deny->ld_clientid.cl_id = 0;
}