“075c457b92014d578cca83f40c39035158635cac”上不存在“drivers/gpu/drm/imx/parallel-display.c”
提交 61beef75 编写于 作者: A Anna Schumaker 提交者: Trond Myklebust

NFS: Clear up state owner lock usage

can_open_cached() reads values out of the state structure, meaning that
we need the so_lock to have a correct return value.  As a bonus, this
helps clear up some potentially confusing code.
Signed-off-by: NAnna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
上级 0f7a622c
......@@ -1307,7 +1307,6 @@ static struct nfs4_state *nfs4_try_open_cached(struct nfs4_opendata *opendata)
int ret = -EAGAIN;
for (;;) {
if (can_open_cached(state, fmode, open_mode)) {
spin_lock(&state->owner->so_lock);
if (can_open_cached(state, fmode, open_mode)) {
update_open_stateflags(state, fmode);
......@@ -1315,7 +1314,6 @@ static struct nfs4_state *nfs4_try_open_cached(struct nfs4_opendata *opendata)
goto out_return_state;
}
spin_unlock(&state->owner->so_lock);
}
rcu_read_lock();
delegation = rcu_dereference(nfsi->delegation);
if (!can_open_delegated(delegation, fmode)) {
......
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