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remove unused locked variable in lockmgr_unlock_fast_path

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This commit is contained in:
Matt Macy 2018-05-19 03:58:40 +00:00
parent ddd4d15ecd
commit 02fe8a2409
1 changed files with 0 additions and 4 deletions
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4
sys/kern/kern_lock.c
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@ -1101,7 +1101,6 @@ lockmgr_unlock_fast_path(struct lock *lk, u_int flags, struct lock_object *ilk)
{
struct lock_class *class;
uintptr_t x, tid;
bool unlocked;
const char *file;
int line;
@ -1112,12 +1111,10 @@ lockmgr_unlock_fast_path(struct lock *lk, u_int flags, struct lock_object *ilk)
line = __LINE__;
_lockmgr_assert(lk, KA_LOCKED, file, line);
unlocked = false;
x = lk->lk_lock;
if (__predict_true(x & LK_SHARE) != 0) {
if (lockmgr_sunlock_try(lk, &x)) {
lockmgr_note_shared_release(lk, file, line);
unlocked = true;
} else {
return (lockmgr_sunlock_hard(lk, x, flags, ilk, file, line));
}
@ -1126,7 +1123,6 @@ lockmgr_unlock_fast_path(struct lock *lk, u_int flags, struct lock_object *ilk)
if (!lockmgr_recursed(lk) &&
atomic_cmpset_rel_ptr(&lk->lk_lock, tid, LK_UNLOCKED)) {
lockmgr_note_exclusive_release(lk, file, line);
unlocked = true;
} else {
return (lockmgr_xunlock_hard(lk, x, flags, ilk, file, line));
}