Replace hand-rolled unrefs if > 1 with refcount_release_if_not_last
Sponsored by: The FreeBSD Foundation
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parent
f07c942dd8
commit
6ff4688b09
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=341698
@ -4023,13 +4023,11 @@ prison_racct_free_locked(struct prison_racct *prr)
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void
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prison_racct_free(struct prison_racct *prr)
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{
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int old;
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ASSERT_RACCT_ENABLED();
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sx_assert(&allprison_lock, SA_UNLOCKED);
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old = prr->prr_refcount;
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if (old > 1 && atomic_cmpset_int(&prr->prr_refcount, old, old - 1))
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if (refcount_release_if_not_last(&prr->prr_refcount))
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return;
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sx_xlock(&allprison_lock);
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@ -84,10 +84,8 @@ loginclass_hold(struct loginclass *lc)
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void
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loginclass_free(struct loginclass *lc)
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{
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int old;
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old = lc->lc_refcount;
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if (old > 1 && atomic_cmpset_int(&lc->lc_refcount, old, old - 1))
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if (refcount_release_if_not_last(&lc->lc_refcount))
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return;
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rw_wlock(&loginclasses_lock);
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@ -1323,14 +1323,10 @@ uihold(struct uidinfo *uip)
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void
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uifree(struct uidinfo *uip)
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{
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int old;
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/* Prepare for optimal case. */
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old = uip->ui_ref;
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if (old > 1 && atomic_cmpset_int(&uip->ui_ref, old, old - 1))
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if (refcount_release_if_not_last(&uip->ui_ref))
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return;
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/* Prepare for suboptimal case. */
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rw_wlock(&uihashtbl_lock);
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if (refcount_release(&uip->ui_ref) == 0) {
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rw_wunlock(&uihashtbl_lock);
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