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Differential D25435 Diff 73657 head/sys/geom/eli/g_eli_key_cache.c

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head/sys/geom/eli/g_eli_key_cache.c

Show First 20 Lines • Show All 112 Lines • ▼ Show 20 Linesg_eli_key_allocate(struct g_eli_softc *sc, uint64_t keyno)
mtx_lock(&sc->sc_ekeys_lock); mtx_lock(&sc->sc_ekeys_lock);
/* /*
* Recheck if the key wasn't added while we weren't holding the lock. * Recheck if the key wasn't added while we weren't holding the lock.
*/ */
keysearch.gek_keyno = keyno; keysearch.gek_keyno = keyno;
ekey = RB_FIND(g_eli_key_tree, &sc->sc_ekeys_tree, &keysearch); ekey = RB_FIND(g_eli_key_tree, &sc->sc_ekeys_tree, &keysearch);
if (ekey != NULL) { if (ekey != NULL) {
explicit_bzero(key, sizeof(*key)); zfree(key, M_ELI);
free(key, M_ELI);
key = ekey; key = ekey;
TAILQ_REMOVE(&sc->sc_ekeys_queue, key, gek_next); TAILQ_REMOVE(&sc->sc_ekeys_queue, key, gek_next);
} else { } else {
RB_INSERT(g_eli_key_tree, &sc->sc_ekeys_tree, key); RB_INSERT(g_eli_key_tree, &sc->sc_ekeys_tree, key);
sc->sc_ekeys_allocated++; sc->sc_ekeys_allocated++;
} }
TAILQ_INSERT_TAIL(&sc->sc_ekeys_queue, key, gek_next); TAILQ_INSERT_TAIL(&sc->sc_ekeys_queue, key, gek_next);
Show All 39 Linesg_eli_key_remove(struct g_eli_softc *sc, struct g_eli_key *key)
mtx_assert(&sc->sc_ekeys_lock, MA_OWNED); mtx_assert(&sc->sc_ekeys_lock, MA_OWNED);
KASSERT(key->gek_magic == G_ELI_KEY_MAGIC, ("Invalid magic.")); KASSERT(key->gek_magic == G_ELI_KEY_MAGIC, ("Invalid magic."));
KASSERT(key->gek_count == 0, ("gek_count=%d", key->gek_count)); KASSERT(key->gek_count == 0, ("gek_count=%d", key->gek_count));
RB_REMOVE(g_eli_key_tree, &sc->sc_ekeys_tree, key); RB_REMOVE(g_eli_key_tree, &sc->sc_ekeys_tree, key);
TAILQ_REMOVE(&sc->sc_ekeys_queue, key, gek_next); TAILQ_REMOVE(&sc->sc_ekeys_queue, key, gek_next);
sc->sc_ekeys_allocated--; sc->sc_ekeys_allocated--;
explicit_bzero(key, sizeof(*key)); zfree(key, M_ELI);
free(key, M_ELI);
} }
void void
g_eli_key_init(struct g_eli_softc *sc) g_eli_key_init(struct g_eli_softc *sc)
{ {
uint8_t *mkey; uint8_t *mkey;
mtx_lock(&sc->sc_ekeys_lock); mtx_lock(&sc->sc_ekeys_lock);
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