* in the future it will be moved to ll_sb_info to support multi-
* mount point */
struct timer_list ll_capa_timer;
+atomic_t ll_capa_stat = ATOMIC_INIT(0);
EXPORT_SYMBOL(capa_lock);
EXPORT_SYMBOL(capa_hash);
EXPORT_SYMBOL(capa_list);
EXPORT_SYMBOL(ll_capa_timer);
+EXPORT_SYMBOL(ll_capa_stat);
static inline int const
capa_hashfn(unsigned int uid, __u64 mdsid, unsigned long ino)
struct obd_capa *ocapa;
uid_t ouid;
- CDEBUG(D_INODE, "find capa for (uid %u, op %d, mdsid "LPU64", ino %lu"
- " igen %u, type %d\n", (unsigned) uid, capa_op, mdsid, ino, igen, type);
hlist_for_each_entry(ocapa, pos, head, c_hash) {
if (ocapa->c_capa.lc_ino != ino)
continue;
hlist_for_each_entry(ocapa, pos, head, c_hash) {
if (ocapa->c_type != FILTER_CAPA)
continue;
+
if (!memcmp(&ocapa->c_capa, capa,
sizeof(struct lustre_capa_data))) {
-
DEBUG_CAPA(D_INODE, &ocapa->c_capa, "found %s",
capa_type_name[ocapa->c_type]);
return ocapa;
ocapa = find_capa_locked(head, uid, capa_op, mdsid, ino, igen, type);
+ if (type == CLIENT_CAPA && !ocapa && atomic_read(&ll_capa_stat)) {
+ CDEBUG(D_ERROR, "can't find capa for (uid %u, op %d, mdsid "
+ LPU64", ino %lu igen %u, type %d)\n",
+ (unsigned) uid, capa_op, mdsid, ino, igen, type);
+ atomic_set(&ll_capa_stat, 0);
+ }
+
return ocapa;
}
return ocapa;
}
-void capa_put(struct obd_capa *ocapa)
+void capa_put_nolock(struct obd_capa *ocapa)
{
- if (!ocapa)
- return;
-
DEBUG_CAPA(D_INODE, &ocapa->c_capa, "put %s",
capa_type_name[ocapa->c_type]);
- spin_lock(&capa_lock);
+
if (ocapa->c_type == CLIENT_CAPA) {
list_del_init(&ocapa->c_lli_list);
__capa_put(ocapa);
} else {
atomic_dec(&ocapa->c_refc);
}
+}
+
+void capa_put(struct obd_capa *ocapa)
+{
+ if (!ocapa)
+ return;
+
+ spin_lock(&capa_lock);
+ capa_put_nolock(ocapa);
spin_unlock(&capa_lock);
}
if (!ocapa)
ocapa = get_new_capa_locked(head, type, capa);
+ if (type == CLIENT_CAPA)
+ atomic_set(&ll_capa_stat, 1);
+
return ocapa;
}
return rc;
}
+void dump_capa_hmac(char *buf, char *key)
+{
+ int i, n = 0;
+
+ for (i = 0; i < CAPA_DIGEST_SIZE; i++)
+ n += sprintf(buf + n, "%02x", (unsigned char) key[i]);
+}
+
+
EXPORT_SYMBOL(capa_op);
EXPORT_SYMBOL(capa_get);
+EXPORT_SYMBOL(__capa_get);
EXPORT_SYMBOL(filter_capa_get);
EXPORT_SYMBOL(capa_put);
+EXPORT_SYMBOL(capa_put_nolock);
EXPORT_SYMBOL(capa_renew);
-EXPORT_SYMBOL(__capa_get);
EXPORT_SYMBOL(capa_hmac);
EXPORT_SYMBOL(capa_dup);
EXPORT_SYMBOL(capa_dup2);
EXPORT_SYMBOL(capa_expired);
EXPORT_SYMBOL(__capa_is_to_expire);
EXPORT_SYMBOL(capa_is_to_expire);
+EXPORT_SYMBOL(dump_capa_hmac);
+