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sunrpc: Pass the ip_map_parse's cd to lower calls 

The target is to have many ip_map_cache-s in the system. This particular
patch handles its usage by the ip_map_parse callback.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Pavel Emelyanov 2010-09-27 13:57:36 +04:00 committed by J. Bruce Fields
parent 74ec1e1269
commit bf18ab32ff
1 changed files with 21 additions and 10 deletions
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31
net/sunrpc/svcauth_unix.c
View File

@ -178,8 +178,8 @@ static int ip_map_upcall(struct cache_detail *cd, struct cache_head *h)
return sunrpc_cache_pipe_upcall(cd, h, ip_map_request);
}
static struct ip_map *ip_map_lookup(char *class, struct in6_addr *addr);
static int ip_map_update(struct ip_map *ipm, struct unix_domain *udom, time_t expiry);
static struct ip_map *__ip_map_lookup(struct cache_detail *cd, char *class, struct in6_addr *addr);
static int __ip_map_update(struct cache_detail *cd, struct ip_map *ipm, struct unix_domain *udom, time_t expiry);
static int ip_map_parse(struct cache_detail *cd,
char *mesg, int mlen)
@ -249,9 +249,9 @@ static int ip_map_parse(struct cache_detail *cd,
dom = NULL;
/* IPv6 scope IDs are ignored for now */
ipmp = ip_map_lookup(class, &sin6.sin6_addr);
ipmp = __ip_map_lookup(cd, class, &sin6.sin6_addr);
if (ipmp) {
err = ip_map_update(ipmp,
err = __ip_map_update(cd, ipmp,
container_of(dom, struct unix_domain, h),
expiry);
} else
@ -309,14 +309,15 @@ struct cache_detail ip_map_cache = {
.alloc = ip_map_alloc,
};
static struct ip_map *ip_map_lookup(char *class, struct in6_addr *addr)
static struct ip_map *__ip_map_lookup(struct cache_detail *cd, char *class,
struct in6_addr *addr)
{
struct ip_map ip;
struct cache_head *ch;
strcpy(ip.m_class, class);
ipv6_addr_copy(&ip.m_addr, addr);
ch = sunrpc_cache_lookup(&ip_map_cache, &ip.h,
ch = sunrpc_cache_lookup(cd, &ip.h,
hash_str(class, IP_HASHBITS) ^
hash_ip6(*addr));
@ -326,7 +327,13 @@ static struct ip_map *ip_map_lookup(char *class, struct in6_addr *addr)
return NULL;
}
static int ip_map_update(struct ip_map *ipm, struct unix_domain *udom, time_t expiry)
static inline struct ip_map *ip_map_lookup(char *class, struct in6_addr *addr)
{
return __ip_map_lookup(&ip_map_cache, class, addr);
}
static int __ip_map_update(struct cache_detail *cd, struct ip_map *ipm,
struct unix_domain *udom, time_t expiry)
{
struct ip_map ip;
struct cache_head *ch;
@ -344,16 +351,20 @@ static int ip_map_update(struct ip_map *ipm, struct unix_domain *udom, time_t ex
ip.m_add_change++;
}
ip.h.expiry_time = expiry;
ch = sunrpc_cache_update(&ip_map_cache,
&ip.h, &ipm->h,
ch = sunrpc_cache_update(cd, &ip.h, &ipm->h,
hash_str(ipm->m_class, IP_HASHBITS) ^
hash_ip6(ipm->m_addr));
if (!ch)
return -ENOMEM;
cache_put(ch, &ip_map_cache);
cache_put(ch, cd);
return 0;
}
static inline int ip_map_update(struct ip_map *ipm, struct unix_domain *udom, time_t expiry)
{
return __ip_map_update(&ip_map_cache, ipm, udom, expiry);
}
int auth_unix_add_addr(struct in6_addr *addr, struct auth_domain *dom)
{
struct unix_domain *udom;