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authorPavel Emelyanov <xemul@parallels.com>2010-09-27 11:57:36 +0200
committerJ. Bruce Fields <bfields@redhat.com>2010-09-27 16:16:11 +0200
commitbf18ab32ff2a50a3d13d559f26f94ecfba131f24 (patch)
tree9d4ee72228c3b0c71a1de93d3cf5ed33adb1e33b /net/sunrpc/svcauth_unix.c
parentnfsd: fix /proc/net/rpc/nfsd.export/content display (diff)
downloadlinux-bf18ab32ff2a50a3d13d559f26f94ecfba131f24.tar.xz
linux-bf18ab32ff2a50a3d13d559f26f94ecfba131f24.zip
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>
Diffstat (limited to 'net/sunrpc/svcauth_unix.c')
-rw-r--r--net/sunrpc/svcauth_unix.c31
1 files changed, 21 insertions, 10 deletions
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index e91b550bc836..31b99c599e7e 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -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;