diff options
Diffstat (limited to 'fs/nfs/dns_resolve.c')
| -rw-r--r-- | fs/nfs/dns_resolve.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/fs/nfs/dns_resolve.c b/fs/nfs/dns_resolve.c index 89bd5581f317..6603b5cee029 100644 --- a/fs/nfs/dns_resolve.c +++ b/fs/nfs/dns_resolve.c @@ -16,8 +16,9 @@ #include "dns_resolve.h" ssize_t nfs_dns_resolve_name(struct net *net, char *name, size_t namelen, - struct sockaddr *sa, size_t salen) + struct sockaddr_storage *ss, size_t salen) { + struct sockaddr *sa = (struct sockaddr *)ss; ssize_t ret; char *ip_addr = NULL; int ip_len; @@ -39,7 +40,6 @@ ssize_t nfs_dns_resolve_name(struct net *net, char *name, size_t namelen, #include <linux/string.h> #include <linux/kmod.h> #include <linux/slab.h> -#include <linux/module.h> #include <linux/socket.h> #include <linux/seq_file.h> #include <linux/inet.h> @@ -152,12 +152,13 @@ static int nfs_dns_upcall(struct cache_detail *cd, struct cache_head *ch) { struct nfs_dns_ent *key = container_of(ch, struct nfs_dns_ent, h); - int ret; - ret = nfs_cache_upcall(cd, key->hostname); - if (ret) - ret = sunrpc_cache_pipe_upcall(cd, ch); - return ret; + if (test_and_set_bit(CACHE_PENDING, &ch->flags)) + return 0; + if (!nfs_cache_upcall(cd, key->hostname)) + return 0; + clear_bit(CACHE_PENDING, &ch->flags); + return sunrpc_cache_pipe_upcall_timeout(cd, ch); } static int nfs_dns_match(struct cache_head *ca, @@ -341,7 +342,7 @@ out: } ssize_t nfs_dns_resolve_name(struct net *net, char *name, - size_t namelen, struct sockaddr *sa, size_t salen) + size_t namelen, struct sockaddr_storage *ss, size_t salen) { struct nfs_dns_ent key = { .hostname = name, @@ -354,7 +355,7 @@ ssize_t nfs_dns_resolve_name(struct net *net, char *name, ret = do_cache_lookup_wait(nn->nfs_dns_resolve, &key, &item); if (ret == 0) { if (salen >= item->addrlen) { - memcpy(sa, &item->addr, item->addrlen); + memcpy(ss, &item->addr, item->addrlen); ret = item->addrlen; } else ret = -EOVERFLOW; |