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| author |   Chris Metcalf <cmetcalf@tilera.com> | 2010-08-13 19:59:15 -0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2010-08-13 19:59:15 -0400 |
| commit | 7d72e6fa56c4100b9669efe0044f77ed9eb785a1 (patch) | |
| tree | 5e90bf4969809a1ab20b97432b85be20ccfaa1f4 /fs/nfs/dns_resolve.c | |
| parent | arch/tile: extend syscall ABI to set r1 on return as well. (diff) | |
| parent | Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6 (diff) | |
| download | linux-dev-7d72e6fa56c4100b9669efe0044f77ed9eb785a1.tar.xz linux-dev-7d72e6fa56c4100b9669efe0044f77ed9eb785a1.zip | |
Merge branch 'master' into for-linus
Diffstat (limited to 'fs/nfs/dns_resolve.c')
| -rw-r--r-- | fs/nfs/dns_resolve.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/fs/nfs/dns_resolve.c b/fs/nfs/dns_resolve.c index 76fd235d0024..dba50a5625db 100644 --- a/fs/nfs/dns_resolve.c +++ b/fs/nfs/dns_resolve.c @@ -6,6 +6,29 @@ * Resolves DNS hostnames into valid ip addresses */ +#ifdef CONFIG_NFS_USE_KERNEL_DNS + +#include <linux/sunrpc/clnt.h> +#include <linux/dns_resolver.h> + +ssize_t nfs_dns_resolve_name(char *name, size_t namelen, + struct sockaddr *sa, size_t salen) +{ + ssize_t ret; + char *ip_addr = NULL; + int ip_len; + + ip_len = dns_query(NULL, name, namelen, NULL, &ip_addr, NULL); + if (ip_len > 0) + ret = rpc_pton(ip_addr, ip_len, sa, salen); + else + ret = -ESRCH; + kfree(ip_addr); + return ret; +} + +#else + #include <linux/hash.h> #include <linux/string.h> #include <linux/kmod.h> @@ -346,3 +369,4 @@ void nfs_dns_resolver_destroy(void) nfs_cache_unregister(&nfs_dns_resolve); } +#endif |