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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2009-08-19 18:12:34 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2009-08-19 18:22:15 -0400 |
| commit | 7d7ea882898f23989209d0359691b356f73240dc (patch) | |
| tree | 8bd90c5c728302b8460f1f451d23168c8fc99433 /fs | |
| parent | e571cbf1a4f8d8b6cfd4898df718dae84c75a8e1 (diff) | |
| download | linux-3.10-7d7ea882898f23989209d0359691b356f73240dc.tar.gz linux-3.10-7d7ea882898f23989209d0359691b356f73240dc.tar.bz2 linux-3.10-7d7ea882898f23989209d0359691b356f73240dc.zip | |
NFS: Use the DNS resolver in the mount code.
In the referral code, use it to look up the new server's ip address if the
fs_locations attribute contains a hostname.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/nfs4namespace.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c index ef22ee89aa7..2636c26d56f 100644 --- a/fs/nfs/nfs4namespace.c +++ b/fs/nfs/nfs4namespace.c @@ -17,6 +17,7 @@ #include <linux/inet.h> #include "internal.h" #include "nfs4_fs.h" +#include "dns_resolve.h" #define NFSDBG_FACILITY NFSDBG_VFS @@ -95,6 +96,20 @@ static int nfs4_validate_fspath(const struct vfsmount *mnt_parent, return 0; } +static size_t nfs_parse_server_name(char *string, size_t len, + struct sockaddr *sa, size_t salen) +{ + ssize_t ret; + + ret = rpc_pton(string, len, sa, salen); + if (ret == 0) { + ret = nfs_dns_resolve_name(string, len, sa, salen); + if (ret < 0) + ret = 0; + } + return ret; +} + static struct vfsmount *try_location(struct nfs_clone_mount *mountdata, char *page, char *page2, const struct nfs4_fs_location *location) @@ -121,7 +136,8 @@ static struct vfsmount *try_location(struct nfs_clone_mount *mountdata, if (memchr(buf->data, IPV6_SCOPE_DELIMITER, buf->len)) continue; - mountdata->addrlen = rpc_pton(buf->data, buf->len, + mountdata->addrlen = nfs_parse_server_name(buf->data, + buf->len, mountdata->addr, mountdata->addrlen); if (mountdata->addrlen == 0) continue; |