2007-12-10 20:03:28

by Chuck Lever III

[permalink] [raw]
Subject: [PATCH 20/27] NFS: Change nfs_find_client() to take "struct sockaddr *"

Adjust arguments and callers of nfs_find_client() to pass a
"struct sockaddr *" instead of "struct sockaddr_in *" to support non-IPv4
addresses.

Signed-off-by: Chuck Lever <[email protected]>
Cc: Aurelien Charbon <[email protected]>
---

fs/nfs/callback.c | 3 +--
fs/nfs/callback_proc.c | 4 ++--
fs/nfs/client.c | 4 ++--
fs/nfs/internal.h | 2 +-
4 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index bbf67f1..9b6bbf1 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -164,12 +164,11 @@ void nfs_callback_down(void)

static int nfs_callback_authenticate(struct svc_rqst *rqstp)
{
- struct sockaddr_in *addr = svc_addr_in(rqstp);
struct nfs_client *clp;
char buf[RPC_MAX_ADDRBUFLEN];

/* Don't talk to strangers */
- clp = nfs_find_client(addr, 4);
+ clp = nfs_find_client(svc_addr(rqstp), 4);
if (clp == NULL)
return SVC_DROP;

diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index fa9586d..e89a900 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -25,7 +25,7 @@ __be32 nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *

res->bitmap[0] = res->bitmap[1] = 0;
res->status = htonl(NFS4ERR_BADHANDLE);
- clp = nfs_find_client((struct sockaddr_in *)args->addr, 4);
+ clp = nfs_find_client(args->addr, 4);
if (clp == NULL)
goto out;

@@ -68,7 +68,7 @@ __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy)
__be32 res;

res = htonl(NFS4ERR_BADHANDLE);
- clp = nfs_find_client((struct sockaddr_in *)args->addr, 4);
+ clp = nfs_find_client(args->addr, 4);
if (clp == NULL)
goto out;

diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index e904e5f..48fbacd 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -266,13 +266,13 @@ found:
* Find a client by IP address and protocol version
* - returns NULL if no such client
*/
-struct nfs_client *nfs_find_client(const struct sockaddr_in *addr,
+struct nfs_client *nfs_find_client(const struct sockaddr *addr,
unsigned int nfsversion)
{
struct nfs_client *clp;

spin_lock(&nfs_client_lock);
- clp = __nfs_find_client((struct sockaddr *)addr, nfsversion, 0);
+ clp = __nfs_find_client(addr, nfsversion, 0);
spin_unlock(&nfs_client_lock);
if (clp != NULL && clp->cl_cons_state != NFS_CS_READY) {
nfs_put_client(clp);
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index c065dc3..8b96364 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -61,7 +61,7 @@ extern struct rpc_program nfs_program;

extern void nfs_put_client(struct nfs_client *);
extern struct nfs_client *nfs_find_client(
- const struct sockaddr_in *,
+ const struct sockaddr *,
unsigned int);
extern struct nfs_server *nfs_create_server(
const struct nfs_parsed_mount_data *,