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lockd: Use sockaddr_storage + length for h_addr field

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To store larger addresses in the nlm_host structure, make h_addr a
sockaddr_storage, and add an address length field.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Chuck Lever 2008-09-03 14:35:39 -04:00 • committed by J. Bruce Fields
parent 5344b12d4f
commit b4ed58fd34
3 changed files with 22 additions and 7 deletions
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16
include/linux/lockd/lockd.h
View file

@ -38,7 +38,8 @@
*/
struct nlm_host {
struct hlist_node h_hash; /* doubly linked list */
struct sockaddr_in h_addr; /* peer address */
struct sockaddr_storage h_addr; /* peer address */
size_t h_addrlen;
struct sockaddr_in h_saddr; /* our address (optional) */
struct rpc_clnt * h_rpcclnt; /* RPC client to talk to peer */
char * h_name; /* remote hostname */
@ -76,6 +77,19 @@ struct nsm_handle {
char sm_addrbuf[48]; /* address eyecatcher */
};
/*
* Rigorous type checking on sockaddr type conversions
*/
static inline struct sockaddr_in *nlm_addr_in(const struct nlm_host *host)
{
return (struct sockaddr_in *)&host->h_addr;
}
static inline struct sockaddr *nlm_addr(const struct nlm_host *host)
{
return (struct sockaddr *)&host->h_addr;
}
/*
* Map an fl_owner_t into a unique 32-bit "pid"
*/