SUNRPC: pass buffer size to svc_addsock()

Adjust the synopsis of svc_addsock() to pass in the size of the output
buffer.  Add a documenting comment.

This is a cosmetic change for now.  A subsequent patch will make sure
the buffer length is passed to one_sock_name(), where the length will
actually be useful.

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 2009-04-23 19:32:33 -04:00 committed by J. Bruce Fields
parent 335c54bdc4
commit bfba9ab4c6
3 changed files with 16 additions and 5 deletions

View File

@ -943,7 +943,7 @@ static ssize_t __write_ports_addfd(char *buf)
if (err != 0)
goto out;
err = svc_addsock(nfsd_serv, fd, buf);
err = svc_addsock(nfsd_serv, fd, buf, SIMPLE_TRANSACTION_LIMIT);
if (err < 0)
lockd_down();

View File

@ -39,7 +39,8 @@ int svc_send(struct svc_rqst *);
void svc_drop(struct svc_rqst *);
void svc_sock_update_bufs(struct svc_serv *serv);
int svc_sock_names(char *buf, struct svc_serv *serv, char *toclose);
int svc_addsock(struct svc_serv *serv, int fd, char *name_return);
int svc_addsock(struct svc_serv *serv, const int fd,
char *name_return, const size_t len);
void svc_init_xprt_sock(void);
void svc_cleanup_xprt_sock(void);

View File

@ -1128,9 +1128,19 @@ static struct svc_sock *svc_setup_socket(struct svc_serv *serv,
return svsk;
}
int svc_addsock(struct svc_serv *serv,
int fd,
char *name_return)
/**
* svc_addsock - add a listener socket to an RPC service
* @serv: pointer to RPC service to which to add a new listener
* @fd: file descriptor of the new listener
* @name_return: pointer to buffer to fill in with name of listener
* @len: size of the buffer
*
* Fills in socket name and returns positive length of name if successful.
* Name is terminated with '\n'. On error, returns a negative errno
* value.
*/
int svc_addsock(struct svc_serv *serv, const int fd, char *name_return,
const size_t len)
{
int err = 0;
struct socket *so = sockfd_lookup(fd, &err);