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SUNRPC: pass buffer size to svc_sock_names()

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Adjust the synopsis of svc_sock_names() 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 19:32:40 -04:00
committed by J. Bruce Fields
parent bfba9ab4c6
commit 8435d34dbb
3 changed files with 22 additions and 4 deletions
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19
net/sunrpc/svcsock.c
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@@ -259,8 +259,23 @@ static int one_sock_name(char *buf, struct svc_sock *svsk)
return len;
}
int
svc_sock_names(char *buf, struct svc_serv *serv, char *toclose)
/**
* svc_sock_names - construct a list of listener names in a string
* @serv: pointer to RPC service
* @buf: pointer to a buffer to fill in with socket names
* @buflen: size of the buffer to be filled
* @toclose: pointer to '\0'-terminated C string containing the name
* of a listener to be closed
*
* Fills in @buf with a '\n'-separated list of names of listener
* sockets. If @toclose is not NULL, the socket named by @toclose
* is closed, and is not included in the output list.
*
* Returns positive length of the socket name string, or a negative
* errno value on error.
*/
int svc_sock_names(struct svc_serv *serv, char *buf, const size_t buflen,
const char *toclose)
{
struct svc_sock *svsk, *closesk = NULL;
int len = 0;