[PATCH] svcrpc: save and restore the daddr field when request deferred

The server code currently keeps track of the destination address on every
request so that it can reply using the same address.  However we forget to do
that in the case of a deferred request.  Remedy this oversight.  >From folks
at PolyServe.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
J. Bruce Fields 2006-01-18 17:43:16 -08:00 committed by Linus Torvalds
parent 7e8f05934d
commit 1918e34138
2 changed files with 3 additions and 0 deletions

View file

@ -246,6 +246,7 @@ struct svc_deferred_req {
u32 prot; /* protocol (UDP or TCP) */
struct sockaddr_in addr;
struct svc_sock *svsk; /* where reply must go */
u32 daddr; /* where reply must come from */
struct cache_deferred_req handle;
int argslen;
u32 args[0];

View file

@ -1527,6 +1527,7 @@ svc_defer(struct cache_req *req)
dr->handle.owner = rqstp->rq_server;
dr->prot = rqstp->rq_prot;
dr->addr = rqstp->rq_addr;
dr->daddr = rqstp->rq_daddr;
dr->argslen = rqstp->rq_arg.len >> 2;
memcpy(dr->args, rqstp->rq_arg.head[0].iov_base-skip, dr->argslen<<2);
}
@ -1552,6 +1553,7 @@ static int svc_deferred_recv(struct svc_rqst *rqstp)
rqstp->rq_arg.len = dr->argslen<<2;
rqstp->rq_prot = dr->prot;
rqstp->rq_addr = dr->addr;
rqstp->rq_daddr = dr->daddr;
return dr->argslen<<2;
}