From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
This helps make sure that responses use the correct
source address on multi-homed machines.
Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
---
fs/nfs/callback.h | 3 +++
fs/nfs/callback_xdr.c | 3 +++
include/linux/sunrpc/svc.h | 1 +
3 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h
index 4251c2a..1a695f7 100644
--- a/fs/nfs/callback.h
+++ b/fs/nfs/callback.h
@@ -59,6 +59,7 @@ struct cb_compound_hdr_res {
struct cb_getattrargs {
struct sockaddr *addr;
+ struct sockaddr *srcaddr;
struct nfs_fh fh;
uint32_t bitmap[2];
};
@@ -74,6 +75,7 @@ struct cb_getattrres {
struct cb_recallargs {
struct sockaddr *addr;
+ struct sockaddr *srcaddr;
struct nfs_fh fh;
nfs4_stateid stateid;
uint32_t truncate;
@@ -94,6 +96,7 @@ struct referring_call_list {
struct cb_sequenceargs {
struct sockaddr *csa_addr;
+ struct sockaddr *csa_daddr;
struct nfs4_sessionid csa_sessionid;
uint32_t csa_sequenceid;
uint32_t csa_slotid;
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index 742ff4f..75cff02 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -198,6 +198,7 @@ static __be32 decode_getattr_args(struct svc_rqst *rqstp, struct xdr_stream *xdr
if (unlikely(status != 0))
goto out;
args->addr = svc_addr(rqstp);
+ args->srcaddr = svc_daddr(rqstp);
status = decode_bitmap(xdr, args->bitmap);
out:
dprintk("%s: exit with status = %d\n", __func__, ntohl(status));
@@ -210,6 +211,7 @@ static __be32 decode_recall_args(struct svc_rqst *rqstp, struct xdr_stream *xdr,
__be32 status;
args->addr = svc_addr(rqstp);
+ args->srcaddr = svc_daddr(rqstp);
status = decode_stateid(xdr, &args->stateid);
if (unlikely(status != 0))
goto out;
@@ -448,6 +450,7 @@ static __be32 decode_cb_sequence_args(struct svc_rqst *rqstp,
goto out;
args->csa_addr = svc_addr(rqstp);
+ args->csa_daddr = svc_daddr(rqstp);
args->csa_sequenceid = ntohl(*p++);
args->csa_slotid = ntohl(*p++);
args->csa_highestslotid = ntohl(*p++);
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index d83db80..bf134c3 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -313,6 +313,7 @@ static inline struct sockaddr *svc_daddr(const struct svc_rqst *rqst)
return (struct sockaddr *) &rqst->rq_daddr;
}
+
/*
* Check buffer bounds after decoding arguments
*/
--
1.7.3.4
--
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