nfsd4: use session limits to release send buffer reservation
Once we know the limits the session places on the size of the rpc, we
can also use that information to release any unnecessary reserved reply
buffer space.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 612b85a..62b882d 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2290,6 +2290,7 @@
nfserr_rep_too_big;
if (xdr_restrict_buflen(xdr, buflen - 2 * RPC_MAX_AUTH_SIZE))
goto out_put_session;
+ svc_reserve(rqstp, buflen);
status = nfs_ok;
/* Success! bump slot seqid */