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>
This commit is contained in:
J. Bruce Fields 2014-03-20 20:47:41 -04:00
parent 47ee529864
commit 32aaa62ede

View File

@ -2290,6 +2290,7 @@ nfsd4_sequence(struct svc_rqst *rqstp,
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 */