From: Andy Adamson <andros@xxxxxxxxxx> We won't cache the SEQUENCE operation because we can encode it from the session slot values. Signed-off-by: Andy Adamson <andros@xxxxxxxxxx> --- fs/nfsd/nfs4state.c | 10 +++++++--- 1 files changed, 7 insertions(+), 3 deletions(-) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index a9e722e..187e1da 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -448,6 +448,12 @@ static int set_forechannel_maxreqs(struct nfsd4_channel_attrs *fchan) } } +/* rpc header + encoded OP_SEQUENCE reply + NFSD_SLOT_CACHE_SIZE in bytes */ +#define NFSD_MAX_RESPONSE_CACHED ((RPC_MAX_HEADER_WITH_AUTH + \ + 2 + /* OP_SEQUENCE header */ \ + XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5 + \ + XDR_QUADLEN(NFSD_SLOT_CACHE_SIZE)) << 2) + /* * fchan holds the client values on input, and the server values on output */ @@ -469,9 +475,7 @@ static int init_forechannel_attrs(struct svc_rqst *rqstp, fchan->maxresp_sz = maxcount; session_fchan->maxresp_sz = fchan->maxresp_sz; - /* Set the max response cached size our default which is - * a multiple of PAGE_SIZE and small */ - session_fchan->maxresp_cached = NFSD_PAGES_PER_SLOT * PAGE_SIZE; + session_fchan->maxresp_cached = NFSD_MAX_RESPONSE_CACHED; fchan->maxresp_cached = session_fchan->maxresp_cached; /* Use the client's maxops if possible */ -- 1.5.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
