nfsd4: translate memory errors to delay, not serverfault

If the server is out of memory is better for clients to back off and
retry than to just error out.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 5a69ee6..603076f 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -457,7 +457,7 @@ static int set_forechannel_drc_size(struct nfsd4_channel_attrs *fchan)
        spin_unlock(&nfsd_drc_lock);
 
        if (fchan->maxreqs == 0)
-               return nfserr_serverfault;
+               return nfserr_jukebox;
 
        fchan->maxresp_cached = size + NFSD_MIN_HDR_SEQ_SZ;
        return 0;
@@ -542,7 +542,7 @@ alloc_init_session(struct svc_rqst *rqstp, struct nfs4_client *clp,
        BUILD_BUG_ON(NFSD_MAX_SLOTS_PER_SESSION * sizeof(struct nfsd4_slot)
                     + sizeof(struct nfsd4_session) > PAGE_SIZE);
 
-       status = nfserr_serverfault;
+       status = nfserr_jukebox;
        /* allocate struct nfsd4_session and slot table pointers in one piece */
        slotsize = tmp.se_fchannel.maxreqs * sizeof(struct nfsd4_slot *);
        new = kzalloc(sizeof(*new) + slotsize, GFP_KERNEL);
@@ -1219,7 +1219,7 @@ out_new:
        /* Normal case */
        new = create_client(exid->clname, dname, rqstp, &verf);
        if (new == NULL) {
-               status = nfserr_serverfault;
+               status = nfserr_jukebox;
                goto out;
        }