nfsd4: allow larger 4.1 session drc slots

The client is actually asking for 2532 bytes.  I suspect that's a
mistake.  But maybe we can allow some more.  In theory lock needs more
if it might return a maximum-length lockowner in the denied case.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index fda9ce2..374c662 100644 (file)
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -122,7 +122,7 @@ static inline struct nfs4_delegation *delegstateid(struct nfs4_stid *s)
 /* Maximum number of operations per session compound */
 #define NFSD_MAX_OPS_PER_COMPOUND      16
 /* Maximum  session per slot cache size */
-#define NFSD_SLOT_CACHE_SIZE           1024
+#define NFSD_SLOT_CACHE_SIZE           2048
 /* Maximum number of NFSD_SLOT_CACHE_SIZE slots per session */
 #define NFSD_CACHE_SIZE_SLOTS_PER_SESSION      32
 #define NFSD_MAX_MEM_PER_SESSION  \