nfsd4: use more generous NFS4_ACL_MAX

struct svc_fh;

struct svc_rqst;

/* Maximum ACL we'll accept from client; chosen (somewhat arbitrarily) to

 * fit in a page: */

#define NFS4_ACL_MAX 170

/*

 * Maximum ACL we'll accept from a client; chosen (somewhat

 * arbitrarily) so that kmalloc'ing the ACL shouldn't require a

 * high-order allocation.  This allows 204 ACEs on x86_64:

 */

#define NFS4_ACL_MAX ((PAGE_SIZE - sizeof(struct nfs4_acl)) \

			/ sizeof(struct nfs4_ace))

struct nfs4_acl *nfs4_acl_new(int);

int nfs4_acl_get_whotype(char *, u32);