Merge branch 'master' of ssh://rsync.linux-nfs.org/home/trondmy/www_sites/rsync.linux-nfs.org/pub/linux/nfs-2.6

8 files changed, 94 insertions, 31 deletions

diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 82bd8842d11c..3b03b0b868dd 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -43,7 +43,7 @@ typedef struct bootmem_data {
 extern unsigned long __init bootmem_bootmap_pages (unsigned long);
 extern unsigned long __init init_bootmem (unsigned long addr, unsigned long memend);
 extern void __init free_bootmem (unsigned long addr, unsigned long size);
-extern void * __init __alloc_bootmem (unsigned long size, unsigned long align, unsigned long goal);
+extern void * __init __alloc_bootmem_limit (unsigned long size, unsigned long align, unsigned long goal, unsigned long limit);
 #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
 extern void __init reserve_bootmem (unsigned long addr, unsigned long size);
 #define alloc_bootmem(x) \
@@ -54,6 +54,16 @@ extern void __init reserve_bootmem (unsigned long addr, unsigned long size);
 	__alloc_bootmem((x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_low_pages(x) \
 	__alloc_bootmem((x), PAGE_SIZE, 0)
+
+#define alloc_bootmem_limit(x, limit)						\
+	__alloc_bootmem_limit((x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS), (limit))
+#define alloc_bootmem_low_limit(x, limit)			\
+	__alloc_bootmem_limit((x), SMP_CACHE_BYTES, 0, (limit))
+#define alloc_bootmem_pages_limit(x, limit)					\
+	__alloc_bootmem_limit((x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS), (limit))
+#define alloc_bootmem_low_pages_limit(x, limit)		\
+	__alloc_bootmem_limit((x), PAGE_SIZE, 0, (limit))
+
 #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */
 extern unsigned long __init free_all_bootmem (void);
 
@@ -61,7 +71,7 @@ extern unsigned long __init init_bootmem_node (pg_data_t *pgdat, unsigned long f
 extern void __init reserve_bootmem_node (pg_data_t *pgdat, unsigned long physaddr, unsigned long size);
 extern void __init free_bootmem_node (pg_data_t *pgdat, unsigned long addr, unsigned long size);
 extern unsigned long __init free_all_bootmem_node (pg_data_t *pgdat);
-extern void * __init __alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal);
+extern void * __init __alloc_bootmem_node_limit (pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal, unsigned long limit);
 #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
 #define alloc_bootmem_node(pgdat, x) \
 	__alloc_bootmem_node((pgdat), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
@@ -69,6 +79,14 @@ extern void * __init __alloc_bootmem_node (pg_data_t *pgdat, unsigned long size,
 	__alloc_bootmem_node((pgdat), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_low_pages_node(pgdat, x) \
 	__alloc_bootmem_node((pgdat), (x), PAGE_SIZE, 0)
+
+#define alloc_bootmem_node_limit(pgdat, x, limit)				\
+	__alloc_bootmem_node_limit((pgdat), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS), (limit))
+#define alloc_bootmem_pages_node_limit(pgdat, x, limit)				\
+	__alloc_bootmem_node_limit((pgdat), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS), (limit))
+#define alloc_bootmem_low_pages_node_limit(pgdat, x, limit)		\
+	__alloc_bootmem_node_limit((pgdat), (x), PAGE_SIZE, 0, (limit))
+
 #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */
 
 #ifdef CONFIG_HAVE_ARCH_ALLOC_REMAP
@@ -105,5 +123,15 @@ extern void *__init alloc_large_system_hash(const char *tablename,
 #endif
 extern int __initdata hashdist;		/* Distribute hashes across NUMA nodes? */
 
+static inline void *__alloc_bootmem (unsigned long size, unsigned long align, unsigned long goal)
+{
+	return __alloc_bootmem_limit(size, align, goal, 0);
+}
+
+static inline void *__alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, unsigned long align,
+				     unsigned long goal)
+{
+	return __alloc_bootmem_node_limit(pgdat, size, align, goal, 0);
+}
 
 #endif /* _LINUX_BOOTMEM_H */
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index e670b0d13fe0..42cb7d70f9ac 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -155,11 +155,24 @@ static inline void set_file_hugepages(struct file *file)
 {
 	file->f_op = &hugetlbfs_file_operations;
 }
+
+static inline int valid_hugetlb_file_off(struct vm_area_struct *vma, 
+					  unsigned long address) 
+{
+	struct inode *inode = vma->vm_file->f_dentry->d_inode;
+	loff_t file_off = address - vma->vm_start;
+	
+	file_off += (vma->vm_pgoff << PAGE_SHIFT);
+	
+	return (file_off < inode->i_size);
+}
+
 #else /* !CONFIG_HUGETLBFS */
 
 #define is_file_hugepages(file)		0
 #define set_file_hugepages(file)	BUG()
 #define hugetlb_zero_setup(size)	ERR_PTR(-ENOSYS)
+#define valid_hugetlb_file_off(vma, address) 	0
 
 #endif /* !CONFIG_HUGETLBFS */
 
diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h
index 04ebc24db348..b68c11a2d6dd 100644
--- a/include/linux/sunrpc/auth.h
+++ b/include/linux/sunrpc/auth.h
@@ -66,7 +66,12 @@ struct rpc_cred_cache {
 
 struct rpc_auth {
 	unsigned int		au_cslack;	/* call cred size estimate */
-	unsigned int		au_rslack;	/* reply verf size guess */
+				/* guess at number of u32's auth adds before
+				 * reply data; normally the verifier size: */
+	unsigned int		au_rslack;
+				/* for gss, used to calculate au_rslack: */
+	unsigned int		au_verfsize;
+
 	unsigned int		au_flags;	/* various flags */
 	struct rpc_authops *	au_ops;		/* operations */
 	rpc_authflavor_t	au_flavor;	/* pseudoflavor (note may
diff --git a/include/linux/sunrpc/gss_api.h b/include/linux/sunrpc/gss_api.h
index 689262f63059..9b8bcf125c18 100644
--- a/include/linux/sunrpc/gss_api.h
+++ b/include/linux/sunrpc/gss_api.h
@@ -40,14 +40,21 @@ int gss_import_sec_context(
 		struct gss_ctx		**ctx_id);
 u32 gss_get_mic(
 		struct gss_ctx		*ctx_id,
-		u32			qop,
 		struct xdr_buf		*message,
 		struct xdr_netobj	*mic_token);
 u32 gss_verify_mic(
 		struct gss_ctx		*ctx_id,
 		struct xdr_buf		*message,
-		struct xdr_netobj	*mic_token,
-		u32			*qstate);
+		struct xdr_netobj	*mic_token);
+u32 gss_wrap(
+		struct gss_ctx		*ctx_id,
+		int			offset,
+		struct xdr_buf		*outbuf,
+		struct page		**inpages);
+u32 gss_unwrap(
+		struct gss_ctx		*ctx_id,
+		int			offset,
+		struct xdr_buf		*inbuf);
 u32 gss_delete_sec_context(
 		struct gss_ctx		**ctx_id);
 
@@ -56,7 +63,6 @@ char *gss_service_to_auth_domain_name(struct gss_api_mech *, u32 service);
 
 struct pf_desc {
 	u32	pseudoflavor;
-	u32	qop;
 	u32	service;
 	char	*name;
 	char	*auth_domain_name;
@@ -85,14 +91,21 @@ struct gss_api_ops {
 			struct gss_ctx		*ctx_id);
 	u32 (*gss_get_mic)(
 			struct gss_ctx		*ctx_id,
-			u32			qop, 
 			struct xdr_buf		*message,
 			struct xdr_netobj	*mic_token);
 	u32 (*gss_verify_mic)(
 			struct gss_ctx		*ctx_id,
 			struct xdr_buf		*message,
-			struct xdr_netobj	*mic_token,
-			u32			*qstate);
+			struct xdr_netobj	*mic_token);
+	u32 (*gss_wrap)(
+			struct gss_ctx		*ctx_id,
+			int			offset,
+			struct xdr_buf		*outbuf,
+			struct page		**inpages);
+	u32 (*gss_unwrap)(
+			struct gss_ctx		*ctx_id,
+			int			offset,
+			struct xdr_buf		*buf);
 	void (*gss_delete_sec_context)(
 			void			*internal_ctx_id);
 };
diff --git a/include/linux/sunrpc/gss_err.h b/include/linux/sunrpc/gss_err.h
index 92608a2e574c..a6807867bd21 100644
--- a/include/linux/sunrpc/gss_err.h
+++ b/include/linux/sunrpc/gss_err.h
@@ -66,16 +66,6 @@ typedef unsigned int OM_uint32;
 
 
 /*
- * Define the default Quality of Protection for per-message services.  Note
- * that an implementation that offers multiple levels of QOP may either reserve
- * a value (for example zero, as assumed here) to mean "default protection", or
- * alternatively may simply equate GSS_C_QOP_DEFAULT to a specific explicit
- * QOP value.  However a value of 0 should always be interpreted by a GSSAPI
- * implementation as a request for the default protection level.
- */
-#define GSS_C_QOP_DEFAULT 0
-
-/*
  * Expiration time of 2^32-1 seconds means infinite lifetime for a
  * credential or security context
  */
diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h
index ffe31d2eb9ec..2c3601d31045 100644
--- a/include/linux/sunrpc/gss_krb5.h
+++ b/include/linux/sunrpc/gss_krb5.h
@@ -116,18 +116,22 @@ enum seal_alg {
 
 s32
 make_checksum(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body,
-		   struct xdr_netobj *cksum);
+		   int body_offset, struct xdr_netobj *cksum);
+
+u32 gss_get_mic_kerberos(struct gss_ctx *, struct xdr_buf *,
+		struct xdr_netobj *);
+
+u32 gss_verify_mic_kerberos(struct gss_ctx *, struct xdr_buf *,
+		struct xdr_netobj *);
 
 u32
-krb5_make_token(struct krb5_ctx *context_handle, int qop_req,
-	struct xdr_buf *input_message_buffer,
-	struct xdr_netobj *output_message_buffer, int toktype);
+gss_wrap_kerberos(struct gss_ctx *ctx_id, int offset,
+		struct xdr_buf *outbuf, struct page **pages);
 
 u32
-krb5_read_token(struct krb5_ctx *context_handle,
-	  struct xdr_netobj *input_token_buffer,
-	  struct xdr_buf *message_buffer,
-	  int *qop_state, int toktype);
+gss_unwrap_kerberos(struct gss_ctx *ctx_id, int offset,
+		struct xdr_buf *buf);
+
 
 u32
 krb5_encrypt(struct crypto_tfm * key,
@@ -137,6 +141,13 @@ u32
 krb5_decrypt(struct crypto_tfm * key,
 	     void *iv, void *in, void *out, int length); 
 
+int
+gss_encrypt_xdr_buf(struct crypto_tfm *tfm, struct xdr_buf *outbuf, int offset,
+		struct page **pages);
+
+int
+gss_decrypt_xdr_buf(struct crypto_tfm *tfm, struct xdr_buf *inbuf, int offset);
+
 s32
 krb5_make_seq_num(struct crypto_tfm * key,
 		int direction,
diff --git a/include/linux/sunrpc/gss_spkm3.h b/include/linux/sunrpc/gss_spkm3.h
index b5c9968c3c17..0beb2cf00a84 100644
--- a/include/linux/sunrpc/gss_spkm3.h
+++ b/include/linux/sunrpc/gss_spkm3.h
@@ -41,9 +41,9 @@ struct spkm3_ctx {
 #define SPKM_WRAP_TOK	5
 #define SPKM_DEL_TOK	6
 
-u32 spkm3_make_token(struct spkm3_ctx *ctx, int qop_req, struct xdr_buf * text, struct xdr_netobj * token, int toktype);
+u32 spkm3_make_token(struct spkm3_ctx *ctx, struct xdr_buf * text, struct xdr_netobj * token, int toktype);
 
-u32 spkm3_read_token(struct spkm3_ctx *ctx, struct xdr_netobj *read_token, struct xdr_buf *message_buffer, int *qop_state, int toktype);
+u32 spkm3_read_token(struct spkm3_ctx *ctx, struct xdr_netobj *read_token, struct xdr_buf *message_buffer, int toktype);
 
 #define CKSUMTYPE_RSA_MD5            0x0007
 
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 068e1fb0868b..3b8b6e823c70 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -73,7 +73,10 @@ struct rpc_rqst {
 	int			rq_cong;	/* has incremented xprt->cong */
 	int			rq_received;	/* receive completed */
 	u32			rq_seqno;	/* gss seq no. used on req. */
-
+	int			rq_enc_pages_num;
+	struct page		**rq_enc_pages;	/* scratch pages for use by
+						   gss privacy code */
+	void (*rq_release_snd_buf)(struct rpc_rqst *); /* release rq_enc_pages */
 	struct list_head	rq_list;
 
 	struct xdr_buf		rq_private_buf;		/* The receive buffer