--- zzzz-none-000/linux-3.10.107/include/linux/ceph/libceph.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/ceph/libceph.h	2021-02-04 17:41:59.000000000 +0000
@@ -29,8 +29,11 @@
 #define CEPH_OPT_NOSHARE          (1<<1) /* don't share client with other sbs */
 #define CEPH_OPT_MYIP             (1<<2) /* specified my ip */
 #define CEPH_OPT_NOCRC            (1<<3) /* no data crc on writes */
+#define CEPH_OPT_NOMSGAUTH	  (1<<4) /* don't require msg signing feat */
+#define CEPH_OPT_TCP_NODELAY	  (1<<5) /* TCP_NODELAY on TCP sockets */
+#define CEPH_OPT_NOMSGSIGN	  (1<<6) /* don't sign msgs */
 
-#define CEPH_OPT_DEFAULT   (0)
+#define CEPH_OPT_DEFAULT   (CEPH_OPT_TCP_NODELAY)
 
 #define ceph_set_opt(client, opt) \
 	(client)->options->flags |= CEPH_OPT_##opt;
@@ -41,9 +44,10 @@
 	int flags;
 	struct ceph_fsid fsid;
 	struct ceph_entity_addr my_addr;
-	int mount_timeout;
-	int osd_idle_ttl;
-	int osd_keepalive_timeout;
+	unsigned long mount_timeout;		/* jiffies */
+	unsigned long osd_idle_ttl;		/* jiffies */
+	unsigned long osd_keepalive_timeout;	/* jiffies */
+	unsigned long monc_ping_timeout;	/* jiffies */
 
 	/*
 	 * any type that can't be simply compared or doesn't need need
@@ -61,9 +65,10 @@
 /*
  * defaults
  */
-#define CEPH_MOUNT_TIMEOUT_DEFAULT  60
-#define CEPH_OSD_KEEPALIVE_DEFAULT  5
-#define CEPH_OSD_IDLE_TTL_DEFAULT    60
+#define CEPH_MOUNT_TIMEOUT_DEFAULT	msecs_to_jiffies(60 * 1000)
+#define CEPH_OSD_KEEPALIVE_DEFAULT	msecs_to_jiffies(5 * 1000)
+#define CEPH_OSD_IDLE_TTL_DEFAULT	msecs_to_jiffies(60 * 1000)
+#define CEPH_MONC_PING_TIMEOUT_DEFAULT	msecs_to_jiffies(30 * 1000)
 
 #define CEPH_MSG_MAX_FRONT_LEN	(16*1024*1024)
 #define CEPH_MSG_MAX_MIDDLE_LEN	(16*1024*1024)
@@ -91,13 +96,9 @@
 	CEPH_MOUNT_SHUTDOWN,
 };
 
-/*
- * subtract jiffies
- */
-static inline unsigned long time_sub(unsigned long a, unsigned long b)
+static inline unsigned long ceph_timeout_jiffies(unsigned long timeout)
 {
-	BUG_ON(time_after(b, a));
-	return (long)a - (long)b;
+	return timeout ?: MAX_SCHEDULE_TIMEOUT;
 }
 
 struct ceph_mds_client;
@@ -122,8 +123,8 @@
 
 	int (*extra_mon_dispatch)(struct ceph_client *, struct ceph_msg *);
 
-	u32 supported_features;
-	u32 required_features;
+	u64 supported_features;
+	u64 required_features;
 
 	struct ceph_messenger msgr;   /* messenger instance */
 	struct ceph_mon_client monc;
@@ -133,9 +134,11 @@
 	struct dentry *debugfs_dir;
 	struct dentry *debugfs_monmap;
 	struct dentry *debugfs_osdmap;
+	struct dentry *debugfs_options;
 #endif
 };
 
+#define from_msgr(ms)	container_of(ms, struct ceph_client, msgr)
 
 
 /*
@@ -173,27 +176,31 @@
 		(off >> PAGE_CACHE_SHIFT);
 }
 
+extern struct kmem_cache *ceph_inode_cachep;
+extern struct kmem_cache *ceph_cap_cachep;
+extern struct kmem_cache *ceph_cap_flush_cachep;
+extern struct kmem_cache *ceph_dentry_cachep;
+extern struct kmem_cache *ceph_file_cachep;
+
 /* ceph_common.c */
 extern bool libceph_compatible(void *data);
 
 extern const char *ceph_msg_type_name(int type);
 extern int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid);
-extern struct kmem_cache *ceph_inode_cachep;
-extern struct kmem_cache *ceph_cap_cachep;
-extern struct kmem_cache *ceph_dentry_cachep;
-extern struct kmem_cache *ceph_file_cachep;
+extern void *ceph_kvmalloc(size_t size, gfp_t flags);
 
 extern struct ceph_options *ceph_parse_options(char *options,
 			      const char *dev_name, const char *dev_name_end,
 			      int (*parse_extra_token)(char *c, void *private),
 			      void *private);
+int ceph_print_client_options(struct seq_file *m, struct ceph_client *client);
 extern void ceph_destroy_options(struct ceph_options *opt);
 extern int ceph_compare_options(struct ceph_options *new_opt,
 				struct ceph_client *client);
 extern struct ceph_client *ceph_create_client(struct ceph_options *opt,
 					      void *private,
-					      unsigned supported_features,
-					      unsigned required_features);
+					      u64 supported_features,
+					      u64 required_features);
 extern u64 ceph_client_id(struct ceph_client *client);
 extern void ceph_destroy_client(struct ceph_client *client);
 extern int __ceph_open_session(struct ceph_client *client,
@@ -208,7 +215,6 @@
 						 bool write_page);
 extern void ceph_put_page_vector(struct page **pages, int num_pages,
 				 bool dirty);
-extern void ceph_release_page_vector(struct page **pages, int num_pages);
 extern struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags);
 extern int ceph_copy_user_to_page_vector(struct page **pages,
 					 const void __user *data,
@@ -219,8 +225,6 @@
 extern void ceph_copy_from_page_vector(struct page **pages,
 				    void *data,
 				    loff_t off, size_t len);
-extern int ceph_copy_page_vector_to_user(struct page **pages, void __user *data,
-				    loff_t off, size_t len);
 extern void ceph_zero_page_vector_range(int off, int len, struct page **pages);