Merge http://gkernel.bkbits.net/net-drivers-2.5

into home.transmeta.com:/home/torvalds/v2.5/linux

8 files changed, 45 insertions, 35 deletions

diff --git a/include/linux/nbd.h b/include/linux/nbd.h
index e2c507ba6b08..d2e9309f1a76 100644
--- a/include/linux/nbd.h
+++ b/include/linux/nbd.h
@@ -59,7 +59,7 @@ nbd_end_request(struct request *req)
 		blk_finished_io(nsect);
 		req->bio = bio->bi_next;
 		bio->bi_next = NULL;
-		bio_endio(bio, uptodate);
+		bio_endio(bio, nsect << 9, uptodate ? 0 : -EIO);
 	}
 	blk_put_request(req);
 	spin_unlock_irqrestore(q->queue_lock, flags);
diff --git a/include/net/irda/af_irda.h b/include/net/irda/af_irda.h
index 947a4d653c4a..d4f10293701b 100644
--- a/include/net/irda/af_irda.h
+++ b/include/net/irda/af_irda.h
@@ -55,8 +55,8 @@ struct irda_sock {
 	__u16 mask;           /* Hint bits mask */
 	__u16 hints;          /* Hint bits */
 
-	__u32 ckey;           /* IrLMP client handle */
-	__u32 skey;           /* IrLMP service handle */
+	void *ckey;           /* IrLMP client handle */
+	void *skey;           /* IrLMP service handle */
 
 	struct ias_object *ias_obj;   /* Our service name + lsap in IAS */
 	struct iriap_cb *iriap;	      /* Used to query remote IAS */
diff --git a/include/net/irda/ircomm_tty.h b/include/net/irda/ircomm_tty.h
index a7cb72ad60ee..e5985f9ea68a 100644
--- a/include/net/irda/ircomm_tty.h
+++ b/include/net/irda/ircomm_tty.h
@@ -86,8 +86,8 @@ struct ircomm_tty_cb {
 
 	struct iriap_cb *iriap; /* Instance used for querying remote IAS */
 	struct ias_object* obj;
-	int skey;
-	int ckey;
+	void *skey;
+	void *ckey;
 
 	struct termios	  normal_termios;
 	struct termios	  callout_termios;
@@ -104,6 +104,14 @@ struct ircomm_tty_cb {
 	long pgrp;		/* pgrp of opening process */
 	int  open_count;
 	int  blocked_open;	/* # of blocked opens */
+
+	/* Protect concurent access to :
+	 *	o self->open_count
+	 *	o self->ctrl_skb
+	 *	o self->tx_skb
+	 * Maybe other things may gain to be protected as well...
+	 * Jean II */
+	spinlock_t spinlock;
 };
 
 void ircomm_tty_start(struct tty_struct *tty);
diff --git a/include/net/irda/irlmp.h b/include/net/irda/irlmp.h
index 8fcc154e42dd..e7a2fb3938fe 100644
--- a/include/net/irda/irlmp.h
+++ b/include/net/irda/irlmp.h
@@ -183,7 +183,6 @@ struct irlmp_cb {
 	hashbin_t *services;
 
 	hashbin_t *cachelog;	/* Current discovery log */
-	spinlock_t log_lock;	/* discovery log spinlock */
 
 	int running;
 
@@ -197,12 +196,12 @@ struct lsap_cb *irlmp_open_lsap(__u8 slsap, notify_t *notify, __u8 pid);
 void irlmp_close_lsap( struct lsap_cb *self);
 
 __u16 irlmp_service_to_hint(int service);
-__u32 irlmp_register_service(__u16 hints);
-int irlmp_unregister_service(__u32 handle);
-__u32 irlmp_register_client(__u16 hint_mask, DISCOVERY_CALLBACK1 disco_clb,
+void *irlmp_register_service(__u16 hints);
+int irlmp_unregister_service(void *handle);
+void *irlmp_register_client(__u16 hint_mask, DISCOVERY_CALLBACK1 disco_clb,
 			    DISCOVERY_CALLBACK1 expir_clb, void *priv);
-int irlmp_unregister_client(__u32 handle);
-int irlmp_update_client(__u32 handle, __u16 hint_mask, 
+int irlmp_unregister_client(void *handle);
+int irlmp_update_client(void *handle, __u16 hint_mask, 
 			DISCOVERY_CALLBACK1 disco_clb,
 			DISCOVERY_CALLBACK1 expir_clb, void *priv);
 
@@ -221,7 +220,7 @@ void irlmp_disconnect_indication(struct lsap_cb *self, LM_REASON reason,
 				 struct sk_buff *userdata);
 int  irlmp_disconnect_request(struct lsap_cb *, struct sk_buff *userdata);
 
-void irlmp_discovery_confirm(hashbin_t *discovery_log, DISCOVERY_MODE);
+void irlmp_discovery_confirm(hashbin_t *discovery_log, DISCOVERY_MODE mode);
 void irlmp_discovery_request(int nslots);
 struct irda_device_info *irlmp_get_discoveries(int *pn, __u16 mask, int nslots);
 void irlmp_do_expiry(void);
@@ -258,8 +257,6 @@ extern int sysctl_discovery;
 extern int sysctl_lap_keepalive_time;	/* in ms, default is LM_IDLE_TIMEOUT */
 extern struct irlmp_cb *irlmp;
 
-static inline hashbin_t *irlmp_get_cachelog(void) { return irlmp->cachelog; }
-
 /* Check if LAP queue is full.
  * Used by IrTTP for low control, see comments in irlap.h - Jean II */
 static inline int irlmp_lap_tx_queue_full(struct lsap_cb *self)
diff --git a/include/net/irda/irqueue.h b/include/net/irda/irqueue.h
index 6394397ac887..066b5377fc8f 100644
--- a/include/net/irda/irqueue.h
+++ b/include/net/irda/irqueue.h
@@ -36,12 +36,12 @@
 #define NAME_SIZE      32
 
 /*
- * Hash types
+ * Hash types (some flags can be xored)
+ * See comments in irqueue.c for which one to use...
  */
-#define HB_NOLOCK      0
-#define HB_GLOBAL      1
-#define HB_LOCAL       2
-#define HB_SORTED      4
+#define HB_NOLOCK	0	/* No concurent access prevention */
+#define HB_LOCK		1	/* Prevent concurent write with global lock */
+#define HB_SORTED	4	/* Not yet supported */
 
 /*
  * Hash defines
@@ -57,17 +57,12 @@
 
 typedef void (*FREE_FUNC)(void *arg);
 
-/*
- * Hashbin
- */
-#define GET_HASHBIN(x) ( x & HASHBIN_MASK )
-
 struct irda_queue {
 	struct irda_queue *q_next;
 	struct irda_queue *q_prev;
 
 	char   q_name[NAME_SIZE];
-	__u32  q_hash;
+	long   q_hash;			/* Must be able to cast a (void *) */
 };
 typedef struct irda_queue irda_queue_t;
 
@@ -75,8 +70,9 @@ typedef struct hashbin_t {
 	__u32      magic;
 	int        hb_type;
 	int        hb_size;
-	spinlock_t hb_mutex[HASHBIN_SIZE] IRDA_ALIGN;
-	irda_queue_t   *hb_queue[HASHBIN_SIZE] IRDA_ALIGN;
+	spinlock_t hb_spinlock;		/* HB_LOCK - Can be used by the user */
+
+	irda_queue_t* hb_queue[HASHBIN_SIZE] IRDA_ALIGN;
 
 	irda_queue_t* hb_current;
 } hashbin_t;
@@ -84,19 +80,18 @@ typedef struct hashbin_t {
 hashbin_t *hashbin_new(int type);
 int      hashbin_delete(hashbin_t* hashbin, FREE_FUNC func);
 int      hashbin_clear(hashbin_t* hashbin, FREE_FUNC free_func);
-void     hashbin_insert(hashbin_t* hashbin, irda_queue_t* entry, __u32 hashv, 
+void     hashbin_insert(hashbin_t* hashbin, irda_queue_t* entry, long hashv, 
 			char* name);
-void*    hashbin_find(hashbin_t* hashbin, __u32 hashv, char* name);
-void*    hashbin_remove(hashbin_t* hashbin, __u32 hashv, char* name);
+void*    hashbin_remove(hashbin_t* hashbin, long hashv, char* name);
 void*    hashbin_remove_first(hashbin_t *hashbin);
 void*	 hashbin_remove_this( hashbin_t* hashbin, irda_queue_t* entry);
+void*    hashbin_find(hashbin_t* hashbin, long hashv, char* name);
+void*    hashbin_lock_find(hashbin_t* hashbin, long hashv, char* name);
+void*    hashbin_find_next(hashbin_t* hashbin, long hashv, char* name,
+			   void ** pnext);
 irda_queue_t *hashbin_get_first(hashbin_t *hashbin);
 irda_queue_t *hashbin_get_next(hashbin_t *hashbin);
 
-void enqueue_last(irda_queue_t **queue, irda_queue_t* element);
-void enqueue_first(irda_queue_t **queue, irda_queue_t* element);
-irda_queue_t *dequeue_first(irda_queue_t **queue);
-
 #define HASHBIN_GET_SIZE(hashbin) hashbin->hb_size
 
 #endif
diff --git a/include/net/irda/irtty.h b/include/net/irda/irtty.h
index c6c54e1ad2c0..1fd6a1ec6cf2 100644
--- a/include/net/irda/irtty.h
+++ b/include/net/irda/irtty.h
@@ -62,6 +62,9 @@ struct irtty_cb {
 	struct qos_info qos;       /* QoS capabilities for this device */
 	dongle_t *dongle;          /* Dongle driver */
 
+
+	spinlock_t lock;           /* For serializing operations */
+
 	__u32 new_speed;
  	__u32 flags;               /* Interface flags */
 
diff --git a/include/net/irda/smc-ircc.h b/include/net/irda/smc-ircc.h
index f4af39082e86..456aa6026530 100644
--- a/include/net/irda/smc-ircc.h
+++ b/include/net/irda/smc-ircc.h
@@ -165,7 +165,9 @@ struct ircc_cb {
 
 	struct irport_cb *irport;
 
-	spinlock_t lock;           /* For serializing operations */
+	/* Locking : half of our operations are done with irport, so we
+	 * use the irport spinlock to make sure *everything* is properly
+	 * synchronised - Jean II */
 	
 	__u32 new_speed;
 	__u32 flags;               /* Interface flags */
diff --git a/include/net/irda/w83977af_ir.h b/include/net/irda/w83977af_ir.h
index 795f24fb96e9..2609588885c2 100644
--- a/include/net/irda/w83977af_ir.h
+++ b/include/net/irda/w83977af_ir.h
@@ -179,6 +179,11 @@ struct w83977af_ir {
 	chipio_t io;               /* IrDA controller information */
 	iobuff_t tx_buff;          /* Transmit buffer */
 	iobuff_t rx_buff;          /* Receive buffer */
+
+	/* Note : currently locking is *very* incomplete, but this
+	 * will get you started. Check in nsc-ircc.c for a proper
+	 * locking strategy. - Jean II */
+	spinlock_t lock;           /* For serializing operations */
 	
 	__u32 flags;               /* Interface flags */
 	__u32 new_speed;