X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Frelay.h;h=953fc055e87567fc4034af88020c114885b78b3c;hb=530bc23bfeaa9156003afbeb9708fd03a5f1c73c;hp=24accb483849c86415406a33ff685bc927900441;hpb=62c4f0a2d5a188f73a94f2cb8ea0dba3e7cf0a7f;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/relay.h b/include/linux/relay.h
index 24accb4..953fc05 100644
--- a/include/linux/relay.h
+++ b/include/linux/relay.h
@@ -12,6 +12,7 @@
 
 #include <linux/types.h>
 #include <linux/sched.h>
+#include <linux/timer.h>
 #include <linux/wait.h>
 #include <linux/list.h>
 #include <linux/fs.h>
@@ -24,7 +25,7 @@
 /*
  * Tracks changes to rchan/rchan_buf structs
  */
-#define RELAYFS_CHANNEL_VERSION		6
+#define RELAYFS_CHANNEL_VERSION		7
 
 /*
  * Per-cpu relay channel buffer
@@ -38,7 +39,7 @@ struct rchan_buf
 	size_t subbufs_consumed;	/* count of sub-buffers consumed */
 	struct rchan *chan;		/* associated channel */
 	wait_queue_head_t read_wait;	/* reader wait queue */
-	struct work_struct wake_readers; /* reader wake-up work struct */
+	struct timer_list timer; 	/* reader wake-up timer */
 	struct dentry *dentry;		/* channel file dentry */
 	struct kref kref;		/* channel buffer refcount */
 	struct page **page_array;	/* array of current buffer pages */
@@ -47,6 +48,7 @@ struct rchan_buf
 	size_t *padding;		/* padding counts per sub-buffer */
 	size_t prev_padding;		/* temporary variable */
 	size_t bytes_consumed;		/* bytes consumed in cur read subbuf */
+	size_t early_bytes;		/* bytes consumed before VFS inited */
 	unsigned int cpu;		/* this buf's cpu */
 } ____cacheline_aligned;
 
@@ -64,6 +66,11 @@ struct rchan
 	void *private_data;		/* for user-defined data */
 	size_t last_toobig;		/* tried to log event > subbuf size */
 	struct rchan_buf *buf[NR_CPUS]; /* per-cpu channel buffers */
+	int is_global;			/* One global buffer ? */
+	struct list_head list;		/* for channel list */
+	struct dentry *parent;		/* parent dentry passed to open */
+	int has_base_filename;		/* has a filename associated? */
+	char base_filename[NAME_MAX];	/* saved base filename */
 };
 
 /*
@@ -162,7 +169,11 @@ struct rchan *relay_open(const char *base_filename,
 			 struct dentry *parent,
 			 size_t subbuf_size,
 			 size_t n_subbufs,
-			 struct rchan_callbacks *cb);
+			 struct rchan_callbacks *cb,
+			 void *private_data);
+extern int relay_late_setup_files(struct rchan *chan,
+				  const char *base_filename,
+				  struct dentry *parent);
 extern void relay_close(struct rchan *chan);
 extern void relay_flush(struct rchan *chan);
 extern void relay_subbufs_consumed(struct rchan *chan,
@@ -274,7 +285,7 @@ static inline void subbuf_start_reserve(struct rchan_buf *buf,
 /*
  * exported relay file operations, kernel/relay.c
  */
-extern struct file_operations relay_file_operations;
+extern const struct file_operations relay_file_operations;
 
 #endif /* _LINUX_RELAY_H */