[PATCH 2.6.12-mm1] relayfs: add private data to channel struct

[Tom Zanussi <zanussi@us.ibm.com>]

This patch adds a field for clients to use as they wish, as suggested
by Mathieu Desnoyers.

Thanks,

Tom

Signed-off-by: Tom Zanussi <zanussi@us.ibm.com>

diff -urpN -X dontdiff linux-2.6.12-mm1/include/linux/relayfs_fs.h linux-2.6.12-mm1-cur/include/linux/relayfs_fs.h
--- linux-2.6.12-mm1/include/linux/relayfs_fs.h	2005-06-22 11:16:23.000000000 -0500
+++ linux-2.6.12-mm1-cur/include/linux/relayfs_fs.h	2005-06-22 11:39:12.000000000 -0500
@@ -59,6 +59,7 @@ struct rchan
 	int overwrite;			/* overwrite buffer when full? */
 	struct rchan_callbacks *cb;	/* client callbacks */
 	struct kref kref;		/* channel refcount */
+	void *private_data;		/* for user-defined data */
 	struct rchan_buf *buf[NR_CPUS]; /* per-cpu channel buffers */
 };
 


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