From db97ee6a976bacbb0d18818e951cfc41b39269a7 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 24 Jan 2011 13:32:41 +0100 Subject: block: tell drivers about an image resize Extend the change_cb callback with a reason argument, and use it to tell drivers about size changes. Signed-off-by: Christoph Hellwig Signed-off-by: Kevin Wolf --- block_int.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'block_int.h') diff --git a/block_int.h b/block_int.h index 12663e817d..6ebdc3eea2 100644 --- a/block_int.h +++ b/block_int.h @@ -153,7 +153,7 @@ struct BlockDriverState { int valid_key; /* if true, a valid encryption key has been set */ int sg; /* if true, the device is a /dev/sg* */ /* event callback when inserting/removing */ - void (*change_cb)(void *opaque); + void (*change_cb)(void *opaque, int reason); void *change_opaque; BlockDriver *drv; /* NULL means no media */ @@ -203,6 +203,9 @@ struct BlockDriverState { void *private; }; +#define CHANGE_MEDIA 0x01 +#define CHANGE_SIZE 0x02 + struct BlockDriverAIOCB { AIOPool *pool; BlockDriverState *bs; -- cgit v1.2.1