[PATCH -v3 1/3] xen-blkback: add remove_requested to xen_blkif and some declares

Joe Jin
2011-08-04T07:24:14Z

Add remove_requested to xen_blkif and some declares.

Signed-off-by: Joe Jin <joe.jin@oracle.com>
Cc: Daniel Stodden <daniel.stodden@citrix.com>
Cc: Jens Axboe <jaxboe@fusionio.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Annie Li <annie.li@oracle.com>
Cc: Ian Campbell <Ian.Campbell@eu.citrix.com>
---
drivers/block/xen-blkback/common.h | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h
index 9e40b28..acda757 100644
--- a/drivers/block/xen-blkback/common.h
+++ b/drivers/block/xen-blkback/common.h
@@ -49,6 +49,7 @@
pr_debug(DRV_PFX "(%s:%d) " fmt ".\n", \
__func__, __LINE__, ##args)

+#define WPRINTK(fmt, args...) printk(KERN_WARNING "xen-blkback: " fmt, ##args)

/* Not a real protocol. Used to generate ring structs which contain
* the elements common to all protocols only. This way we get a
@@ -145,6 +146,7 @@ struct xen_blkif {
/* Back pointer to the backend_info. */
struct backend_info *be;
/* Private fields. */
+ bool remove_requested;
spinlock_t blk_ring_lock;
atomic_t refcnt;

@@ -198,6 +200,9 @@ int xen_blkbk_flush_diskcache(struct xenbus_transaction xbt,

struct xenbus_device *xen_blkbk_xenbus(struct backend_info *be);

+void xen_vbd_sync(struct xen_vbd *vbd);
+void xen_blkback_close(struct xen_blkif *blkif);
+
static inline void blkif_get_x86_32_req(struct blkif_request *dst,
struct blkif_x86_32_request *src)
{