xen/blkback: add accessor for xenbus backend device

Since backend_info is hidden away now.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
This commit is contained in:
Jeremy Fitzhardinge 2010-03-18 15:35:05 -07:00 committed by Konrad Rzeszutek Wilk
parent 2ccbfe26c1
commit 98e036a356
3 changed files with 8 additions and 1 deletions

View File

@ -136,4 +136,6 @@ int blkif_schedule(void *arg);
int blkback_barrier(struct xenbus_transaction xbt, int blkback_barrier(struct xenbus_transaction xbt,
struct backend_info *be, int state); struct backend_info *be, int state);
struct xenbus_device *blkback_xenbus(struct backend_info *be);
#endif /* __BLKIF__BACKEND__COMMON_H__ */ #endif /* __BLKIF__BACKEND__COMMON_H__ */

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@ -123,7 +123,7 @@ void vbd_resize(blkif_t *blkif)
struct vbd *vbd = &blkif->vbd; struct vbd *vbd = &blkif->vbd;
struct xenbus_transaction xbt; struct xenbus_transaction xbt;
int err; int err;
struct xenbus_device *dev = blkif->be->dev; struct xenbus_device *dev = blkback_xenbus(blkif->be);
unsigned long long new_size = vbd_size(vbd); unsigned long long new_size = vbd_size(vbd);
printk(KERN_INFO "VBD Resize: new size %Lu\n", new_size); printk(KERN_INFO "VBD Resize: new size %Lu\n", new_size);

View File

@ -42,6 +42,11 @@ static int connect_ring(struct backend_info *);
static void backend_changed(struct xenbus_watch *, const char **, static void backend_changed(struct xenbus_watch *, const char **,
unsigned int); unsigned int);
struct xenbus_device *blkback_xenbus(struct backend_info *be)
{
return be->dev;
}
static int blkback_name(blkif_t *blkif, char *buf) static int blkback_name(blkif_t *blkif, char *buf)
{ {
char *devpath, *devname; char *devpath, *devname;