diff options
Diffstat (limited to 'drivers/block/xen-blkfront.c')
| -rw-r--r-- | drivers/block/xen-blkfront.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index c4a4c9006288..efe1b4761735 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -162,7 +162,7 @@ static DEFINE_SPINLOCK(minor_lock); #define DEV_NAME "xvd" /* name in /dev */ #define SEGS_PER_INDIRECT_FRAME \ - (PAGE_SIZE/sizeof(struct blkif_request_segment_aligned)) + (PAGE_SIZE/sizeof(struct blkif_request_segment)) #define INDIRECT_GREFS(_segs) \ ((_segs + SEGS_PER_INDIRECT_FRAME - 1)/SEGS_PER_INDIRECT_FRAME) @@ -393,7 +393,7 @@ static int blkif_queue_request(struct request *req) unsigned long id; unsigned int fsect, lsect; int i, ref, n; - struct blkif_request_segment_aligned *segments = NULL; + struct blkif_request_segment *segments = NULL; /* * Used to store if we are able to queue the request by just using @@ -550,7 +550,7 @@ static int blkif_queue_request(struct request *req) } else { n = i % SEGS_PER_INDIRECT_FRAME; segments[n] = - (struct blkif_request_segment_aligned) { + (struct blkif_request_segment) { .gref = ref, .first_sect = fsect, .last_sect = lsect }; @@ -1356,7 +1356,7 @@ static int blkfront_probe(struct xenbus_device *dev, char *type; int len; /* no unplug has been done: do not hook devices != xen vbds */ - if (xen_platform_pci_unplug & XEN_UNPLUG_UNNECESSARY) { + if (xen_has_pv_and_legacy_disk_devices()) { int major; if (!VDEV_IS_EXTENDED(vdevice)) @@ -1547,7 +1547,7 @@ static int blkif_recover(struct blkfront_info *info) for (i = 0; i < pending; i++) { offset = (i * segs * PAGE_SIZE) >> 9; size = min((unsigned int)(segs * PAGE_SIZE) >> 9, - (unsigned int)(bio->bi_size >> 9) - offset); + (unsigned int)bio_sectors(bio) - offset); cloned_bio = bio_clone(bio, GFP_NOIO); BUG_ON(cloned_bio == NULL); bio_trim(cloned_bio, offset, size); @@ -1904,13 +1904,16 @@ static void blkback_changed(struct xenbus_device *dev, case XenbusStateReconfiguring: case XenbusStateReconfigured: case XenbusStateUnknown: - case XenbusStateClosed: break; case XenbusStateConnected: blkfront_connect(info); break; + case XenbusStateClosed: + if (dev->state == XenbusStateClosed) + break; + /* Missed the backend's Closing state -- fallthrough */ case XenbusStateClosing: blkfront_closing(info); break; @@ -2079,7 +2082,7 @@ static int __init xlblk_init(void) if (!xen_domain()) return -ENODEV; - if (xen_hvm_domain() && !xen_platform_pci_unplug) + if (!xen_has_pv_disk_devices()) return -ENODEV; if (register_blkdev(XENVBD_MAJOR, DEV_NAME)) { |