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virtio_blk: Revert serial number support

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This reverts "Add serial number support for virtio_blk, V4a".

Turns out that virtio_pci, lguest and s/390 all have an 8 bit limit
on virtio config space, so noone could ever use this.

This is coming back later in a cleaner form.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: john cooper <john.cooper@redhat.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Rusty Russell
2009-10-22 16:39:28 -06:00
parent e95646c3ec
commit 3225beaba0
2 changed files with 3 additions and 38 deletions
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4
include/linux/virtio_blk.h
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@@ -14,11 +14,8 @@
#define VIRTIO_BLK_F_RO 5 /* Disk is read-only */
#define VIRTIO_BLK_F_BLK_SIZE 6 /* Block size of disk is available*/
#define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru */
#define VIRTIO_BLK_F_IDENTIFY 8 /* ATA IDENTIFY supported */
#define VIRTIO_BLK_F_FLUSH 9 /* Cache flush command support */
#define VIRTIO_BLK_ID_BYTES (sizeof(__u16[256])) /* IDENTIFY DATA */
struct virtio_blk_config {
/* The capacity (in 512-byte sectors). */
__u64 capacity;
@@ -34,7 +31,6 @@ struct virtio_blk_config {
} geometry;
/* block size of device (if VIRTIO_BLK_F_BLK_SIZE) */
__u32 blk_size;
__u8 identify[VIRTIO_BLK_ID_BYTES];
} __attribute__((packed));
/*