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| author | Michael S. Tsirkin <mst@redhat.com> | 2015-03-06 12:50:03 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2015-03-10 11:48:29 +1030 |
| commit | 0fa2a56437d0b7ef5d86eef2778ad3469ca72d5a (patch) | |
| tree | bb17079e2d158840c80dd7f53adb03385ecfd414 | |
| parent | 7e41a9def062167b5405711a42c9ecfd163e31a9 (diff) | |
virtio_blk: fix comment for virtio 1.0
Fix up comment to match virtio 1.0 logic:
virtio_blk_outhdr isn't the first elements anymore,
the only requirement is that it comes first in
the s/g list.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| -rw-r--r-- | include/uapi/linux/virtio_blk.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/uapi/linux/virtio_blk.h b/include/uapi/linux/virtio_blk.h index b695ba959186..19c66fcbab8a 100644 --- a/include/uapi/linux/virtio_blk.h +++ b/include/uapi/linux/virtio_blk.h @@ -119,7 +119,11 @@ struct virtio_blk_config { #define VIRTIO_BLK_T_BARRIER 0x80000000 #endif /* !VIRTIO_BLK_NO_LEGACY */ -/* This is the first element of the read scatter-gather list. */ +/* + * This comes first in the read scatter-gather list. + * For legacy virtio, if VIRTIO_F_ANY_LAYOUT is not negotiated, + * this is the first element of the read scatter-gather list. + */ struct virtio_blk_outhdr { /* VIRTIO_BLK_T* */ __virtio32 type; |