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authorTrond Myklebust <trond.myklebust@primarydata.com>2015-04-23 15:16:37 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-04-23 15:16:37 -0400
commitf139b6c676c7e49b66016b28bf3f8ec5c54be891 (patch)
tree742f00e431dded1daf642b44f4c199b318f255dc /include/uapi/linux/virtio_blk.h
parent21330b667070fd64b2340d8d31c1b0800df78ec8 (diff)
parentd654788e98f74f2df8dfc6079fa314938f739486 (diff)
Merge tag 'nfs-rdma-for-4.1-1' of git://git.linux-nfs.org/projects/anna/nfs-rdma
NFS: NFSoRDMA Client Changes This patch series creates an operation vector for each of the different memory registration modes. This should make it easier to one day increase credit limit, rsize, and wsize. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'include/uapi/linux/virtio_blk.h')
-rw-r--r--include/uapi/linux/virtio_blk.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/uapi/linux/virtio_blk.h b/include/uapi/linux/virtio_blk.h
index 3c53eec4ae22..19c66fcbab8a 100644
--- a/include/uapi/linux/virtio_blk.h
+++ b/include/uapi/linux/virtio_blk.h
@@ -60,7 +60,7 @@ struct virtio_blk_config {
60 __u32 size_max; 60 __u32 size_max;
61 /* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */ 61 /* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */
62 __u32 seg_max; 62 __u32 seg_max;
63 /* geometry the device (if VIRTIO_BLK_F_GEOMETRY) */ 63 /* geometry of the device (if VIRTIO_BLK_F_GEOMETRY) */
64 struct virtio_blk_geometry { 64 struct virtio_blk_geometry {
65 __u16 cylinders; 65 __u16 cylinders;
66 __u8 heads; 66 __u8 heads;
@@ -119,7 +119,11 @@ struct virtio_blk_config {
119#define VIRTIO_BLK_T_BARRIER 0x80000000 119#define VIRTIO_BLK_T_BARRIER 0x80000000
120#endif /* !VIRTIO_BLK_NO_LEGACY */ 120#endif /* !VIRTIO_BLK_NO_LEGACY */
121 121
122/* This is the first element of the read scatter-gather list. */ 122/*
123 * This comes first in the read scatter-gather list.
124 * For legacy virtio, if VIRTIO_F_ANY_LAYOUT is not negotiated,
125 * this is the first element of the read scatter-gather list.
126 */
123struct virtio_blk_outhdr { 127struct virtio_blk_outhdr {
124 /* VIRTIO_BLK_T* */ 128 /* VIRTIO_BLK_T* */
125 __virtio32 type; 129 __virtio32 type;