diff options
| author | John W. Linville <linville@tuxdriver.com> | 2012-09-07 15:07:55 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-09-07 15:07:55 -0400 |
| commit | fac805f8c198092de9a2842efd7f5022e2937b18 (patch) | |
| tree | 7557809c373f97a343c427d8fded0696060394ce /include/linux/virtio_blk.h | |
| parent | 2461c7d60f9f3821274e4acf9019cba8b82c94b5 (diff) | |
| parent | f10723841e624c0726c70356b31d91befed01dd6 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Diffstat (limited to 'include/linux/virtio_blk.h')
| -rw-r--r-- | include/linux/virtio_blk.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h index e0edb40ca7aa..6d8e61c48563 100644 --- a/include/linux/virtio_blk.h +++ b/include/linux/virtio_blk.h @@ -37,8 +37,14 @@ #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_FLUSH 9 /* Cache flush command support */ +#define VIRTIO_BLK_F_WCE 9 /* Writeback mode enabled after reset */ #define VIRTIO_BLK_F_TOPOLOGY 10 /* Topology information is available */ +#define VIRTIO_BLK_F_CONFIG_WCE 11 /* Writeback mode available in config */ + +#ifndef __KERNEL__ +/* Old (deprecated) name for VIRTIO_BLK_F_WCE. */ +#define VIRTIO_BLK_F_FLUSH VIRTIO_BLK_F_WCE +#endif #define VIRTIO_BLK_ID_BYTES 20 /* ID string length */ @@ -69,6 +75,8 @@ struct virtio_blk_config { /* optimal sustained I/O size in logical blocks. */ __u32 opt_io_size; + /* writeback mode (if VIRTIO_BLK_F_CONFIG_WCE) */ + __u8 wce; } __attribute__((packed)); /* |