diff options
| author | James Simmons <jsimmons@infradead.org> | 2012-11-14 18:15:32 +0000 |
|---|---|---|
| committer | James Simmons <jsimmons@infradead.org> | 2012-11-14 18:15:32 +0000 |
| commit | b44959f2817032bc4668434bbe1cf9ab28b8cb21 (patch) | |
| tree | de3bd861b36c836ac9b7b6e8dc179ca1985b6593 /include/linux/virtio_blk.h | |
| parent | e22956a2faa9cf34cec4a471131d50c6be75b0c2 (diff) | |
| parent | 2216c9e74fb3baac3cb73952158dbe38b703997e (diff) | |
Conflicts:
drivers/gpu/drm/tdfx/tdfx_drv.c
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 e0edb40ca7a..6d8e61c4856 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)); /* |