diff options
Diffstat (limited to 'usr/src/uts/common/sys/blkdev.h')
| -rw-r--r-- | usr/src/uts/common/sys/blkdev.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/usr/src/uts/common/sys/blkdev.h b/usr/src/uts/common/sys/blkdev.h index 0ecfbb4827..2307610bae 100644 --- a/usr/src/uts/common/sys/blkdev.h +++ b/usr/src/uts/common/sys/blkdev.h @@ -19,6 +19,7 @@ * CDDL HEADER END */ /* + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. */ @@ -40,9 +41,7 @@ extern "C" { * but do not need all the capabilities of SCSA. So we make quite a few * simplifications: * - * 1) Device block size is fixed at 512 bytes. (Devices with larger - * block sizes can still operate, but will need to support some - * form of read-modify-write, and will take a performance penalty.) + * 1) Device block size is a multiple of 512 bytes. * * 2) Non-rotating media. We assume a simple linear layout. * @@ -89,6 +88,7 @@ struct bd_xfer { ddi_dma_cookie_t x_dmac; unsigned x_ndmac; caddr_t x_kaddr; + unsigned x_flags; }; #define BD_XFER_POLL (1U << 0) /* no interrupts (dump) */ @@ -130,7 +130,6 @@ struct bd_ops { int (*o_sync_cache)(void *, bd_xfer_t *); int (*o_read)(void *, bd_xfer_t *); int (*o_write)(void *, bd_xfer_t *); - int (*o_dump)(void *, bd_xfer_t *); }; #define BD_OPS_VERSION_0 0 |