mirror_zfs/include/sys/zio_checksum.h
Paul Dagnelie fcff0f35bd Illumos 5960, 5925
5960 zfs recv should prefetch indirect blocks
5925 zfs receive -o origin=
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>

References:
  https://www.illumos.org/issues/5960
  https://www.illumos.org/issues/5925
  https://github.com/illumos/illumos-gate/commit/a2cdcdd

Porting notes:
- [lib/libzfs/libzfs_sendrecv.c]
  - b8864a2 Fix gcc cast warnings
  - 325f023 Add linux kernel device support
  - 5c3f61e Increase Linux pipe buffer size on 'zfs receive'
- [module/zfs/zfs_vnops.c]
  - 3558fd7 Prototype/structure update for Linux
  - c12e3a5 Restructure zfs_readdir() to fix regressions
- [module/zfs/zvol.c]
  - Function @zvol_map_block() isn't needed in ZoL
  - 9965059 Prefetch start and end of volumes
- [module/zfs/dmu.c]
  - Fixed ISO C90 - mixed declarations and code
  - Function dmu_prefetch() 'int i' is initialized before
    the following code block (c90 vs. c99)
- [module/zfs/dbuf.c]
  - fc5bb51 Fix stack dbuf_hold_impl()
  - 9b67f60 Illumos 4757, 4913
  - 34229a2 Reduce stack usage for recursive traverse_visitbp()
- [module/zfs/dmu_send.c]
  - Fixed ISO C90 - mixed declarations and code
  - b58986e Use large stacks when available
  - 241b541 Illumos 5959 - clean up per-dataset feature count code
  - 77aef6f Use vmem_alloc() for nvlists
  - 00b4602 Add linux kernel memory support

Ported-by: kernelOfTruth kerneloftruth@gmail.com
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
2016-01-08 15:08:19 -08:00

77 lines
2.2 KiB
C

/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2014 by Delphix. All rights reserved.
*/
#ifndef _SYS_ZIO_CHECKSUM_H
#define _SYS_ZIO_CHECKSUM_H
#include <sys/zio.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Signature for checksum functions.
*/
typedef void zio_checksum_func_t(const void *, uint64_t, zio_cksum_t *);
/*
* Information about each checksum function.
*/
typedef const struct zio_checksum_info {
zio_checksum_func_t *ci_func[2]; /* checksum function per byteorder */
int ci_correctable; /* number of correctable bits */
int ci_eck; /* uses zio embedded checksum? */
boolean_t ci_dedup; /* strong enough for dedup? */
char *ci_name; /* descriptive name */
} zio_checksum_info_t;
typedef struct zio_bad_cksum {
zio_cksum_t zbc_expected;
zio_cksum_t zbc_actual;
const char *zbc_checksum_name;
uint8_t zbc_byteswapped;
uint8_t zbc_injected;
uint8_t zbc_has_cksum; /* expected/actual valid */
} zio_bad_cksum_t;
extern zio_checksum_info_t zio_checksum_table[ZIO_CHECKSUM_FUNCTIONS];
/*
* Checksum routines.
*/
extern zio_checksum_func_t zio_checksum_SHA256;
extern void zio_checksum_compute(zio_t *zio, enum zio_checksum checksum,
void *data, uint64_t size);
extern int zio_checksum_error(zio_t *zio, zio_bad_cksum_t *out);
extern enum zio_checksum spa_dedup_checksum(spa_t *spa);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_ZIO_CHECKSUM_H */