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OpenZFS 7431 - ZFS Channel Programs

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Authored by: Chris Williamson <chris.williamson@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>
Ported-by: Don Brady <don.brady@delphix.com>
Ported-by: John Kennedy <john.kennedy@delphix.com>

OpenZFS-issue: https://www.illumos.org/issues/7431
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/dfc11533

Porting Notes:
* The CLI long option arguments for '-t' and '-m' don't parse on linux
* Switched from kmem_alloc to vmem_alloc in zcp_lua_alloc
* Lua implementation is built as its own module (zlua.ko)
* Lua headers consumed directly by zfs code moved to 'include/sys/lua/'
* There is no native setjmp/longjump available in stock Linux kernel.
  Brought over implementations from illumos and FreeBSD
* The get_temporary_prop() was adapted due to VFS platform differences
* Use of inline functions in lua parser to reduce stack usage per C call
* Skip some ZFS Test Suite ZCP tests on sparc64 to avoid stack overflow
This commit is contained in:
Chris Williamson
2018-02-08 09:16:23 -07:00
committed by Brian Behlendorf
parent 8824a7f133
commit d99a015343
179 changed files with 27056 additions and 273 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/sys/fs/zfs.h
+27 -1
View File
@@ -21,7 +21,7 @@
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2011, 2014 by Delphix. All rights reserved.
* Copyright (c) 2011, 2016 by Delphix. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2013, 2017 Joyent, Inc. All rights reserved.
* Copyright (c) 2014 Integros [integros.com]
@@ -280,12 +280,18 @@ typedef int (*zprop_func)(int, void *);
*/
#define ZPOOL_ROOTFS_PROPS "root-props-nvl"
/*
* Length of 'written@' and 'written#'
*/
#define ZFS_WRITTEN_PROP_PREFIX_LEN 8
/*
* Dataset property functions shared between libzfs and kernel.
*/
const char *zfs_prop_default_string(zfs_prop_t);
uint64_t zfs_prop_default_numeric(zfs_prop_t);
boolean_t zfs_prop_readonly(zfs_prop_t);
boolean_t zfs_prop_visible(zfs_prop_t prop);
boolean_t zfs_prop_inheritable(zfs_prop_t);
boolean_t zfs_prop_setonce(zfs_prop_t);
boolean_t zfs_prop_encryption_key_param(zfs_prop_t);
@@ -1095,6 +1101,7 @@ typedef enum zfs_ioc {
ZFS_IOC_BOOKMARK,
ZFS_IOC_GET_BOOKMARKS,
ZFS_IOC_DESTROY_BOOKMARKS,
ZFS_IOC_CHANNEL_PROGRAM,
ZFS_IOC_RECV_NEW,
ZFS_IOC_POOL_SYNC,
ZFS_IOC_LOAD_KEY,
@@ -1163,6 +1170,7 @@ typedef enum {
#define ZPOOL_HIST_OUTPUT_NVL "out_nvl"
#define ZPOOL_HIST_DSNAME "dsname"
#define ZPOOL_HIST_DSID "dsid"
#define ZPOOL_HIST_ERRNO "errno"
/*
* Special nvlist name that will not have its args recorded in the pool's
@@ -1191,6 +1199,24 @@ typedef enum {
#define ZFS_IMPORT_SKIP_MMP 0x20
#define ZFS_IMPORT_LOAD_KEYS 0x40
/*
* Channel program argument/return nvlist keys and defaults.
*/
#define ZCP_ARG_PROGRAM "program"
#define ZCP_ARG_ARGLIST "arg"
#define ZCP_ARG_INSTRLIMIT "instrlimit"
#define ZCP_ARG_MEMLIMIT "memlimit"
#define ZCP_ARG_CLIARGV "argv"
#define ZCP_RET_ERROR "error"
#define ZCP_RET_RETURN "return"
#define ZCP_DEFAULT_INSTRLIMIT (10 * 1000 * 1000)
#define ZCP_MAX_INSTRLIMIT (10 * ZCP_DEFAULT_INSTRLIMIT)
#define ZCP_DEFAULT_MEMLIMIT (10 * 1024 * 1024)
#define ZCP_MAX_MEMLIMIT (10 * ZCP_DEFAULT_MEMLIMIT)
/*
* Sysevent payload members. ZFS will generate the following sysevents with the
* given payloads: