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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/dsl_dataset.h
+42 -3
View File
@@ -20,8 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2011, 2015 by Delphix. All rights reserved.
* Copyright (c) 2011, 2014 by Delphix. All rights reserved.
* Copyright (c) 2011, 2016 by Delphix. All rights reserved.
* Copyright (c) 2013 Steven Hartland. All rights reserved.
* Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
*/
@@ -236,6 +235,16 @@ dsl_dataset_phys(dsl_dataset_t *ds)
return (ds->ds_dbuf->db_data);
}
typedef struct dsl_dataset_promote_arg {
const char *ddpa_clonename;
dsl_dataset_t *ddpa_clone;
list_t shared_snaps, origin_snaps, clone_snaps;
dsl_dataset_t *origin_origin; /* origin of the origin */
uint64_t used, comp, uncomp, unique, cloneusedsnap, originusedsnap;
nvlist_t *err_ds;
cred_t *cr;
} dsl_dataset_promote_arg_t;
/*
* The max length of a temporary tag prefix is the number of hex digits
* required to express UINT64_MAX plus one for the hyphen.
@@ -281,6 +290,8 @@ uint64_t dsl_dataset_create_sync(dsl_dir_t *pds, const char *lastname,
uint64_t dsl_dataset_create_sync_dd(dsl_dir_t *dd, dsl_dataset_t *origin,
struct dsl_crypto_params *dcp, uint64_t flags, dmu_tx_t *tx);
int dsl_dataset_snapshot(nvlist_t *snaps, nvlist_t *props, nvlist_t *errors);
void dsl_dataset_promote_sync(void *arg, dmu_tx_t *tx);
int dsl_dataset_promote_check(void *arg, dmu_tx_t *tx);
int dsl_dataset_promote(const char *name, char *conflsnap);
int dsl_dataset_rename_snapshot(const char *fsname,
const char *oldsnapname, const char *newsnapname, boolean_t recursive);
@@ -305,7 +316,35 @@ int dsl_dataset_snap_lookup(dsl_dataset_t *ds, const char *name,
uint64_t *value);
void dsl_dataset_dirty(dsl_dataset_t *ds, dmu_tx_t *tx);
void dsl_dataset_stats(dsl_dataset_t *ds, nvlist_t *nv);
int get_clones_stat_impl(dsl_dataset_t *ds, nvlist_t *val);
char *get_receive_resume_stats_impl(dsl_dataset_t *ds);
char *get_child_receive_stats(dsl_dataset_t *ds);
uint64_t dsl_get_refratio(dsl_dataset_t *ds);
uint64_t dsl_get_logicalreferenced(dsl_dataset_t *ds);
uint64_t dsl_get_compressratio(dsl_dataset_t *ds);
uint64_t dsl_get_used(dsl_dataset_t *ds);
uint64_t dsl_get_creation(dsl_dataset_t *ds);
uint64_t dsl_get_creationtxg(dsl_dataset_t *ds);
uint64_t dsl_get_refquota(dsl_dataset_t *ds);
uint64_t dsl_get_refreservation(dsl_dataset_t *ds);
uint64_t dsl_get_guid(dsl_dataset_t *ds);
uint64_t dsl_get_unique(dsl_dataset_t *ds);
uint64_t dsl_get_objsetid(dsl_dataset_t *ds);
uint64_t dsl_get_userrefs(dsl_dataset_t *ds);
uint64_t dsl_get_defer_destroy(dsl_dataset_t *ds);
uint64_t dsl_get_referenced(dsl_dataset_t *ds);
uint64_t dsl_get_numclones(dsl_dataset_t *ds);
uint64_t dsl_get_inconsistent(dsl_dataset_t *ds);
uint64_t dsl_get_available(dsl_dataset_t *ds);
int dsl_get_written(dsl_dataset_t *ds, uint64_t *written);
int dsl_get_prev_snap(dsl_dataset_t *ds, char *snap);
int dsl_get_mountpoint(dsl_dataset_t *ds, const char *dsname, char *value,
char *source);
void get_clones_stat(dsl_dataset_t *ds, nvlist_t *nv);
void dsl_dataset_stats(dsl_dataset_t *os, nvlist_t *nv);
void dsl_dataset_fast_stat(dsl_dataset_t *ds, dmu_objset_stats_t *stat);
void dsl_dataset_space(dsl_dataset_t *ds,
uint64_t *refdbytesp, uint64_t *availbytesp,