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13b5a4d5c0
This adds support for setting user properties in a zfs channel program by adding 'zfs.sync.set_prop' and 'zfs.check.set_prop' to the ZFS LUA API. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Matt Ahrens <matt@delphix.com> Co-authored-by: Sara Hartse <sara.hartse@delphix.com> Contributions-by: Jason King <jason.king@joyent.com> Signed-off-by: Sara Hartse <sara.hartse@delphix.com> Signed-off-by: Jason King <jason.king@joyent.com> Closes #9950
101 lines
2.4 KiB
C
101 lines
2.4 KiB
C
/*
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* CDDL HEADER START
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*
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* This file and its contents are supplied under the terms of the
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* Common Development and Distribution License ("CDDL"), version 1.0.
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* You may only use this file in accordance with the terms of version
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* 1.0 of the CDDL.
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*
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* A full copy of the text of the CDDL should have accompanied this
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* source. A copy of the CDDL is also available via the Internet at
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* http://www.illumos.org/license/CDDL.
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2016 by Delphix. All rights reserved.
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* Copyrigh 2020 Joyent, Inc.
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*/
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#include <sys/lua/lua.h>
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#include <sys/lua/lualib.h>
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#include <sys/lua/lauxlib.h>
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#include <sys/dsl_prop.h>
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#include <sys/dsl_dir.h>
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#include <sys/dsl_synctask.h>
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#include <sys/dsl_dataset.h>
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#include <sys/zcp.h>
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#include <sys/zcp_set.h>
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#include <sys/zcp_iter.h>
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#include <sys/zcp_global.h>
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#include <sys/zvol.h>
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#include <zfs_prop.h>
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static void
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zcp_set_user_prop(lua_State *state, dsl_pool_t *dp, const char *dsname,
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const char *prop_name, const char *prop_val, dmu_tx_t *tx)
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{
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dsl_dataset_t *ds = zcp_dataset_hold(state, dp, dsname, FTAG);
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if (ds == NULL)
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return; /* not reached; zcp_dataset_hold() longjmp'd */
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nvlist_t *nvl = fnvlist_alloc();
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fnvlist_add_string(nvl, prop_name, prop_val);
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dsl_props_set_sync_impl(ds, ZPROP_SRC_LOCAL, nvl, tx);
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fnvlist_free(nvl);
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dsl_dataset_rele(ds, FTAG);
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}
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int
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zcp_set_prop_check(void *arg, dmu_tx_t *tx)
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{
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zcp_set_prop_arg_t *args = arg;
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const char *prop_name = args->prop;
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dsl_props_set_arg_t dpsa = {
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.dpsa_dsname = args->dsname,
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.dpsa_source = ZPROP_SRC_LOCAL,
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};
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nvlist_t *nvl = NULL;
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int ret = 0;
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/*
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* Only user properties are currently supported. When non-user
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* properties are supported, we will want to use
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* zfs_valid_proplist() to verify the properties.
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*/
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if (!zfs_prop_user(prop_name)) {
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return (EINVAL);
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}
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nvl = fnvlist_alloc();
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fnvlist_add_string(nvl, args->prop, args->val);
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dpsa.dpsa_props = nvl;
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ret = dsl_props_set_check(&dpsa, tx);
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nvlist_free(nvl);
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return (ret);
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}
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void
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zcp_set_prop_sync(void *arg, dmu_tx_t *tx)
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{
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zcp_set_prop_arg_t *args = arg;
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zcp_run_info_t *ri = zcp_run_info(args->state);
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dsl_pool_t *dp = ri->zri_pool;
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const char *dsname = args->dsname;
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const char *prop_name = args->prop;
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const char *prop_val = args->val;
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if (zfs_prop_user(prop_name)) {
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zcp_set_user_prop(args->state, dp, dsname, prop_name,
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prop_val, tx);
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}
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}
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