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Diffstat (limited to 'lib/libzfs/libzfs_pool.c')
-rw-r--r--lib/libzfs/libzfs_pool.c40
1 files changed, 38 insertions, 2 deletions
diff --git a/lib/libzfs/libzfs_pool.c b/lib/libzfs/libzfs_pool.c
index 9122b3ee1..2b21787ee 100644
--- a/lib/libzfs/libzfs_pool.c
+++ b/lib/libzfs/libzfs_pool.c
@@ -22,7 +22,7 @@
/*
* Copyright 2015 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011, 2018 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2020 by Delphix. All rights reserved.
* Copyright 2016 Igor Kozhukhov <[email protected]>
* Copyright (c) 2018 Datto Inc.
* Copyright (c) 2017 Open-E, Inc. All Rights Reserved.
@@ -429,7 +429,7 @@ zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf,
* Assuming bootfs is a valid dataset name.
*/
static boolean_t
-bootfs_name_valid(const char *pool, char *bootfs)
+bootfs_name_valid(const char *pool, const char *bootfs)
{
int len = strlen(pool);
if (bootfs[0] == '\0')
@@ -4459,3 +4459,39 @@ zpool_wait_status(zpool_handle_t *zhp, zpool_wait_activity_t activity,
return (error);
}
+
+int
+zpool_set_bootenv(zpool_handle_t *zhp, const char *envmap)
+{
+ int error = lzc_set_bootenv(zhp->zpool_name, envmap);
+ if (error != 0) {
+ (void) zpool_standard_error_fmt(zhp->zpool_hdl, error,
+ dgettext(TEXT_DOMAIN,
+ "error setting bootenv in pool '%s'"), zhp->zpool_name);
+ }
+
+ return (error);
+}
+
+int
+zpool_get_bootenv(zpool_handle_t *zhp, char *outbuf, size_t size, off_t offset)
+{
+ nvlist_t *nvl = NULL;
+ int error = lzc_get_bootenv(zhp->zpool_name, &nvl);
+ if (error != 0) {
+ (void) zpool_standard_error_fmt(zhp->zpool_hdl, error,
+ dgettext(TEXT_DOMAIN,
+ "error getting bootenv in pool '%s'"), zhp->zpool_name);
+ return (-1);
+ }
+ char *envmap = fnvlist_lookup_string(nvl, "envmap");
+ if (offset >= strlen(envmap)) {
+ fnvlist_free(nvl);
+ return (0);
+ }
+
+ strlcpy(outbuf, envmap + offset, size);
+ int bytes = MIN(strlen(envmap + offset), size);
+ fnvlist_free(nvl);
+ return (bytes);
+}