diff options
Diffstat (limited to 'usr/src/lib/libzfs/common/libzfs_pool.c')
| -rw-r--r-- | usr/src/lib/libzfs/common/libzfs_pool.c | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/usr/src/lib/libzfs/common/libzfs_pool.c b/usr/src/lib/libzfs/common/libzfs_pool.c index d2b4b54294..c751b95484 100644 --- a/usr/src/lib/libzfs/common/libzfs_pool.c +++ b/usr/src/lib/libzfs/common/libzfs_pool.c @@ -21,7 +21,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2011, 2017 by Delphix. All rights reserved. + * Copyright (c) 2011, 2020 by Delphix. All rights reserved. * Copyright 2019 Joyent, Inc. * Copyright 2016 Nexenta Systems, Inc. * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com> @@ -396,7 +396,7 @@ zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len, * 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') @@ -4410,6 +4410,42 @@ zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj, free(mntpnt); } +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; + 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); +} + /* * Read the EFI label from the config, if a label does not exist then * pass back the error to the caller. If the caller has passed a non-NULL |