diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libzfs/libzfs_pool.c | 40 | ||||
| -rw-r--r-- | lib/libzfs_core/libzfs_core.c | 22 |
2 files changed, 60 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); +} diff --git a/lib/libzfs_core/libzfs_core.c b/lib/libzfs_core/libzfs_core.c index 4e83b624b..22996fc9b 100644 --- a/lib/libzfs_core/libzfs_core.c +++ b/lib/libzfs_core/libzfs_core.c @@ -1619,3 +1619,25 @@ lzc_wait_fs(const char *fs, zfs_wait_activity_t activity, boolean_t *waited) return (error); } + +/* + * Set the bootenv contents for the given pool. + */ +int +lzc_set_bootenv(const char *pool, const char *env) +{ + nvlist_t *args = fnvlist_alloc(); + fnvlist_add_string(args, "envmap", env); + int error = lzc_ioctl(ZFS_IOC_SET_BOOTENV, pool, args, NULL); + fnvlist_free(args); + return (error); +} + +/* + * Get the contents of the bootenv of the given pool. + */ +int +lzc_get_bootenv(const char *pool, nvlist_t **outnvl) +{ + return (lzc_ioctl(ZFS_IOC_GET_BOOTENV, pool, NULL, outnvl)); +} |