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zfs label bootenv should store data as nvlist

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nvlist does allow us to support different data types and systems.

To encapsulate user data to/from nvlist, the libzfsbootenv library is
provided.

Reviewed-by: Arvind Sankar <nivedita@alum.mit.edu>
Reviewed-by: Allan Jude <allan@klarasystems.com>
Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Signed-off-by: Toomas Soome <tsoome@me.com>
Closes #10774
This commit is contained in:
Toomas Soome
2020-09-16 01:42:27 +03:00
committed by GitHub
parent 37325e4749
commit 1db9e6e4e4
29 changed files with 886 additions and 68 deletions
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lib/libzfs_core/libzfs_core.c
+2 -6
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@@ -1625,13 +1625,9 @@ lzc_wait_fs(const char *fs, zfs_wait_activity_t activity, boolean_t *waited)
* Set the bootenv contents for the given pool.
*/
int
lzc_set_bootenv(const char *pool, const char *env)
lzc_set_bootenv(const char *pool, const nvlist_t *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);
return (lzc_ioctl(ZFS_IOC_SET_BOOTENV, pool, (nvlist_t *)env, NULL));
}
/*