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-rw-r--r--lib/libbe/be.c65
1 files changed, 36 insertions, 29 deletions
diff --git a/lib/libbe/be.c b/lib/libbe/be.c
index 38e5e44abb53..613235d5e908 100644
--- a/lib/libbe/be.c
+++ b/lib/libbe/be.c
@@ -1,31 +1,9 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause
- *
+/*
* Copyright (c) 2017 Kyle J. Kneitinger <kyle@kneit.in>
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
+ * SPDX-License-Identifier: BSD-2-Clause
*/
-#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/module.h>
#include <sys/mount.h>
@@ -176,6 +154,9 @@ libbe_init(const char *root)
strcmp(altroot, "-") != 0)
lbh->altroot_len = strlen(altroot);
+ (void) lzbe_get_boot_device(zpool_get_name(lbh->active_phandle),
+ &lbh->bootonce);
+
return (lbh);
err:
if (lbh != NULL) {
@@ -200,6 +181,8 @@ libbe_close(libbe_handle_t *lbh)
if (lbh->active_phandle != NULL)
zpool_close(lbh->active_phandle);
libzfs_fini(lbh->lzh);
+
+ free(lbh->bootonce);
free(lbh);
}
@@ -444,6 +427,12 @@ be_destroy_internal(libbe_handle_t *lbh, const char *name, int options,
return (set_error(lbh, BE_ERR_DESTROYMNT));
}
}
+
+ /* Handle destroying bootonce */
+ if (lbh->bootonce != NULL &&
+ strcmp(path, lbh->bootonce) == 0)
+ (void) lzbe_set_boot_device(
+ zpool_get_name(lbh->active_phandle), lzbe_add, NULL);
} else {
/*
* If we're initially destroying a snapshot, origin options do
@@ -670,8 +659,20 @@ be_deep_clone_prop(int prop, void *cb)
dccb = cb;
/* Skip some properties we don't want to touch */
- if (prop == ZFS_PROP_CANMOUNT)
+ switch (prop) {
+ /*
+ * libzfs insists on these being naturally inherited in the
+ * cloning process.
+ */
+ case ZFS_PROP_KEYFORMAT:
+ case ZFS_PROP_KEYLOCATION:
+ case ZFS_PROP_ENCRYPTION:
+ case ZFS_PROP_PBKDF2_ITERS:
+
+ /* FALLTHROUGH */
+ case ZFS_PROP_CANMOUNT: /* Forced by libbe */
return (ZPROP_CONT);
+ }
/* Don't copy readonly properties */
if (zfs_prop_readonly(prop))
@@ -1022,11 +1023,17 @@ be_rename(libbe_handle_t *lbh, const char *old, const char *new)
.nounmount = 1,
};
err = zfs_rename(zfs_hdl, full_new, flags);
+ if (err != 0)
+ goto error;
+
+ /* handle renaming bootonce */
+ if (lbh->bootonce != NULL &&
+ strcmp(full_old, lbh->bootonce) == 0)
+ err = be_activate(lbh, new, true);
+error:
zfs_close(zfs_hdl);
- if (err != 0)
- return (set_error(lbh, BE_ERR_UNKNOWN));
- return (0);
+ return (set_error(lbh, err));
}
@@ -1151,7 +1158,7 @@ be_create_child_noent(libbe_handle_t *lbh, const char *active,
static int
be_create_child_cloned(libbe_handle_t *lbh, const char *active)
{
- char buf[BE_MAXPATHLEN], tmp[BE_MAXPATHLEN];;
+ char buf[BE_MAXPATHLEN], tmp[BE_MAXPATHLEN];
zfs_handle_t *zfs;
int err;