libbe(3): Fix BE activation promoting activated BE
This allows older BEs to be destroyed as they become replaced by a BE created from them: e.g. bectl create -e brokenworld fixedworld bectl activate fixedworld bectl destroy brokenworld Submitted by: Shawn Webb Approved by: re (gjb) Obtained from: HardenedBSD (5948c0581e)
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=339047
@ -928,8 +928,9 @@ be_activate(libbe_handle_t *lbh, const char *bootenv, bool temporary)
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{
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char be_path[BE_MAXPATHLEN];
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char buf[BE_MAXPATHLEN];
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uint64_t pool_guid;
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nvlist_t *config, *vdevs;
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uint64_t pool_guid;
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zfs_handle_t *zhp;
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int err;
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be_root_concat(lbh, bootenv, be_path);
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@ -961,14 +962,19 @@ be_activate(libbe_handle_t *lbh, const char *bootenv, bool temporary)
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} else {
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/* Obtain bootenv zpool */
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err = zpool_set_prop(lbh->active_phandle, "bootfs", be_path);
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if (err)
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return (-1);
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switch (err) {
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case 0:
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return (BE_ERR_SUCCESS);
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zhp = zfs_open(lbh->lzh, be_path, ZFS_TYPE_FILESYSTEM);
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if (zhp == NULL)
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return (-1);
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default:
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/* XXX TODO correct errors */
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err = zfs_promote(zhp);
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zfs_close(zhp);
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if (err)
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return (-1);
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}
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}
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return (BE_ERR_SUCCESS);
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}
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