Author: allanjude
Date: Sun Feb 7 00:49:15 2016
New Revision: 295357
URL: https://svnweb.freebsd.org/changeset/base/295357
Log:
Do not set vfs.root.mountfrom unnecessarily
This causes boot from external media (installer USB image) to mount / from
the default ZFS BE, rather than the USB device.
Reported by: kmoore
MFC after: 5 days
Sponsored by: ScaleEngine Inc.
Modified:
head/sys/boot/zfs/zfs.c
Modified: head/sys/boot/zfs/zfs.c
==============================================================================
--- head/sys/boot/zfs/zfs.c Sat Feb 6 22:01:25 2016 (r295356)
+++ head/sys/boot/zfs/zfs.c Sun Feb 7 00:49:15 2016 (r295357)
@@ -722,8 +722,6 @@ init_zfs_bootenv(char *currdev)
currdev[strlen(currdev) - 1] = '\0';
setenv("zfs_be_active", currdev, 1);
setenv("zfs_be_currpage", "1", 1);
- /* Do not overwrite if already set */
- setenv("vfs.root.mountfrom", currdev, 0);
/* Forward past zfs: */
currdev = strchr(currdev, ':');
currdev++;
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