Author: emaste Date: Wed Nov 15 18:40:40 2017 New Revision: 325860 URL: https://svnweb.freebsd.org/changeset/base/325860
Log: newfs: warn if newer than kernel Creating a UFS filesystem with a newfs newer than the running kernel, and then mounting that filesystem, can lead to interesting failures. Add a safety belt to explicitly warn when newfs is newer than the running kernel. Reviewed by: gjb, jhb, mckusick Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D12765 Modified: head/sbin/newfs/newfs.c Modified: head/sbin/newfs/newfs.c ============================================================================== --- head/sbin/newfs/newfs.c Wed Nov 15 18:03:31 2017 (r325859) +++ head/sbin/newfs/newfs.c Wed Nov 15 18:40:40 2017 (r325860) @@ -398,6 +398,10 @@ main(int argc, char *argv[]) if (pp != NULL) pp->p_size *= secperblk; } + if (getosreldate() < __FreeBSD_version) { + warnx("%s is newer than the running kernel and may not be compatible", + getprogname()); + } mkfs(pp, special); ufs_disk_close(&disk); if (!jflag) _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
