From 49032ef7a47db51c3e7cf41f5a41ec2b45630717 Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Thu, 4 Oct 2018 12:40:10 +0200 Subject: sfdisk: be more verbose about PMBR on --activate Addresses: https://github.com/karelzak/util-linux/issues/699 Signed-off-by: Karel Zak --- disk-utils/sfdisk.8 | 3 +++ disk-utils/sfdisk.c | 2 ++ 2 files changed, 5 insertions(+) (limited to 'disk-utils') diff --git a/disk-utils/sfdisk.8 b/disk-utils/sfdisk.8 index 98b574e45..ff54760ca 100644 --- a/disk-utils/sfdisk.8 +++ b/disk-utils/sfdisk.8 @@ -100,6 +100,9 @@ bootable flag on all unspecified partitions. The special placeholder '-' may be used instead of the partition numbers to switch off the bootable flag on all partitions. +The activation command is supported for MBR and PMBR only. If GPT label is detected +than sfdisk prints warning and automatically enter PMBR. + If no \fIpartition-number\fR is specified, then list the partitions with an enabled flag. .TP diff --git a/disk-utils/sfdisk.c b/disk-utils/sfdisk.c index 9f031126f..21fcfa686 100644 --- a/disk-utils/sfdisk.c +++ b/disk-utils/sfdisk.c @@ -828,6 +828,8 @@ static int command_activate(struct sfdisk *sf, int argc, char **argv) sf->cxt = fdisk_new_nested_context(sf->cxt, "dos"); if (!sf->cxt) err(EXIT_FAILURE, _("cannot switch to PMBR")); + fdisk_info(sf->cxt, _("Activation is unsupported for GPT -- entering nested PMBR.")); + } else if (!fdisk_is_label(sf->cxt, DOS)) errx(EXIT_FAILURE, _("toggle boot flags is supported for MBR or PMBR only")); -- cgit v1.2.3-55-g7522