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marsadm: add warning on forced disk open

This commit is contained in:
Thomas Schoebel-Theuer 2023-10-23 16:03:19 +02:00
parent 535a376084
commit 0f49f0f03b
1 changed files with 4 additions and 0 deletions
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userspace/marsadm
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@ -5388,6 +5388,10 @@ sub create_res {
use Fcntl 'SEEK_END', 'O_RDONLY', 'O_RDWR', 'O_EXCL';
my $flags = O_RDWR | O_EXCL;
if ($force) {
sysopen(TEST, $dev, $flags) or
lwarn "Cannot open disk device '$dev' for exclusive rw access. "
. "I will retry due to --force, hopefully you know the risk, like filesystem corruption.\n";
close(TEST);
$flags = O_RDONLY;
}
sysopen(TEST, $dev, $flags) or ldie "cannot open device '$dev' for exclusive rw access\n";