On Mon, 2018-07-30 at 11:40 -0700, Bart Van Assche wrote: > A long time ago the unfortunate decision was taken to add a self- > deletion attribute to the sysfs SCSI device directory. That decision > was unfortunate because self-deletion is really tricky. We can't drop > that attribute because widely used user space software depends on it, > namely the rescan-scsi-bus.sh script. Hence this patch that avoids > that writing into that attribute triggers a deadlock. See also commit > 7973cbd9fbd9 ("[PATCH] add sysfs attributes to scan and delete > scsi_devices").
[ ... ] During my kernel tests of today I noticed that this patch makes booting significantly slower: boot time for a VM increases from 6s to 157s. Martin, please drop this patch series. Thanks, Bart.