On Wed, 5 Nov 2014, Mikulas Patocka wrote: > You can for example set the flag in the prison meaning that the prison is > suspended and then call dm_internal_suspend immediatelly followed by > dm_internal_resume - that will clear in-progress bios and prevent new bios > from coming in (and we don't need to change dm_internal_suspend and > dm_internal_resume to become so big). No, the correct sequence is this (do this in presuspend handler): 1. call dm_internal_suspend on all thin devices 2. set the flag in the prison meaning that the prison is blocked 3. call dm_internal_resume on all thin devices Mikulas -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
