On Wed, 5 May 2021, Melvin Vermeeren wrote: > On Wednesday, 5 May 2021 22:05:35 CEST Mikulas Patocka wrote: > > Yes. > > I fail to understand why that would be desired behaviour, as I see it it is > conflicting with current documentation in integritysetup(8): So, we can ask Milan to update the manpage. > > --integrity-recalculate > > Automatically recalculate integrity tags in kernel on activation. The device > > can be used during automatic integrity recalculation but becomes fully > > integrity protected only after the background operation is finished. This > > option is available since the Linux kernel version 4.19. > > The device in SSD with discard case never receives integrity protection > because the metadata is filled with discard filler. Could you explain the > reasoning behind the patch? It will receive integrity protection for the newly written data. If you create an integrity device and make a filesystem on it, the newly written data matters. The old data that were on the filesystem before formatting it don't care and don't need to be protected. > Thanks, Mikulas -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel
