On Wed, Aug 16, 2017 at 12:43:58PM +1000, James Morris wrote: > On Tue, 15 Aug 2017, Mimi Zohar wrote: > > > To resolve this locking problem, this patch set introduces a new > > ->integrity_read file operation method. Until all filesystems > > define the new ->integrity_read method, files that were previously > > measured might not be currently measured and files that were > > previously appraised might fail to be appraised properly. > > Are there any such filesystems in mainline which are not getting an > integrity_read method in this patchset? There are a few, mostly because we're pretty sure the previous integrity code did the wrong thing for them - e.g. ocfs2 and gfs2 where locking vs operations on other cluster nodes was missing, or NFS where in addition to the above deadlocks were 100% reprodicible with current code.
