On Tue, Feb 21, 2017 at 8:59 AM, Cyrill Gorcunov <gorcunov@xxxxxxxxxx> wrote: > Since it is possbile to have same number in tfd field (say > file added, closed, then nother file dup'ed to same number > and added back) it is imposible to distinguish such target > files solely by their numbers. > > Strictly speaking regular applications don't need to recognize > these targets at all but for checkpoint/restore sake we need > to collect targets to be able to push them back on restore > in proper order. > > Thus lets add file position, inode and device number where > this target lays. This three fields can be used as a primary > key for sorting, and together with kcmp help CRIU can find > out an exact file target (from the whole set of processes > being checkpointed). I have no problem with this, but I'm wondering whether kcmp's ordered comparisons could also be used for this purpose.
