[RFC][PATCH 0/8] drop the mmap_sem when doing IO in the fault path

2018-09-25 Thread Josef Bacik
Now that we have proper isolation in place with cgroups2 we have started going through and fixing the various priority inversions. Most are all gone now, but this one is sort of weird since it's not necessarily a priority inversion that happens within the kernel, but rather because of something

[RFC][PATCH 0/8] drop the mmap_sem when doing IO in the fault path

2018-09-25 Thread Josef Bacik
Now that we have proper isolation in place with cgroups2 we have started going through and fixing the various priority inversions. Most are all gone now, but this one is sort of weird since it's not necessarily a priority inversion that happens within the kernel, but rather because of something