[Lsf-pc] [LSF/MM/BPF TOPIC] Atomic Writes

[Allison Collins <allison.henderson@xxxxxxxxxx>]

Hi all,

I know there's a lot of discussion on the list right now, but I'd like 
to get this out before too much time gets away.  I would like to propose 
the topic of atomic writes.  I realize the topic has been discussed 
before, but I have not found much activity for it recently so perhaps we 
can revisit it.  We do have a customer who may have an interest, so I 
would like to discuss the current state of things, and how we can move 
forward.  If efforts are in progress, and if not, what have we learned 
from the attempt.

I also understand there are multiple ways to solve this problem that 
people may have opinions on.  I've noticed some older patch sets trying 
to use a flag to control when dirty pages are flushed, though I think 
our customer would like to see a hardware solution via NVMe devices.  So 
I would like to see if others have similar interests as well and what 
their thoughts may be.  Thanks everyone!

Allison