liyinshubyte

@ffilz Thanks, I'm available to implement async readdir.

@ffilz Hi, sorry, I have one question, how does async improve the performance of read/write ? If read/write cost long and block all existed threads, ganesha would create a new...

@ffilz Hi, I make change in nfs4_state_id.c, and in function: nfs4_Check_Stateid. And I do not know how this issue arising, I only see the phenomenon. ``` /* Check if stateid...

I also print the epoch and epoch_low, the epoch which comes from client, will not change forever(observe 15minutes), so the client hang forever(observe 3 hours). When I restart ganesha, epoch...

@ffilz @dang Hi, How do you think of this ? Do I need to submit a patch ?

@ffilz our client is https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.143

@ffilz I find it's kernel's bug. If I use a higher kernel version as client, it will not reproduce again. I think maybe we need to log some message for...

sure, will do it.

@ffilz Hi, it's the patch, https://review.gerrithub.io/c/ffilz/nfs-ganesha/+/542321. because this problem maybe cause client hangs forever, so I use fatal log.

@mattbenjamin Thanks for review, I change to crit log.