On Fri, Jan 05, 2018 at 12:51:09PM -0700, Liu Bo wrote:
> This fixes a corner case that is caused by a race of dio write vs dio
> read/write.
>
> Here is how the race could happen.
>
> Suppose that no extent map has been loaded into memory yet.
> There is a file extent [0, 32K), two jobs are
This fixes a corner case that is caused by a race of dio write vs dio
read/write.
Here is how the race could happen.
Suppose that no extent map has been loaded into memory yet.
There is a file extent [0, 32K), two jobs are running concurrently
against it, t1 is doing dio write to [8K, 32K) and