Re: zero out blocks of freed user data for operation a virtualmachine environment

[Thomas Glanzmann]

Hello Ted,

> Yes, it does, sb_issue_discard().  So if you wanted to hook into this
> routine with a function which issued calls to zero out blocks, it
> would be easy to create a private patch.

that sounds good because it wouldn't only target the most used
filesystem but every other filesystem that uses the interface as well.
Do you think that a tunable or configurable patch has a chance to hit
upstream as well?

        Thomas
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