Initiate TRIM/DELETE to a range of blocks from userland?

[Steven Hartland]

http://blog.multiplay.co.uk/dropzone/freebsd/ioctl-delete.c will do this 
for you.

Be aware it will just do it so you can really shoot your self in the 
foot if your not careful.

On 14/12/2015 20:52, Maxim Sobolev wrote:
> Hi guys, let's say I have a raw device (e.g. "ada1") and I want to
> generate BIO_DELETE to a range of offsets on that device. Is there any
> way to do it now, and if not, what do you think would be the most
> proper way to get something like this implemented? New ioctl and some
> new flag for the dd(1)?
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