When is a block free?

[Chris Worley]

On Wed, Oct 1, 2008 at 11:36 PM, Balu manyam <balu.manyam at gmail.com> wrote:
>
>
> On Thu, Oct 2, 2008 at 2:59 AM, Theodore Tso <tytso at mit.edu> wrote:
>>
>> On Wed, Oct 01, 2008 at 01:46:00PM -0600, Chris Worley wrote:
>> >
>> > Maybe that should effect the priority of implementation for ext[34]?
>> >
>>
>
> also i am inferring correctly  that the SAN array vendors who are now
> implementing thin provisioning i.e. allocate space on writes can benefit
> from this ?

Absolutely.

Chris
> now that the array can know which blocks are free and update its
> own list of free blocks?
>