On 12/12/2014 11:19 PM, Ivan Shapovalov wrote:
On Wednesday 10 December 2014 at 22:51:41, Edward Shishkin wrote:
On 12/10/2014 02:30 PM, Ivan Shapovalov wrote:
On Wednesday 10 December 2014 at 13:52:08, Edward Shishkin wrote:
On 12/10/2014 01:27 PM, Ivan Shapovalov wrote:
[...]
ping, what's the status?
This is in "upstream" already.
Hm.. I didn't see it..
Well, then a follow-up fix should be applied, as described in one of previous
messages, or this should be reverted.
With that patch things looked better and you promised
"equivalent transform". OK, I'll roll it back then.
Yes, that was a mistake. It's actually not an equivalent transformation.
And I need to think what to do with this, because current code looks messy,
but things are apparently so fragile...
Are there any documentation on the "space grabbing" subsystem?
Nop.
I think that you grasped the basic idea of the reservation
subsystem perfectly.
For example,
there's some flush code which grabs reserved space _without_ taking the mutex..
Most likely it is not needed for some subtle reasons,
which nobody remembers.
Edward.
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