lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Mon, 13 Aug 2007 09:45:30 +0200
From:	Jens Axboe <>
To:	Daniel Phillips <>
Cc:	Evgeniy Polyakov <>,,,,
	Peter Zijlstra <>
Subject: Re: Distributed storage.

On Mon, Aug 13 2007, Jens Axboe wrote:
> > You did not comment on the one about putting the bio destructor in 
> > the ->endio handler, which looks dead simple.  The majority of cases 
> > just use the default endio handler and the default destructor.  Of the 
> > remaining cases, where a specialized destructor is needed, typically a 
> > specialized endio handler is too, so combining is free.  There are few 
> > if any cases where a new specialized endio handler would need to be 
> > written.
> We could do that without too much work, I agree.

But that idea fails as well, since reference counts and IO completion
are two completely seperate entities. So unless end IO just happens to
be the last user holding a reference to the bio, you cannot free it.

Jens Axboe

To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists