Re: cvs commit: src/sys/kern kern_mpipe.c src/sys/sys mpipe.h src/sys/dev/disk/ata ata-all.c ata-disk.c ata-dma.c

[Hiten Pandya <hmp@xxxxxxxxxxxxx>]

Matthew Dillon wrote:
> dillon      2004/03/29 08:22:24 PST
>
> DragonFly src repository
>
>   Modified files:
>     sys/kern             kern_mpipe.c 
>     sys/sys              mpipe.h 
>     sys/dev/disk/ata     ata-all.c ata-disk.c ata-dma.c 
>   Log:
>   Bring in a bunch of well tested MPIPE changes.  Preallocate a minimum
>   number of mpipe elements when it is initialized.  Use an array to cache
>   free MPIPE buffers nad remove the data structure overloading that was
>   previously occuring on the buffer itself.  Add a deconstructor.  Separate
>   the blocking and non-blocking allocation APIs into their own functions.
>   
>   The new code still needs Giant, but it's getting a lot closer to being
>   lock free.

	If we are adding a destructor, shouldn't we also add a
	constructor?  Because otherwise it would be pointless
	to have a destructor, isn't it?

	-Hiten
	Hiten Pandya