Re: 64-bit capable block device layer

2001-03-08 Thread Ingo Oeser
On Wed, Mar 07, 2001 at 07:53:23PM +0100, Jens Axboe wrote: > Plus compile time options are nasty :-). It would probably make > bigger sense to completely skip all the merging etc for low end > machines. I think they already do this for embedded kernels (ie > removing ll_rw_blk.c and elevator.c).

Re: 64-bit capable block device layer

2001-03-08 Thread Stephen C. Tweedie
Hi, On Wed, Mar 07, 2001 at 07:53:23PM +0100, Jens Axboe wrote: > > > > OTOH, I'm not sure what problems it could give to make this > > a compile-time option... > > Plus compile time options are nasty :-). It would probably make > bigger sense to completely skip all the merging etc for low end

Re: 64-bit capable block device layer

2001-03-08 Thread David Weinehall
On Wed, Mar 07, 2001 at 07:53:23PM +0100, Jens Axboe wrote: > On Wed, Mar 07 2001, Rik van Riel wrote: > > > > how would you feel about having the block device layer 64-bit > > > > capable, so Linux can have block devices of more than 2GB in > > > > size ? > > > > > > I already did this here, or s

Re: 64-bit capable block device layer

2001-03-07 Thread Jens Axboe
On Wed, Mar 07 2001, Rik van Riel wrote: > > > how would you feel about having the block device layer 64-bit > > > capable, so Linux can have block devices of more than 2GB in > > > size ? > > > > I already did this here, or something similar at least. Using > > a sector_t type that is 64-bit, reg

Re: 64-bit capable block device layer

2001-03-07 Thread Rik van Riel
On Wed, 7 Mar 2001, Jens Axboe wrote: > On Wed, Mar 07 2001, Rik van Riel wrote: > > how would you feel about having the block device layer 64-bit > > capable, so Linux can have block devices of more than 2GB in > > size ? > > I already did this here, or something similar at least. Using > a sect

Re: 64-bit capable block device layer

2001-03-07 Thread Jens Axboe
On Wed, Mar 07 2001, Rik van Riel wrote: > Hi Linus, > > how would you feel about having the block device layer 64-bit > capable, so Linux can have block devices of more than 2GB in > size ? > > I know that 64-bit arithmetic is expensive on 32-bit platforms, > but I have the idea there is a way

64-bit capable block device layer

2001-03-07 Thread Rik van Riel
Hi Linus, how would you feel about having the block device layer 64-bit capable, so Linux can have block devices of more than 2GB in size ? I know that 64-bit arithmetic is expensive on 32-bit platforms, but I have the idea there is a way around that for people who don't want 64-bit capable bloc