Re: [Re: Block Device I/O]

2001-07-13 Thread Nitin Nahata
Julian Elischer <[EMAIL PROTECTED]> wrote: > we couldn't find any reason th have block devices except in teh case for > exporting the nodes via NFS. > > The buffer caching is done at teh filesystem level, and raw-io is faster > with the raw device, so it was complicating the code without giving

Re: Block Device I/O

2001-07-13 Thread Kenneth Wayne Culver
> I saw an old message in 1999 freebsd-hackers archive that said that block > devices were being replaced from freebsd. I tried to follow the trail of > the message but could not find anything more...Also I could not find > any bdevsw[] in the code. I shall be thankful if anyone could give any

Re: Block Device I/O

2001-07-13 Thread Julian Elischer
we couldn't find any reason th have block devices except in teh case for exporting the nodes via NFS. The buffer caching is done at teh filesystem level, and raw-io is faster with the raw device, so it was complicating the code without giving us any real advantage.. If you need a cached device