Re: Variable Block Chains in ll_rw_block()

From: Andre Hedrick (
Date: Sun Sep 03 2000 - 00:47:22 EST

On Sat, 2 Sep 2000, Jeff V. Merkey wrote:

> Linus,
> This morning I tried what you suggested last night, and saw some issues
> with the Adaptec SCSI driver doing an Oops when I tried 1024-512-1024
> with the block check removed on 2.2.16. The IDE driver did not barf
> but when I tried it on a mirrored system with SCSI disk I got an Oops,
> so I think perhaps there may be some drivers this will break.

Explain, I am listening.

> If it is your intent that this be removed to allow variable block sectr
> requests (this idea of yours is great BTW) then I will submit a PATCH
> and I guess we'll just see how many drivers this breaks. Someone needs
> to write a test harness that will send all kinds of variable size blocks
> chains to test all the drivers. Since it's me who's breaking the world
> here with this, is this my job?

oh my, nothing is worth that kind of reaction.

Andre Hedrick
The Linux ATA/IDE guy

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