Re: [PATCH rc6] block: Fix CDROMEJECT to work in more cases

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On Mon, 19 Dec 2005, Ben Collins wrote:
>
> This changes the request to a READ instead of WRITE. Also adds and calls
> blk_send_allow_medium_removal() for CDROMEJECT case.

Can you tell why it also does that START_STOP/1 thing? That looks a bit 
strange. 

Also, can somebody go through the READ/WRITE difference for me for a 
zero-length command? If the _only_ difference is a protection one (WRITE 
commands need write permissions), then I'm ok with this (I think it's 
very reasonable that somebody who can read a cd-rom can also eject it), 
but if there's some SCSI layer logic that says "writes cannot have length 
0", then I think that's a bug. 

		Linus
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