[RFC] breakage in bsg
From: Al Viro
Date: Sun Jul 20 2008 - 12:34:31 EST
* with "bsg: bind bsg to request_queue instead of gendisk" we
get all requests with NULL ->rq_disk. SCSI can cope with that, anything
else is not promised to be able to surive that. Indeed, quite a few
drivers do not.
* WTF are these per-bd flags doing, seeing that you set them
on every ->read() and ->write()? Just what will happen if you have
* cmd_filter thing is broken as well (we have no access to
gendisk in question and there's a lot of obvious issues when you have
#2 and part of #3 are fixable, but I really don't see what to do with #1.
If nothing else, it's absolutely incompatible with cmd_filter, even if you
leave aside the issue with non-IDE/non-SCSI drivers.
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