Messages in this thread | | | Date | Wed, 17 Oct 2007 12:15:26 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: [bug] block subsystem related crash with latest -git |
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On Wed, 17 Oct 2007, Jens Axboe wrote: > > Ah ok, I see why you are confused. The SCSI case is one, it allocs and > frees the sg table each time. The entries are thus always initialized > when they end up in blk_rq_map_sg(). However, other drivers allocate one > at driver init time and use that one all the time. It needs to be > initially cleared, but it wont be cleared before each request mapping. > And that is fine, as long as we do clear entries in blk_rq_map_sg().
Ahh, ok, thanks for clearing that up.
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