Messages in this thread | | | Date | Fri, 5 Nov 1999 15:54:08 +0100 (CET) | From | Mikulas Patocka <> | Subject | Re: move block #A to block #B on a given device. |
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> > > > don't want to read block B as its data is going to be discarded anyway, > > > > why generate extra io? > > > > > > Exactly. > > > > I think doing pure getblk is wrong (someone else can call bread and > > overwrite data in buffer). There should be bh = getblk(); > > mark_buffer_uptodate(bh, 1) > > Yes, of course. Also
BTW. neither getblk nor mark_buffer_uptodate check for i/o completion. Isn't it race? Many filesystem do it this way.
Mikulas Patocka
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