Messages in this thread | | | Date | Mon, 31 Dec 2001 01:28:25 +0100 | From | Andrea Arcangeli <> | Subject | Re: ramdisk corruption problems - was: RE: pivot_root and initrdkern el panic woes |
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On Sun, Dec 30, 2001 at 09:40:11AM -0800, Linus Torvalds wrote: > > On Sat, 29 Dec 2001, Andrew Morton wrote: > > > > And what should we do with BH_New? > > The only point of BH_New was to not need this horror in three different > places, and have the BH_New bit as a way of saying "this buffer has no > contents yet", and fill it with zeroes in just _one_ place (ie the > readpage path).
actually bh_new is needed also to serialize with the buffercache, a new bh mapped in pagecache must be dropped from the buffercache before we can start using it (unmap_underlying_metadata).
so at least for 2.4 I wouldn't drop it :)
> > However, I don't think it was ever implemented, so if you prefer the > straightforward (brute-force but ugly) approach, just get rid of it. > > Linus
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