Messages in this thread | | | Date | Thu, 26 Sep 2002 10:25:04 -0400 | From | "Theodore Ts'o" <> | Subject | Re: jbd bug(s) (?) |
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On Thu, Sep 26, 2002 at 03:05:57PM +0100, Christoph Hellwig wrote: > On Thu, Sep 26, 2002 at 09:44:35AM -0400, Theodore Ts'o wrote: > > block size). So we could add larger block sizes, but it would mean > > adding a huge amount of complexity for minimal gain (and if you really > > want that, you can always use XFS, which pays that complexity cost). > > XFS does't support blocksize > PAGE_CACHE_SIZE under linux. In fact the > latest public XFS/Linux release doesn't even support any blocksize other > than PAGE_CACHE_SIZE. This has changed in the development tree now and > the version merged in 2.5 and the next public 2.4 release will have that > support. Doing blocksize > PAGE_CACHE_SIZE will difficult if not > impossible due VM locking issues with the 2.4 and 2.5 VM code.
My mistake. At one point I was talking to Mark Lord and I had gotten the impression they had some Irix-VM-to-Linux-VM mapping layer which would make blocksize > PAGE_SIZE possible.
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