Re: [possible race in ext2] Re: how to write get_block?

[Matti Aarnio]

  Commenting only on a subset of Alexander's comments:

On Fri, Oct 08, 1999 at 12:35:53PM -0400, Alexander Viro wrote:
....
> More or less random comments/questions:
....
> 4) I still think that indirect blocks may go into the page cache - that
> would further simplify truncate(). OTOH the method used by BSD (indirect
> block covering addresses from n to n+block_size*pointers_per_block gets
> an address -n, double indirect block covering the area from n to n+...
> gets -n-block_size, triple indirect - -n-2*block size) will be wasteful
> for situations when block size is smaller than page.

   My LFS patches ( ftp://mea.tmt.tele.fi/linux/LFS/ ) do *allow* you to
   do that, cache index is plus/minus 2G * 512 bytes.  Just to support
   that type of signed magic..

   Earlier version was strictly 0 thru 4G of 512 byte blocks - unsigned.

...
> Comments?

/Matti Aarnio <[EMAIL PROTECTED]>