Re: [patch?] Re: Do ramdisk exec's map direct to buffer cache?

From: Alan Cox (
Date: Tue Aug 01 2000 - 19:25:09 EST

> And yes, within the last four months or so ext3 has actually become
> reality.

November 1999

> In large part, I suspect, because it became so painfully obvious that
> ReiserFS was getting quite a lot of attention.

You've been reading too many conspiracy theories. Ext3 and Reiserfs are
not competitors. Ext3 is a tool to journal ext2fs. Its still slow on huge
directories and its still got every other ext2 feature good and bad

Reiserfs has fast handling of large file trees, efficient packing of small
files and a whole pile of stuff which puts it and XFS as the competitors.

Really its

ext3fs - migration path, highly stable, no other feature gain


reiserfs - packing, name spaces, btrees lots of new goodies
xfs - lots of scalable new (to Linux) goodies
ibm jfs - to be seen - but btrees and all the rest

and more researchy stuff like the tree-phase ext2 which offers a whole pile of
interesting future paths that journalling doesn't handle well

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