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[Slightly OT] XFS for 2.5(6) Kernel potential.

To: linux-xfs@xxxxxxxxxxx
Subject: [Slightly OT] XFS for 2.5(6) Kernel potential.
From: Austin Gonyou <austin@xxxxxxxxxxxxxxx>
Date: 19 Jul 2002 16:32:47 -0500
Organization: Coremetrics, Inc.
Sender: owner-linux-xfs@xxxxxxxxxxx
I was reading the LKML, then found this information regarding a
potential roadmap over at kerneltrap.org.  This is the summarized bits
for 2.6 as far as order and must-haves vs. nice-to-haves vs.
not-haves-(in 2.6). FYI. XFS is listed. I just wanted t post this to
help answer/shed light on some of the more obvious questions around XFS
and 2.5 kernel tree. 

<Kernel Summary>
From: Guillaume Boissiere
Subject: [2.6] The List, pass #2
Date: Fri, 19 Jul 2002 00:47:37 -0400

I've reorganized the list into 5 categories based on the feedback 
I received. Now let's see what happens :-)

In line with your expectations?

-- Guillaume

 Likely to be merged before feature freeze:
   o New VM with reverse mappings
   o Add Linux Security Module (LSM)
   o New MTRR (Memory Type Range Register) driver
   o Add support for CPU clock/voltage scaling
   o Add User-Mode Linux (UML)
   o Direct pagecache  BIO disk I/O
   o Fix device naming issues
   o Remove the 2TB block device limit 
 "The pressure is on! (TM)":
 (either gets merged before feature freeze or has to wait till 2.7)
   o Rewrite of the console layer                    
   o XFS (A journaling filesystem from SGI)
   o LVM (Logical Volume Manager) v2.0
   o Zerocopy NFS
   o Asynchronous IO (aio) support
   o New kernel build system (kbuild 2.5)
   o Serial driver restructure                       
   o Replace initrd by initramfs
   o ext2/ext3 large directory support: HTree index
 Can be merged after the feature freeze and before the 2.6 release:
   o Strict address space accounting                 
   o More complete NetBEUI stack                     
   o Add hardware sensors drivers                    
   o PCMCIA Zoom video support               
   o Change all drivers to new driver model
   o UDF Write support for CD-R/RW (packet writing)
   o USB gadget support
 Would be nice to have before feature freeze, but most likely 2.7:
   o Improved i2o (Intelligent Input/Ouput) layer
   o Read-Copy Update Mutual Exclusion
   o New IO scheduler
   o Per-mountpoint read-only, union-mounts, unionfs
   o EVMS (Enterprise Volume Management System)
   o Dynamic Probes
   o Page table sharing
   o ext2/ext3 online resize support
   o Better event logging for enterprise systems
   o UMSDOS (Unix under MS-DOS) Rewrite
   o Scalable Statistics Counter
   o Linux Kernel Crash Dumps
   o SCTP (Stream Control Transmission Protocol)
   o High resolution timers
   o Overhaul PCMCIA support
   o Reiserfs v4
   o New lightweight library (klibc)
   o New mount API
   o Generic parameter/command line interface
   o Full compliance with IPv6
   o Serial ATA support      
   o Add support for NFS v4
 Definitely 2.7:
 o InfiniBand support
 o Add thrashing control
 o Remove all hardwired drivers from kernel
<Kernel Summary>

Austin Gonyou <austin@xxxxxxxxxxxxxxx>
Coremetrics, Inc.

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