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Re: [PATCH] xfsdocs: updates to XFS User Guide

To: Geoffrey Wehrman <gwehrman@xxxxxxx>
Subject: Re: [PATCH] xfsdocs: updates to XFS User Guide
From: Lachlan McIlroy <lmcilroy@xxxxxxxxxx>
Date: Fri, 9 Jul 2010 01:17:16 -0400 (EDT)
Cc: xfs@xxxxxxxxxxx
In-reply-to: <20100702204529.GB32317@xxxxxxx>
Reply-to: Lachlan McIlroy <lmcilroy@xxxxxxxxxx>
Thanks Geoffrey & Lori.  I've incorporated all those changes.

----- "Geoffrey Wehrman" <gwehrman@xxxxxxx> wrote:

> On Fri, Jul 02, 2010 at 03:14:54AM -0400, Lachlan McIlroy wrote:
> | Hi all, it's been a while since I posted here!
> | 
> | Various updates to chapters 1,2,4 and 5 of the XFS User Guide.
> | 
> | Fixed various spelling/grammar mistakes, updated outdated and/or
> | incorrect facts, added some new slides for delayed allocation and
> | direct i/o and fixed some XML formatting for command line examples.
> 
> I asked our tech pubs editor for comments.  Lori always has good
> editing
> advice.
> 
> ----- Forwarded message from Lachlan McIlroy <lmcilroy@xxxxxxxxxx>
> -----
> 
> +                                     Extended attributes (ie Access Control 
> Lists)
>                                                              ^^
>                                                            such as
> 
> 
> +                                     Extent based allocation (incl. 
> unwritten extents)
>                                                                 
> ^^^^^
>                                                                including
> 
> 
>               <listitem><para>Filesystem blocks are comprised of one or more
> device-level sectors.</para></listitem>
>                                                     ^^^^^^^^^
>                                                     composed
> 
> 
> +             <listitem><para>Through direct IOs of specific alignment (ie 
> stripe
> boundaries)</para></listitem>
>                                                                       
>    ^^
>                                                                         such 
> as
> 
> +                     <listitem><para>free block count is 
> decremented</para></listitem>
>                                        
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>                                       decrements free block count
> 
> 
> +             <listitem><para>Reduces fragmentation by combining writes and
> allocating extents in large chunks</para></listitem>
>                                 ^^^^^^^^^^^^^^^^^^^^^
>                               Fragmentation is reduced
> 
> 
> +             <listitem><para>Files written randomly (ie memory mapped) can 
> now
> be allocated contiguously</para></listitem>
>                                                         ^^
>                                                       such as those that are
> 
> 
> +             <listitem><para>Data does not pass through the file system
> cache</para></listitem>
>                                                               
> ^^^^^^^^^^^
>                                                              filesystem
> 
> 
> 
> +             <listitem><para>Backup programs can work without polluting the 
> page
> cache</para></listitem>
>                                                 ^^^
>                                               that can 
>                                                 or
>                                                 , so that they can
>                                               
>                                                ??     
> 
> +             <para>Direct I/O can align block allocations on strip unit/width
> boundaries</para>
>                                                                 ^^^^^
>                                                               stripe
>                                                                
>                                                                ?
> 
> 
> +             <listitem><para>In memory XFS inode used only by the
> filesystem</para></listitem>
>                                 ^^^^^^^^^
>                               In-memory
> 
> 
> +             <para>Log replay will apply filesystem and metadata changes 
> during
> mount that had been
>                                                                       
>             ^^^^^
>                                                                               
>    a mount
> 
> 
> 
> +             <para>mkfs.xfs supports a large number of options for 
> configurating
> many different XFS filesystems</para>
>                                                                      
> ^^^^^^^^^^^^^
>                                                                     
> configuring
> 
> 
> +             <listitem><para>Allocator will rotor data extents across
> allocations groups to leave room for inodes</para></listitem>
>                                                ^^^^
>                                              rotate ?
> 
> 
> +             <listitem><para>Only available on 64 bit
> machines</para></listitem>
>                                                   ^^^^^^
>                                                 64bit
>                                                 (to be consistent with other 
> uses here)
> 
> 
> +             <para>If neither of these two options are specified, then
> filesystem will behave as if
>                                                                       
>    ^^^^^^^^^^
>                                                                         the 
> filesystem
> 
> 
> 
> -- 
> Geoffrey Wehrman
> 
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