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 | Fixed various spelling/grammar mistakes, updated outdated and/or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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