* Question on resize2fs with "combination of flex_bg and !resize_inode"
@ 2012-11-08 20:03 Mark Casey
2012-11-08 23:03 ` Theodore Ts'o
0 siblings, 1 reply; 2+ messages in thread
From: Mark Casey @ 2012-11-08 20:03 UTC (permalink / raw)
To: linux-ext4
Ted,
Regarding this patch to resize2fs:
http://permalink.gmane.org/gmane.comp.file-systems.ext4/7379
In reading the comment, I was wondering if this problem scenario can
also happen when shrinking an ext4 filesystem with this combination of
features, or if it is only likely to be a problem when growing it?
Thank you,
Mark
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Question on resize2fs with "combination of flex_bg and !resize_inode"
2012-11-08 20:03 Question on resize2fs with "combination of flex_bg and !resize_inode" Mark Casey
@ 2012-11-08 23:03 ` Theodore Ts'o
0 siblings, 0 replies; 2+ messages in thread
From: Theodore Ts'o @ 2012-11-08 23:03 UTC (permalink / raw)
To: Mark Casey; +Cc: linux-ext4
On Thu, Nov 08, 2012 at 02:03:38PM -0600, Mark Casey wrote:
> Regarding this patch to resize2fs:
> http://permalink.gmane.org/gmane.comp.file-systems.ext4/7379
>
> In reading the comment, I was wondering if this problem scenario can
> also happen when shrinking an ext4 filesystem with this combination
> of features, or if it is only likely to be a problem when growing
> it?
It's only a problem when growing the file system. The comment in the
patch explains the situation; when you are shrinking the file system,
there is never any need to move inode tables to make room for the new
block group descriptor blocks --- which are necessitated by the
additional block groups that come from growing the file system.
- Ted
^ permalink raw reply [flat|nested] 2+ messages in thread
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2012-11-08 20:03 Question on resize2fs with "combination of flex_bg and !resize_inode" Mark Casey
2012-11-08 23:03 ` Theodore Ts'o
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