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Re: TAKE 981498 - use KM_MAYFAIL in xfs_mountfs

To: "Lachlan McIlroy" <lachlan@xxxxxxx>
Subject: Re: TAKE 981498 - use KM_MAYFAIL in xfs_mountfs
From: "Bhagi rathi" <jahnu77@xxxxxxxxx>
Date: Wed, 6 Aug 2008 22:52:38 +0530
Cc: sgi.bugs.xfs@xxxxxxxxxxxx, xfs@xxxxxxxxxxx
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Why are we going to block for ever? Mounting a file-system
requires in-core log space buffers, reading of other buffers
which needs allocation of memory greater than per ag

I am trying to understand why xfs_perag_t? Mount/Unmount
are not frequent activities, it is better for them to succeed
if operating system can allocate memory and take them


On Wed, Aug 6, 2008 at 11:11 AM, Lachlan McIlroy <lachlan@xxxxxxx> wrote:

> use KM_MAYFAIL in xfs_mountfs
> Use KM_MAYFAIL for the m_perag allocation, we can deal with the error
> easily and blocking forever during mount is not a good idea either.
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> Date:  Wed Aug  6 15:40:44 AEST 2008
> Workarea:  redback.melbourne.sgi.com:/home/lachlan/isms/2.6.x-mm
> Inspected by:
> hch
> lachlan
> Author:  lachlan
> The following file(s) were checked into:
>  longdrop.melbourne.sgi.com:/isms/linux/2.6.x-xfs-melb
> Modid:  xfs-linux-melb:xfs-kern:31837a
> fs/xfs/xfs_mount.c - 1.445 - changed
> http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_mount.c.diff?r1=text&tr1=1.445&r2=text&tr2=1.444&f=h
>        - use KM_MAYFAIL in xfs_mountfs

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