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From: Ben Myers <bpm@sgi.com>
To: Eric Sandeen <sandeen@sandeen.net>
Cc: xfs-oss <xfs@oss.sgi.com>
Subject: Re: [PATCH] xfs: xfs: fallback to vmalloc for large buffers in xfs_compat_attrlist_by_handle
Date: Tue, 7 May 2013 19:01:41 -0500	[thread overview]
Message-ID: <20130508000141.GQ29359@sgi.com> (raw)
In-Reply-To: <51795612.3080806@sandeen.net>

On Thu, Apr 25, 2013 at 11:13:06AM -0500, Eric Sandeen wrote:
> Shamelessly copied from dchinner's:
> ad650f5b xfs: fallback to vmalloc for large buffers in xfs_attrmulti_attr_get
>     
> xfsdump uses a large buffer for extended attributes, which has a
> kmalloc'd shadow buffer in the kernel. This can fail after the
> system has been running for some time as it is a high order
> allocation. Add a fallback to vmalloc so that it doesn't require
> contiguous memory and so won't randomly fail while xfsdump is
> running.
> 
> This was done for xfs_attrlist_by_handle but
> xfs_compat_attrlist_by_handle (the 32-bit version) needs the same
> attention.
> 
> Signed-off-by: Eric Sandeen <sandeen@redhat.com>

Applied.

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  parent reply	other threads:[~2013-05-08  0:01 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-03 22:52 xfsdump having problems dumping attributes again (cannot allocate memory) Linda Walsh
2013-04-04  3:39 ` Linda Walsh
2013-04-04  3:52 ` Dave Chinner
2013-04-04  5:05   ` [PATCH] xfs: xfs: fallback to vmalloc for large buffers in xfs_attrlist_by_handle Eric Sandeen
2013-04-04  6:57     ` Linda Walsh
2013-04-16 13:37     ` Mark Tinguely
2013-04-25 16:13     ` [PATCH] xfs: xfs: fallback to vmalloc for large buffers in xfs_compat_attrlist_by_handle Eric Sandeen
2013-04-25 16:43       ` Mark Tinguely
2013-05-08  0:01       ` Ben Myers [this message]
2013-05-08  0:01     ` [PATCH] xfs: xfs: fallback to vmalloc for large buffers in xfs_attrlist_by_handle Ben Myers

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