linux-kernel - Re: [PATCH] add check do_direct

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Message-ID: <20070727074457.GB25084@joejin-pc.cn.oracle.com>
Date:	Fri, 27 Jul 2007 15:44:57 +0800
From:	Joe Jin <joe.jin@...cle.com>
To:	Dave Young <hidave.darkstar@...il.com>
Cc:	Joe Jin <joe.jin@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org, jens.axboe@...cle.com,
	linux-kernel@...r.kernel.org, gurudas.pai@...cle.com,
	wen.gang.wang@...cle.com, Badari Pulavarty <pbadari@...ibm.com>,
	Zach Brown <zach.brown@...cle.com>
Subject: Re: [PATCH] add check do_direct_IO() return val

> If you are sure the problem is caused by EFAULT or ENOMEM , why not:

To this issue(wengang have posted the background), I hit it for 
do_direct_IO() return EFAULT caused the panic, however, the function
not only return these critical errors, maybe other error return like
EIO.

Thanks,
Joe
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