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Date:	Sat, 01 Mar 2008 20:33:35 +0100
From:	Milan Broz <mbroz@...hat.com>
To:	device-mapper development <dm-devel@...hat.com>
CC:	Ritesh Raj Sarraf <rrs@...earchut.com>,
	Herbert Xu <herbert@...dor.apana.org.au>, dm-crypt@...ut.de,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	Alasdair G Kergon <agk@...hat.com>,
	Christophe Saout <christophe@...ut.de>
Subject: Re: [dm-devel] Re: 2.6.24 Kernel Soft Lock Up with heavy I/O in	dm-crypt

(the same patch for 2.6.24)

Milan
--
Add cond_resched() to prevent stuck in big bio processing.

Signed-off-by: Milan Broz <mbroz@...hat.com>
---
 drivers/md/dm-crypt.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6.24.3/drivers/md/dm-crypt.c
===================================================================
--- linux-2.6.24.3.orig/drivers/md/dm-crypt.c	2008-02-26 01:20:20.000000000 +0100
+++ linux-2.6.24.3/drivers/md/dm-crypt.c	2008-03-01 16:46:24.000000000 +0100
@@ -374,6 +374,7 @@ static int crypt_convert(struct crypt_co
 			break;
 
 		ctx->sector++;
+		cond_resched();
 	}
 
 	return r;


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