linux-kernel - Re: [PATCH] freezer.h uses task

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Message-Id: <20061208130155.c6cf85e1.akpm@osdl.org>
Date:	Fri, 8 Dec 2006 13:01:55 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Dave Kleikamp <shaggy@....vnet.ibm.com>
Cc:	Randy Dunlap <randy.dunlap@...cle.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] freezer.h uses task_struct fields

On Fri, 08 Dec 2006 08:31:11 -0600
Dave Kleikamp <shaggy@....vnet.ibm.com> wrote:

> > include/linux/freezer.h: In function 'frozen_process':
> > include/linux/freezer.h:55: error: dereferencing pointer to incomplete type
> > include/linux/freezer.h:55: error: dereferencing pointer to incomplete type
> > include/linux/freezer.h:55: error: 'PF_FREEZE' undeclared (first use in this function)
> > include/linux/freezer.h:55: error: 'PF_FROZEN' undeclared (first use in this function)
> > fs/jfs/jfs_txnmgr.c: In function 'freezing':
> > include/linux/freezer.h:18: warning: control reaches end of non-void function
> > make[2]: *** [fs/jfs/jfs_txnmgr.o] Error 1
> 
> Defining CONFIG_SMP or CONFIG_PREEMPT masks this problem (at least in
> jfs), since smp_lock.h will include sched.h when CONFIG_LOCK_KERNEL is
> defined, and smp_lock.h happens to be included by jfs_txngmr.c before
> freezer.h.
> 
> > 
> > Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
> 
> Acked-by: Dave Kleikamp <shaggy@...ux.vnet.ibm.com>

OK, thanks guys.  This is the sort of patch which I like to put
through a decent round of cross-compilation testing, so it's unlikely
to appear in mainline for 2-3 days.
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