linux-kernel - Re: [PATCH 35/35] Unionfs: Extended Attributes support

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Date:	Fri, 8 Dec 2006 00:35:00 -0500
From:	Josef Sipek <jsipek@....cs.sunysb.edu>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
Cc:	"Josef 'Jeff' Sipek" <jsipek@...sunysb.edu>,
	linux-kernel@...r.kernel.org, torvalds@...l.org, akpm@...l.org,
	hch@...radead.org, viro@....linux.org.uk,
	linux-fsdevel@...r.kernel.org, mhalcrow@...ibm.com
Subject: Re: [PATCH 35/35] Unionfs: Extended Attributes support

On Thu, Dec 07, 2006 at 12:04:43PM +0100, Jan Engelhardt wrote:
> 
> On Dec 4 2006 07:31, Josef 'Jeff' Sipek wrote:
> 
> If the makefile contains
> 
> >--- a/fs/unionfs/Makefile
> >+++ b/fs/unionfs/Makefile
> >@@ -3,3 +3,5 @@ obj-$(CONFIG_UNION_FS) += unionfs.o
> > unionfs-y := subr.o dentry.o file.o inode.o main.o super.o \
> > 	stale_inode.o branchman.o rdstate.o copyup.o dirhelper.o \
> > 	rename.o unlink.o lookup.o commonfops.o dirfops.o sioq.o
> >+
> >+unionfs-$(CONFIG_UNION_FS_XATTR) += xattr.o
> 
> then you don't need
> 
> >--- a/fs/unionfs/copyup.c
> >+++ b/fs/unionfs/copyup.c
> >@@ -18,6 +18,75 @@
> > 
> > #include "union.h"
> > 
> >+#ifdef CONFIG_UNION_FS_XATTR
> 
> ^^ this, do you?.
 
Beware, copyup.c gets compiled all the time even when you don't have xattrs
enabled.
 
> >+#include "union.h"
> >+
> >+/* This is lifted from fs/xattr.c */
> >+void *xattr_alloc(size_t size, size_t limit)
> 
> Same as for init_inode_cache, possibly prefix with unionfs.

Right.

Josef "Jeff" Sipek.

-- 
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