linux-kernel - Re: linux-next: manual merge of the ceph tree with Linus' tree

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Message-ID: <Pine.LNX.4.64.1201101732330.15859@cobra.newdream.net>
Date:	Tue, 10 Jan 2012 17:35:36 -0800 (PST)
From:	Sage Weil <sage@...dream.net>
To:	Al Viro <viro@...IV.linux.org.uk>
cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Alex Elder <elder@...amhost.com>
Subject: Re: linux-next: manual merge of the ceph tree with Linus' tree

On Wed, 11 Jan 2012, Al Viro wrote:
> On Wed, Jan 11, 2012 at 12:27:44PM +1100, Stephen Rothwell wrote:
> > Hi Sage,
> > 
> > Today's linux-next merge of the ceph tree got a conflict in
> > fs/ceph/super.c between commit 3c5184ef1216 ("ceph: d_alloc_root() may
> > fail") from Linus' tree and commit 26d913cdd955 ("ceph: always initialize
> > the dentry in open_root_dentry()") from the ceph tree.
> > 
> > I fixed it up (see below) and can carry the fix as necessary.
> 
> Ahem...  
> 
> >  +			root = d_obtain_alias(inode);
> >  +		}
> > + 		ceph_init_dentry(root);
> 
> What will happen if dentry returned by d_obtain_alias() had already existed?

ceph_init_dentry() bails out immediately if d_fsdata is non-NULL.

BTW, should I let Linus resolve this, or merge his master back into my 
tree, or rebase onto his master?

sage
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