linux-kernel - Re: linux-next: manual merge of the xfs tree with the pidfd tree

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Date:   Sun, 14 Feb 2021 15:38:01 -0800
From:   "Darrick J. Wong" <djwong@...nel.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     David Chinner <david@...morbit.com>, linux-xfs@...r.kernel.org,
        Christian Brauner <christian.brauner@...ntu.com>,
        Christoph Hellwig <hch@....de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: manual merge of the xfs tree with the pidfd tree

On Mon, Feb 15, 2021 at 09:41:31AM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> On Mon, 8 Feb 2021 10:33:48 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> >
> > Today's linux-next merge of the xfs tree got a conflict in:
> > 
> >   fs/xfs/xfs_ioctl.c
> > 
> > between commit:
> > 
> >   f736d93d76d3 ("xfs: support idmapped mounts")
> > 
> > from the pidfd tree and commit:
> > 
> >   7317a03df703 ("xfs: refactor inode ownership change transaction/inode/quota allocation idiom")
> > 
> > from the xfs tree.
> > 
> > I fixed it up (see below) and can carry the fix as necessary. This
> > is now fixed as far as linux-next is concerned, but any non trivial
> > conflicts should be mentioned to your upstream maintainer when your tree
> > is submitted for merging.  You may also want to consider cooperating
> > with the maintainer of the conflicting tree to minimise any particularly
> > complex conflicts.

Oops, sorry, this email fell off my radar.  Your fixup looks good to me;
thanks for the reminder.

--D

> > 
> > diff --cc fs/xfs/xfs_ioctl.c
> > index 3d4c7ca080fb,248083ea0276..000000000000
> > --- a/fs/xfs/xfs_ioctl.c
> > +++ b/fs/xfs/xfs_ioctl.c
> > @@@ -1280,9 -1275,9 +1280,10 @@@ xfs_ioctl_setattr_prepare_dax
> >    */
> >   static struct xfs_trans *
> >   xfs_ioctl_setattr_get_trans(
> > - 	struct file		*file)
> >  -	struct xfs_inode	*ip,
> > ++	struct file		*file,
> > + 	struct xfs_dquot	*pdqp)
> >   {
> >  +	struct xfs_inode	*ip = XFS_I(file_inode(file));
> >   	struct xfs_mount	*mp = ip->i_mount;
> >   	struct xfs_trans	*tp;
> >   	int			error = -EROFS;
> > @@@ -1470,9 -1461,9 +1469,9 @@@ xfs_ioctl_setattr
> >   
> >   	xfs_ioctl_setattr_prepare_dax(ip, fa);
> >   
> > - 	tp = xfs_ioctl_setattr_get_trans(file);
> >  -	tp = xfs_ioctl_setattr_get_trans(ip, pdqp);
> > ++	tp = xfs_ioctl_setattr_get_trans(file, pdqp);
> >   	if (IS_ERR(tp)) {
> > - 		code = PTR_ERR(tp);
> > + 		error = PTR_ERR(tp);
> >   		goto error_free_dquots;
> >   	}
> >   
> > @@@ -1615,7 -1599,7 +1606,7 @@@ xfs_ioc_setxflags
> >   
> >   	xfs_ioctl_setattr_prepare_dax(ip, &fa);
> >   
> > - 	tp = xfs_ioctl_setattr_get_trans(filp);
> >  -	tp = xfs_ioctl_setattr_get_trans(ip, NULL);
> > ++	tp = xfs_ioctl_setattr_get_trans(filp, NULL);
> >   	if (IS_ERR(tp)) {
> >   		error = PTR_ERR(tp);
> >   		goto out_drop_write;
> 
> With the merge window about to open, this is a reminder that this
> conflict still exists.
> 
> -- 
> Cheers,
> Stephen Rothwell