linux-kernel - linux-next: manual merge of the vfs-miklos tree with the overlayfs tree and build failure

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Message-ID: <20170131111656.3e77663b@canb.auug.org.au>
Date:   Tue, 31 Jan 2017 11:16:56 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Miklos Szeredi <miklos@...redi.hu>
Cc:     linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
        Amir Goldstein <amir73il@...il.com>
Subject: linux-next: manual merge of the vfs-miklos tree with the overlayfs
 tree and build failure

Hi Miklos,

Today's linux-next merge of the vfs-miklos tree got a conflict in:

  fs/read_write.c

between commit:

  97e147358bea ("vfs: wrap write f_ops with file_{start,end}_write()")

from the overlayfs tree and various duplicated patches between v4.10-rc1
and the vfs-miklos tree.

Please clean up the vfs-miklos tree.

I fixed it up (I just used the former) 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.

I then got this build failure from my arm multi_v7_defconfig build:

In file included from /home/sfr/next/next/include/linux/seq_file.h:10:0,
                 from /home/sfr/next/next/include/linux/pinctrl/consumer.h:17,
                 from /home/sfr/next/next/include/linux/pinctrl/devinfo.h:21,
                 from /home/sfr/next/next/include/linux/device.h:24,
                 from /home/sfr/next/next/include/linux/dma-mapping.h:6,
                 from /home/sfr/next/next/arch/arm/kernel/asm-offsets.c:16:
/home/sfr/next/next/include/linux/fs.h:2566:19: error: redefinition of 'do_clone
_file_range'
 static inline int do_clone_file_range(struct file *file_in, loff_t pos_in,
                   ^
/home/sfr/next/next/include/linux/fs.h:1743:19: note: previous definition of 'do_clone_file_range' was here
 static inline int do_clone_file_range(struct file *file_in, loff_t pos_in,
                   ^

so I decided to just drop the vfs-miklos tree for today.
-- 
Cheers,
Stephen Rothwell