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From: Dan Williams <dan.j.williams@intel.com>
Date: Wed, 11 Oct 2017 16:02:18 -0700
Message-ID: <CAPcyv4jhtkyzdLmUKVZDPsZ-MFZ20+SMUcgMXg2V2e0xZACg4g@mail.gmail.com>
Subject: Re: [PATCH 19/19] xfs: Add support for MAP_SYNC flag
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To: Jan Kara <jack@suse.cz>
Cc: linux-fsdevel <linux-fsdevel@vger.kernel.org>, linux-ext4 <linux-ext4@vger.kernel.org>, linux-xfs@vger.kernel.org, Christoph Hellwig <hch@infradead.org>, Ross Zwisler <ross.zwisler@linux.intel.com>, Ted Tso <tytso@mit.edu>, "Darrick J. Wong" <darrick.wong@oracle.com>

On Wed, Oct 11, 2017 at 1:06 PM, Jan Kara <jack@suse.cz> wrote:
> Now when everything is prepared, add support in xfs to accept MAP_SYNC
> as an mmap(2) flag.
>
> Signed-off-by: Jan Kara <jack@suse.cz>
> ---
>  fs/ext4/file.c    |  1 +
>  fs/xfs/xfs_file.c | 23 +++++++++++++++++++++++
>  2 files changed, 24 insertions(+)
>
> diff --git a/fs/ext4/file.c b/fs/ext4/file.c
> index f013cda84b3d..6b597cc6b29d 100644
> --- a/fs/ext4/file.c
> +++ b/fs/ext4/file.c
> @@ -26,6 +26,7 @@
>  #include <linux/quotaops.h>
>  #include <linux/pagevec.h>
>  #include <linux/uio.h>
> +#include <linux/mman.h>

I assume you wanted this change earlier in the series.