From bd42998a6bcb9b1708dac9ca9876e3d304c16f3d Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Tue, 1 Apr 2014 17:08:44 +0200
Subject: [PATCH] ext4: add cross rename support

Implement RENAME_EXCHANGE flag in renameat2 syscall.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Reviewed-by: Jan Kara <jack@suse.cz>
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