vfs: combine the clone and dedupe into a single remap_file_range

Combine the clone_file_range and dedupe_file_range operations into a
single remap_file_range file operation dispatch since they're
fundamentally the same operation.  The differences between the two can
be made in the prep functions.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 2be00e873e92..9a963f061393 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -3269,8 +3269,7 @@ const struct file_operations btrfs_file_operations = {
 #ifdef CONFIG_COMPAT
         .compat_ioctl   = btrfs_compat_ioctl,
 #endif
-        .clone_file_range = btrfs_clone_file_range,
-        .dedupe_file_range = btrfs_dedupe_file_range,
+        .remap_file_range = btrfs_remap_file_range,
 };
 
 void __cold btrfs_auto_defrag_exit(void)