Compile out splice support from btrfs when the splice-family of syscalls is not
supported by the system (i.e. CONFIG_SYSCALL_SPLICE is undefined).
Signed-off-by: Pieter Smith <pieter@boesman.nl>
---
 fs/btrfs/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index d3afac2..68c2f0a 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -2704,7 +2704,7 @@ const struct file_operations btrfs_file_operations = {
 	.read		= new_sync_read,
 	.write		= new_sync_write,
 	.read_iter      = generic_file_read_iter,
-	.splice_read	= generic_file_splice_read,
+	SPLICE_READ_INIT(generic_file_splice_read)
 	.write_iter	= btrfs_file_write_iter,
 	.mmap		= btrfs_file_mmap,
 	.open		= generic_file_open,
-- 
1.9.1