diff mbox

[02/16] BTRFS: Use VFS copy offload helper

Message ID 1441050606-40897-3-git-send-email-andros@netapp.com (mailing list archive)
State New, archived
Headers show

Commit Message

Andy Adamson Aug. 31, 2015, 7:49 p.m. UTC 
From: Andy Adamson <andros@netapp.com>

Signed-off-by: Andy Adamson <andros@netapp.com>
---
 fs/btrfs/ioctl.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox

Patch

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 62ae286..f8fa11f 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3856,6 +3856,9 @@  ssize_t btrfs_copy_file_range(struct file *file_in, loff_t pos_in,
 {
 	ssize_t ret;
 
+	ret = copy_offload_same_fs(file_in, file_out);
+	if (ret != 0)
+		return ret;
 	ret = btrfs_clone_files(file_out, file_in, pos_in, len, pos_out);
 	if (ret == 0)
 		ret = len;