# \[PATCH v5 5/9\] vfs: Copy shouldn't forbid ranges inside the same file

- From: Anna Schumaker \<hidden\>
- Date: 2015-09-30 17:27:14 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2015/09/100092
- Thread: https://ratatoskr.run/linux-nfs/2015/09/100085/t.md

```text
This is perfectly valid for BTRFS and XFS, so let's leave this up to
filesystems to check.

Signed-off-by: Anna Schumaker <redacted>
Reviewed-by: David Sterba <dsterba@suse.com>
Reviewed-by: Darrick J. Wong <redacted>
---
 fs/read_write.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/fs/read_write.c b/fs/read_write.c
index f3d6c48..8e7cb33 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -1371,10 +1371,6 @@ ssize_t vfs_copy_file_range(struct file *file_in, loff_t pos_in,
 	    file_in->f_path.mnt != file_out->f_path.mnt)
 		return -EXDEV;
 
-	/* forbid ranges in the same file */
-	if (inode_in == inode_out)
-		return -EINVAL;
-
 	if (len == 0)
 		return 0;
 
-- 
2.6.0

```