This is perfectly valid for BTRFS and XFS, so let's leave this up to filesystems to check. Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx> Reviewed-by: David Sterba <dsterba@xxxxxxxx> Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html