[PATCH v13 51/59] ceph: disable copy offload on encrypted inodes

Jeff Layton
2022-04-06T00:44:39Z

If we have an encrypted inode, then the client will need to re-encrypt
the contents of the new object. Disable copy offload to or from
encrypted inodes.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
fs/ceph/file.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index f74563e11058..f9e775d6cdf0 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -2526,6 +2526,10 @@ static ssize_t __ceph_copy_file_range(struct file *src_file, loff_t src_off,
return -EOPNOTSUPP;
}

+ /* Every encrypted inode gets its own key, so we can't offload them */
+ if (IS_ENCRYPTED(src_inode) || IS_ENCRYPTED(dst_inode))
+ return -EOPNOTSUPP;
+
if (len < src_ci->i_layout.object_size)
return -EOPNOTSUPP; /* no remote copy will be done */

--
2.35.1