ceph: don't leave ino field in ceph_mds_request_head uninitialized
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Message ID 20191113200348.141572-2-jlayton@kernel.org
State New
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Series
  • ceph: don't leave ino field in ceph_mds_request_head uninitialized
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Commit Message

Jeff Layton Nov. 13, 2019, 8:03 p.m. UTC
We currently just pass junk in this field unless we're retransmitting a
create, but in later patches, we'll need a mechanism to pass a delegated
inode number on an initial create request. Prepare for this by ensuring
this field is zeroed out.

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

Patch
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diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index e6a5a07a65e5..8f9f8b8a225a 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2348,6 +2348,7 @@  static struct ceph_msg *create_request_message(struct ceph_mds_client *mdsc,
 	head->op = cpu_to_le32(req->r_op);
 	head->caller_uid = cpu_to_le32(from_kuid(&init_user_ns, req->r_uid));
 	head->caller_gid = cpu_to_le32(from_kgid(&init_user_ns, req->r_gid));
+	head->ino = 0;
 	head->args = req->r_args;
 
 	ceph_encode_filepath(&p, end, ino1, path1);