Re: ceph: fix denial of service issue in ceph_update_snap_trace()

Hi Slava,

This looks like the right direction to me, but I have a couple of comments.

The Fixes tag seems to point at the later debug-log formatting change. The
WARN/remount path looks like it was introduced by:

  a68e564adcaa ("ceph: blocklist the kclient when receiving corrupted snap trace")

so I think that is the better Fixes target.

Also, since `cl` is already in scope here, could you use
`pr_warn_ratelimited_client()` instead of open-coding the `[client.%lld]`
prefix? That keeps the log format consistent with the adjacent
`pr_err_client()` and preserves the fsid in the message.

-- 
Alex Markuze