[PATCH 0/7] Intro: convert lockd to kthread and fix use-after-free (try #2)

[Jeff Layton]

This is the second patchset to fix the use-after-free problem in lockd,
and to convert lockd to use the kthread API instead of kernel_thread.
The main change from the last patchset is that svc_prepare_thread is
now exported and svc_create_kthread no longer calls it. The caller of
svc_create_kthread must now call it (or do the equivalent to set up
the svc_rqst.

Tested against the reproducer I have for the main issue (detailed in
patch #7). As always, comments and suggestions are appreciated.

Signed-off-by: Jeff Layton <jlayton at redhat.com>