virt-v2v/0029-o-rhv-Wait-for-the-NBD-server-to-exit-to-avoid-a-rac.patch
Laszlo Ersek ef5fbb5721 input-xen: cover RHEL9 OpenSSL crypto settings
- Backport upstream ddab06d5eb99 [master] / 9e1c78a4dda8 [rhel-9.1].

- copy-patches.sh: rewrap patch formatting command, spell out "--patience"
  (already expected), then decrease churn by passing "--no-signature".

- Migrate earlier rhbz#2062360 %changelog entries to latest (=new) entry.

resolves: rhbz#2062360
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
2022-07-29 15:27:37 +02:00

34 lines
1.2 KiB
Diff

From f820585c37beb648ab856818179091349a604523 Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Fri, 15 Jul 2022 11:37:46 +0100
Subject: [PATCH] -o rhv: Wait for the NBD server to exit to avoid a race with
unmounting
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1953286#c26
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
(cherry picked from commit 2fbd578b4e6884a23063ad67ee36f02c4eb6c668)
---
output/output_rhv.ml | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/output/output_rhv.ml b/output/output_rhv.ml
index 15a2c14a..45f831e3 100644
--- a/output/output_rhv.ml
+++ b/output/output_rhv.ml
@@ -175,7 +175,14 @@ module RHV = struct
chmod filename 0o666
)
in
- output_to_local_file ~changeuid
+
+ (* We have to wait for the NBD server to exit rather than just
+ * killing it, otherwise it races with unmounting. See:
+ * https://bugzilla.redhat.com/show_bug.cgi?id=1953286#c26
+ *)
+ let on_exit_kill = Output.KillAndWait in
+
+ output_to_local_file ~changeuid ~on_exit_kill
output_alloc output_format filename size socket
) (List.combine disks filenames);