[Libguestfs] [nbdkit PATCH 0/5] Another round of retry fixes

[Eric Blake]

I still don't have .prepare/.finalize working cleanly across reopen,
but did find a nasty bug where a botched assertion means we failed to
notice reads beyond EOF in both the xz and retry filter.

Refactoring backend.c will make .finalize work easier.

Eric Blake (5):
  xz: Avoid reading beyond EOF
  retry: Check size before transactions
  tests: Test retry when get_size values change
  server: Fix backend range check
  server: Refactor to drop connection_get_handle()

 server/internal.h                    |  66 +++++++------
 server/backend.c                     |  53 ++++++----
 server/connections.c                 |   2 +-
 server/filters.c                     |  70 +++++--------
 server/plugins.c                     | 142 ++++++++++-----------------
 server/protocol-handshake-newstyle.c |   4 +-
 filters/retry/retry.c                |  23 +++++
 filters/xz/xzfile.c                  |   4 +
 tests/Makefile.am                    |   2 +
 tests/test-retry-size.sh             | 101 +++++++++++++++++++
 10 files changed, 275 insertions(+), 192 deletions(-)
 create mode 100755 tests/test-retry-size.sh

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2.21.0