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[v2,0/2] block/io: Update BSC only if want_zero is true

Message ID 20220118170000.49423-1-hreitz@redhat.com
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Series block/io: Update BSC only if want_zero is true | expand

Message

Hanna Czenczek Jan. 18, 2022, 4:59 p.m. UTC 
Hi,

Cover letter from v1:
https://lists.nongnu.org/archive/html/qemu-block/2022-01/msg00314.html

In v2, I’ve added a comment to the new test explaining why we need to
pass --allocation-depth to qemu-nbd, as requested by Nir; and as he has
implied, using the short options is kind of silly because they are
anything but self-explanatory, so in v2, I’ve switched to exclusively
using long options for the qemu-nbd invocation.

(Also, added “Cc: qemu-stable” tag in patch 1.)

git-backport-diff against v1:

Key:
[----] : patches are identical
[####] : number of functional differences between upstream/downstream patch
[down] : patch is downstream-only
The flags [FC] indicate (F)unctional and (C)ontextual differences, respectively

001/2:[----] [--] 'block/io: Update BSC only if want_zero is true'
002/2:[0013] [FC] 'iotests/block-status-cache: New test'


Hanna Reitz (2):
  block/io: Update BSC only if want_zero is true
  iotests/block-status-cache: New test

 block/io.c                                    |   6 +-
 tests/qemu-iotests/tests/block-status-cache   | 139 ++++++++++++++++++
 .../qemu-iotests/tests/block-status-cache.out |   5 +
 3 files changed, 149 insertions(+), 1 deletion(-)
 create mode 100755 tests/qemu-iotests/tests/block-status-cache
 create mode 100644 tests/qemu-iotests/tests/block-status-cache.out