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[blk-threaded - 7/12] block: add runtime updates on worker thread - #6130

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[blk-threaded - 7/12] block: add runtime updates on worker thread#6130
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@PierreBertholom

@PierreBertholom PierreBertholom commented Aug 18, 2026

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[7/12] part of the PR stack starting with #6123

Changes

Forward disk image updates to the worker.
Return the updated disk capacity required by the VMM to update config
space.
Wake the worker after the VMM handles a rate limiter timer event.

Forward disk image updates to the worker.
Return the updated disk capacity required by the VMM to update config
space.
Wake the worker after the VMM handles a rate limiter timer event.

Signed-off-by: Pierre Bertholom <pbertho@amazon.com>
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Codecov Report

❌ Patch coverage is 3.70370% with 78 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.29%. Comparing base (bccc3e7) to head (623be1e).

Files with missing lines Patch % Lines
src/vmm/src/devices/virtio/block/virtio/worker.rs 3.89% 74 Missing ⚠️
src/vmm/src/devices/virtio/block/virtio/device.rs 0.00% 4 Missing ⚠️
Additional details and impacted files
@@                     Coverage Diff                     @@
##           pbertho/blk-threaded-06    #6130      +/-   ##
===========================================================
- Coverage                    82.48%   82.29%   -0.20%     
===========================================================
  Files                          278      278              
  Lines                        31356    31430      +74     
===========================================================
  Hits                         25865    25865              
- Misses                        5491     5565      +74     
Flag Coverage Δ
5.10-m5n.metal 82.47% <3.70%> (-0.23%) ⬇️
5.10-m6a.metal 81.82% <3.70%> (-0.23%) ⬇️
5.10-m6g.metal 79.33% <3.70%> (-0.22%) ⬇️
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6.1-m8i.metal-48xl 82.50% <3.70%> (-0.23%) ⬇️
6.1-m8i.metal-96xl 82.50% <3.70%> (-0.22%) ⬇️
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6.18-m6a.metal 81.84% <3.70%> (-0.24%) ⬇️
6.18-m6g.metal 79.32% <3.70%> (-0.22%) ⬇️
6.18-m6i.metal 82.49% <3.70%> (-0.23%) ⬇️
6.18-m7a.metal-48xl 81.83% <3.70%> (-0.23%) ⬇️
6.18-m7g.metal 79.32% <3.70%> (-0.22%) ⬇️
6.18-m7i.metal-24xl 82.50% <3.70%> (-0.22%) ⬇️
6.18-m7i.metal-48xl 82.50% <3.70%> (-0.22%) ⬇️
6.18-m8g.metal-24xl 79.32% <3.70%> (-0.22%) ⬇️
6.18-m8g.metal-48xl 79.33% <3.70%> (-0.22%) ⬇️
6.18-m8i.metal-48xl 82.51% <3.70%> (-0.22%) ⬇️
6.18-m8i.metal-96xl 82.51% <3.70%> (-0.22%) ⬇️

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