Anatol Belski 8e51c57aea tests: Add integration tests for virtio-blk DISCARD operations ...

Add comprehensive integration tests for DISCARD and WRITE_ZEROES:

Multiqueue stress tests verify concurrent operations across queues,
testing scattered writes with simultaneous fstrim, and write/discard
races that stress refcount table locking.

Format specific tests verify QCOW2 deallocates clusters after DISCARD,
raw files create holes using fallocate, and unsupported formats VHD
and VHDX correctly reject DISCARD requests.

Tests for sparse=off verify raw files preallocate full disk size and
QCOW2 uses zero flag instead of deallocating clusters.

Add helper functions to verify sparse files, count QCOW2 zero flagged
regions using qemu-img map, and verify guest reads zeros from
discarded regions.

Signed-off-by: Anatol Belski <anbelski@linux.microsoft.com>

2026-02-13 18:44:30 +00:00

..

src

misc: Fix mis-sorting of command line options

2025-12-20 07:11:11 +00:00

tests

tests: Add integration tests for virtio-blk DISCARD operations

2026-02-13 18:44:30 +00:00

build.rs

build: decouple Cargo.toml: split crate and workspace definitions

2025-12-09 16:13:10 +00:00

Cargo.toml

build: Bump the non-rust-vmm group across 2 directories with 14 updates

2026-01-20 01:29:32 +00:00