On 9/13/24 7:39 PM, Andrey Drobyshev wrote: > v2: https://lists.nongnu.org/archive/html/qemu-devel/2024-05/msg02396.html > > v2 -> v3: > * Added patch 12/12 "qcow2: add discard-subclusters option" which > makes subcluster-based discards optional; > * Added a bunch of R-b's. > > Andrey Drobyshev (12): > qcow2: make function update_refcount_discard() global > qcow2: simplify L2 entries accounting for discard-no-unref > qcow2: put discard requests in the common queue when discard-no-unref > enabled > block/file-posix: add trace event for fallocate() calls > iotests/common.rc: add disk_usage function > iotests/290: add test case to check 'discard-no-unref' option behavior > qcow2: add get_sc_range_info() helper for working with subcluster > ranges > qcow2: zeroize the entire cluster when there're no non-zero > subclusters > qcow2: make subclusters discardable > qcow2: zero_l2_subclusters: fall through to discard operation when > requested > iotests/271: add test cases for subcluster-based discard/unmap > qcow2: add discard-subclusters option > > block/file-posix.c | 1 + > block/qcow2-cluster.c | 346 ++++++++++++++++++++++++++++------- > block/qcow2-refcount.c | 8 +- > block/qcow2-snapshot.c | 6 +- > block/qcow2.c | 44 +++-- > block/qcow2.h | 8 +- > block/trace-events | 1 + > tests/qemu-iotests/250 | 5 - > tests/qemu-iotests/271 | 74 ++++++-- > tests/qemu-iotests/271.out | 69 ++++++- > tests/qemu-iotests/290 | 34 ++++ > tests/qemu-iotests/290.out | 28 +++ > tests/qemu-iotests/common.rc | 6 + > 13 files changed, 513 insertions(+), 117 deletions(-) >
Friendly ping
