Re: [PULL v3 00/21] Block layer patches

[Richard Henderson <richard.henderson@linaro.org>]

On 5/19/23 10:18, Kevin Wolf wrote:
> The following changes since commit d009607d08d22f91ca399b72828c6693855e7325:
> 
>    Revert "arm/kvm: add support for MTE" (2023-05-19 08:01:15 -0700)
> 
> are available in the Git repository at:
> 
>    https://repo.or.cz/qemu/kevin.git tags/for-upstream
> 
> for you to fetch changes up to 95fdd8db61848d31fde1d9b32da7f3f76babfa25:
> 
>    iotests: Test commit with iothreads and ongoing I/O (2023-05-19 19:16:53 +0200)
> 
> ----------------------------------------------------------------
> Block layer patches
> 
> - qcow2 spec: Rename "zlib" compression to "deflate"
> - Honour graph read lock even in the main thread + prerequisite fixes
> - aio-posix: do not nest poll handlers (fixes infinite recursion)
> - Refactor QMP blockdev transactions
> - graph-lock: Disable locking for now
> - iotests/245: Check if 'compress' driver is available
> 
> ----------------------------------------------------------------
> Akihiro Suda (1):
>        docs/interop/qcow2.txt: fix description about "zlib" clusters
> 
> Kevin Wolf (12):
>        block: Call .bdrv_co_create(_opts) unlocked
>        block/export: Fix null pointer dereference in error path
>        qcow2: Unlock the graph in qcow2_do_open() where necessary
>        qemu-img: Take graph lock more selectively
>        test-bdrv-drain: Take graph lock more selectively
>        test-bdrv-drain: Call bdrv_co_unref() in coroutine context
>        blockjob: Adhere to rate limit even when reentered early
>        graph-lock: Honour read locks even in the main thread
>        iotests/245: Check if 'compress' driver is available
>        graph-lock: Disable locking for now
>        nbd/server: Fix drained_poll to wake coroutine in right AioContext
>        iotests: Test commit with iothreads and ongoing I/O
> 
> Stefan Hajnoczi (2):
>        aio-posix: do not nest poll handlers
>        tested: add test for nested aio_poll() in poll handlers
> 
> Vladimir Sementsov-Ogievskiy (6):
>        blockdev: refactor transaction to use Transaction API
>        blockdev: transactions: rename some things
>        blockdev: qmp_transaction: refactor loop to classic for
>        blockdev: transaction: refactor handling transaction properties
>        blockdev: use state.bitmap in block-dirty-bitmap-add action
>        blockdev: qmp_transaction: drop extra generic layer

Test failure:

https://gitlab.com/qemu-project/qemu/-/jobs/4317480370#L3347

194              fail       [18:42:03] [18:42:05]   1.2s                 output mismatch 
(see /builds/qemu-project/qemu/build/tests/qemu-iotests/scratch/raw-file-194/194.out.bad)
--- /builds/qemu-project/qemu/tests/qemu-iotests/194.out
+++ /builds/qemu-project/qemu/build/tests/qemu-iotests/scratch/raw-file-194/194.out.bad
@@ -14,7 +14,6 @@
  {"return": {}}
  {"data": {"status": "setup"}, "event": "MIGRATION", "timestamp": {"microseconds": 
"USECS", "seconds": "SECS"}}
  {"data": {"status": "active"}, "event": "MIGRATION", "timestamp": {"microseconds": 
"USECS", "seconds": "SECS"}}
-{"data": {"status": "postcopy-active"}, "event": "MIGRATION", "timestamp": 
{"microseconds": "USECS", "seconds": "SECS"}}
  {"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": 
"USECS", "seconds": "SECS"}}
  Gracefully ending the `drive-mirror` job on source...


r~