This series fixes an image corruption bug that was introduced in commit
69f47505e ('block: avoid recursive block_status call if possible'),
first contained in the QEMU 4.1.0 release.This bug was reported by Michael Weiser on Launchpad: https://bugs.launchpad.net/qemu/+bug/1846427 v2: - Dropped the assertion in qcow2_cache_do_get() for now. Making sure that it actually holds true for all callers requires more work and getting the corruption fix in quickly is important. - Use atomic_read() and add comment to qemu_co_mutex_assert_locked() implementation [Denis] Kevin Wolf (2): coroutine: Add qemu_co_mutex_assert_locked() qcow2: Fix corruption bug in qcow2_detect_metadata_preallocation() include/qemu/coroutine.h | 15 +++++++++++++++ block/qcow2-refcount.c | 2 ++ block/qcow2.c | 3 ++- 3 files changed, 19 insertions(+), 1 deletion(-) -- 2.20.1
