Ceph » rbd

If the object-map feature is disabled while there is in-flight IO, there is a possibility that the ObjectMap contains one or more detained writes that might complete after the instance has been destroyed. Delay the close until after all detained IO has been released.

http://qa-proxy.ceph.com/teuthology/trociny-2020-06-18_09:19:50-rbd-wip-mgolub-testing-distro-basic-smithi/5160316/teuthology.log

#0  0x00007f06e47c7fa0 in __GI___pthread_mutex_lock (mutex=0x8) at ../nptl/pthread_mutex_lock.c:65
#1  0x00007f06da2e869d in __gthread_mutex_lock (__mutex=0x8) at /usr/include/x86_64-linux-gnu/c++/7/bits/gthr-default.h:748
#2  0x00007f06da2e869d in std::mutex::lock() (this=0x8) at /usr/include/c++/7/bits/std_mutex.h:103
#3  0x00007f06da2e869d in std::lock_guard<std::mutex>::lock_guard(std::mutex&) (__m=..., this=<synthetic pointer>) at /usr/include/c++/7/bits/std_mutex.h:162
#4  0x00007f06da2e869d in librbd::BlockGuard<librbd::ObjectMap<librbd::ImageCtx>::UpdateOperation>::release(librbd::BlockGuardCell*, std::__cxx11::list<librbd::ObjectMap<librbd::ImageCtx>::UpdateOperation, std::allocator<librbd::ObjectMap<librbd::ImageCtx>::UpdateOperation> >*) (this=0x0, cell=cell@entry=0x7f06787b23f0, block_operations=block_operations@entry=0x7f069a7fb6b0) at ./src/librbd/BlockGuard.h:113
#5  0x00007f06da2ece39 in librbd::ObjectMap<librbd::ImageCtx>::handle_detained_aio_update(librbd::BlockGuardCell*, int, Context*) (this=0x5557524ada10, cell=0x7f06787b23f0, r=0, on_finish=0x7f067800a070)
    at ./src/librbd/ObjectMap.cc:307
#6  0x00007f06da4e17fc in Context::complete(int) (r=<optimized out>, this=0x7f0684015cf0) at ./src/include/Context.h:99
#7  0x00007f06da4e17fc in librbd::AsyncRequest<librbd::ImageCtx>::finish(int) (r=0, this=0x7f069407a720) at ./src/librbd/AsyncRequest.h:60
#8  0x00007f06da4e17fc in librbd::AsyncRequest<librbd::ImageCtx>::finish_and_destroy(int) (this=0x7f069407a720, r=0) at ./src/librbd/AsyncRequest.h:54
#9  0x00007f06da4e18c6 in Context::complete(int) (r=<optimized out>, this=0x555752eb5a40) at ./src/include/Context.h:99
#10 0x00007f06da4e18c6 in librbd::AsyncRequest<librbd::ImageCtx>::finish(int) (r=0, this=0x5557537738f0) at ./src/librbd/AsyncRequest.h:60
#11 0x00007f06da4e18c6 in librbd::AsyncRequest<librbd::ImageCtx>::finish_and_destroy(int) (r=0, this=0x5557537738f0) at ./src/librbd/AsyncRequest.h:54
#12 0x00007f06da4e18c6 in librbd::AsyncRequest<librbd::ImageCtx>::complete(int) (r=<optimized out>, this=0x5557537738f0) at ./src/librbd/AsyncRequest.h:25
#13 0x00007f06da4e18c6 in librbd::util::detail::rados_callback<librbd::AsyncRequest<librbd::ImageCtx> >(void*, void*) (c=<optimized out>, arg=0x5557537738f0) at ./src/librbd/Utils.h:27
#14 0x00007f06d9eaff47 in librados::CB_AioComplete::operator()() (this=<synthetic pointer>) at ./src/librados/AioCompletionImpl.h:140