X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Flibrbd%2Fio%2FAsyncOperation.cc;fp=src%2Fceph%2Fsrc%2Flibrbd%2Fio%2FAsyncOperation.cc;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=ca8daa4c098b18da111da17695548f715253d56f;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git diff --git a/src/ceph/src/librbd/io/AsyncOperation.cc b/src/ceph/src/librbd/io/AsyncOperation.cc deleted file mode 100644 index ca8daa4..0000000 --- a/src/ceph/src/librbd/io/AsyncOperation.cc +++ /dev/null @@ -1,84 +0,0 @@ -// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- -// vim: ts=8 sw=2 smarttab - -#include "librbd/io/AsyncOperation.h" -#include "librbd/ImageCtx.h" -#include "common/dout.h" -#include "common/WorkQueue.h" -#include "include/assert.h" - -#define dout_subsys ceph_subsys_rbd -#undef dout_prefix -#define dout_prefix *_dout << "librbd::io::AsyncOperation: " - -namespace librbd { -namespace io { - -namespace { - -struct C_CompleteFlushes : public Context { - ImageCtx *image_ctx; - std::list flush_contexts; - - explicit C_CompleteFlushes(ImageCtx *image_ctx, std::list &&flush_contexts) - : image_ctx(image_ctx), flush_contexts(std::move(flush_contexts)) { - } - void finish(int r) override { - RWLock::RLocker owner_locker(image_ctx->owner_lock); - while (!flush_contexts.empty()) { - Context *flush_ctx = flush_contexts.front(); - flush_contexts.pop_front(); - - ldout(image_ctx->cct, 20) << "completed flush: " << flush_ctx << dendl; - flush_ctx->complete(0); - } - } -}; - -} // anonymous namespace - -void AsyncOperation::start_op(ImageCtx &image_ctx) { - assert(m_image_ctx == NULL); - m_image_ctx = &image_ctx; - - ldout(m_image_ctx->cct, 20) << this << " " << __func__ << dendl; - Mutex::Locker l(m_image_ctx->async_ops_lock); - m_image_ctx->async_ops.push_front(&m_xlist_item); -} - -void AsyncOperation::finish_op() { - ldout(m_image_ctx->cct, 20) << this << " " << __func__ << dendl; - - { - Mutex::Locker l(m_image_ctx->async_ops_lock); - xlist::iterator iter(&m_xlist_item); - ++iter; - assert(m_xlist_item.remove_myself()); - - // linked list stored newest -> oldest ops - if (!iter.end() && !m_flush_contexts.empty()) { - ldout(m_image_ctx->cct, 20) << "moving flush contexts to previous op: " - << *iter << dendl; - (*iter)->m_flush_contexts.insert((*iter)->m_flush_contexts.end(), - m_flush_contexts.begin(), - m_flush_contexts.end()); - return; - } - } - - if (!m_flush_contexts.empty()) { - C_CompleteFlushes *ctx = new C_CompleteFlushes(m_image_ctx, - std::move(m_flush_contexts)); - m_image_ctx->op_work_queue->queue(ctx); - } -} - -void AsyncOperation::add_flush_context(Context *on_finish) { - assert(m_image_ctx->async_ops_lock.is_locked()); - ldout(m_image_ctx->cct, 20) << this << " " << __func__ << ": " - << "flush=" << on_finish << dendl; - m_flush_contexts.push_back(on_finish); -} - -} // namespace io -} // namespace librbd