diff options
Diffstat (limited to 'src/librbd/cache/pwl/ssd/Request.cc')
-rw-r--r-- | src/librbd/cache/pwl/ssd/Request.cc | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/librbd/cache/pwl/ssd/Request.cc b/src/librbd/cache/pwl/ssd/Request.cc new file mode 100644 index 000000000..e92e547c8 --- /dev/null +++ b/src/librbd/cache/pwl/ssd/Request.cc @@ -0,0 +1,63 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include "Request.h" + +#define dout_subsys ceph_subsys_rbd_pwl +#undef dout_prefix +#define dout_prefix *_dout << "librbd::cache::pwl::ssd::Request: " << this << " " \ + << __func__ << ": " + +namespace librbd { +namespace cache { +namespace pwl { +namespace ssd { + +template <typename T> +void C_WriteRequest<T>::setup_buffer_resources( + uint64_t *bytes_cached, uint64_t *bytes_dirtied, uint64_t *bytes_allocated, + uint64_t *number_lanes, uint64_t *number_log_entries, + uint64_t *number_unpublished_reserves) { + + *bytes_cached = 0; + *bytes_allocated = 0; + *number_log_entries = this->image_extents.size(); + + for (auto &extent : this->image_extents) { + *bytes_cached += extent.second; + *bytes_allocated += round_up_to(extent.second, MIN_WRITE_ALLOC_SSD_SIZE); + } + *bytes_dirtied = *bytes_cached; +} + +template <typename T> +std::ostream &operator<<(std::ostream &os, + const C_CompAndWriteRequest<T> &req) { + os << (C_WriteRequest<T>&)req + << "cmp_bl=" << req.cmp_bl << ", " + << "read_bl=" << req.read_bl << ", " + << "compare_succeeded=" << req.compare_succeeded << ", " + << "mismatch_offset=" << req.mismatch_offset; + return os; +} + +template <typename T> +void C_WriteSameRequest<T>::setup_buffer_resources( + uint64_t *bytes_cached, uint64_t *bytes_dirtied, uint64_t *bytes_allocated, + uint64_t *number_lanes, uint64_t *number_log_entries, + uint64_t *number_unpublished_reserves) { + ceph_assert(this->image_extents.size() == 1); + *number_log_entries = 1; + *bytes_dirtied = this->image_extents[0].second; + *bytes_cached = this->bl.length(); + *bytes_allocated = round_up_to(*bytes_cached, MIN_WRITE_ALLOC_SSD_SIZE); +} + +} // namespace ssd +} // namespace pwl +} // namespace cache +} // namespace librbd + +template class librbd::cache::pwl::ssd::C_WriteRequest<librbd::cache::pwl::AbstractWriteLog<librbd::ImageCtx> >; +template class librbd::cache::pwl::ssd::C_WriteSameRequest<librbd::cache::pwl::AbstractWriteLog<librbd::ImageCtx> >; +template class librbd::cache::pwl::ssd::C_CompAndWriteRequest<librbd::cache::pwl::AbstractWriteLog<librbd::ImageCtx> >; |