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Diffstat (limited to 'src/librbd/image/SetFlagsRequest.cc')
-rw-r--r-- | src/librbd/image/SetFlagsRequest.cc | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/librbd/image/SetFlagsRequest.cc b/src/librbd/image/SetFlagsRequest.cc new file mode 100644 index 00000000..a18c7499 --- /dev/null +++ b/src/librbd/image/SetFlagsRequest.cc @@ -0,0 +1,78 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include "librbd/image/SetFlagsRequest.h" +#include "common/dout.h" +#include "common/errno.h" +#include "cls/rbd/cls_rbd_client.h" +#include "librbd/ImageCtx.h" +#include "librbd/Utils.h" +#include "include/ceph_assert.h" + +#define dout_subsys ceph_subsys_rbd +#undef dout_prefix +#define dout_prefix *_dout << "librbd::image::SetFlagsRequest: " + +namespace librbd { +namespace image { + +using util::create_context_callback; +using util::create_rados_callback; + +template <typename I> +SetFlagsRequest<I>::SetFlagsRequest(I *image_ctx, uint64_t flags, + uint64_t mask, Context *on_finish) + : m_image_ctx(image_ctx), m_flags(flags), m_mask(mask), + m_on_finish(on_finish) { +} + +template <typename I> +void SetFlagsRequest<I>::send() { + send_set_flags(); +} + +template <typename I> +void SetFlagsRequest<I>::send_set_flags() { + CephContext *cct = m_image_ctx->cct; + ldout(cct, 20) << __func__ << dendl; + + RWLock::WLocker snap_locker(m_image_ctx->snap_lock); + std::vector<uint64_t> snap_ids; + snap_ids.push_back(CEPH_NOSNAP); + for (auto it : m_image_ctx->snap_info) { + snap_ids.push_back(it.first); + } + + Context *ctx = create_context_callback< + SetFlagsRequest<I>, &SetFlagsRequest<I>::handle_set_flags>(this); + C_Gather *gather_ctx = new C_Gather(cct, ctx); + + for (auto snap_id : snap_ids) { + librados::ObjectWriteOperation op; + cls_client::set_flags(&op, snap_id, m_flags, m_mask); + + librados::AioCompletion *comp = + create_rados_callback(gather_ctx->new_sub()); + int r = m_image_ctx->md_ctx.aio_operate(m_image_ctx->header_oid, comp, &op); + ceph_assert(r == 0); + comp->release(); + } + gather_ctx->activate(); +} + +template <typename I> +Context *SetFlagsRequest<I>::handle_set_flags(int *result) { + CephContext *cct = m_image_ctx->cct; + ldout(cct, 20) << __func__ << ": r=" << *result << dendl; + + if (*result < 0) { + lderr(cct) << "set_flags failed: " << cpp_strerror(*result) + << dendl; + } + return m_on_finish; +} + +} // namespace image +} // namespace librbd + +template class librbd::image::SetFlagsRequest<librbd::ImageCtx>; |