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-rw-r--r--src/librbd/io/ImageRequest.cc54
-rw-r--r--src/librbd/io/ImageRequest.h21
-rw-r--r--src/librbd/io/ObjectRequest.cc18
-rw-r--r--src/librbd/io/Types.h20
4 files changed, 38 insertions, 75 deletions
diff --git a/src/librbd/io/ImageRequest.cc b/src/librbd/io/ImageRequest.cc
index e4c41c229..fb9f8944e 100644
--- a/src/librbd/io/ImageRequest.cc
+++ b/src/librbd/io/ImageRequest.cc
@@ -473,7 +473,7 @@ void AbstractImageWriteRequest<I>::send_request() {
if (journaling) {
// in-flight ops are flushed prior to closing the journal
ceph_assert(image_ctx.journal != NULL);
- journal_tid = append_journal_event(m_synchronous);
+ journal_tid = append_journal_event();
}
// it's very important that IOContext is captured here instead of
@@ -518,22 +518,12 @@ void ImageWriteRequest<I>::assemble_extent(
}
template <typename I>
-uint64_t ImageWriteRequest<I>::append_journal_event(bool synchronous) {
+uint64_t ImageWriteRequest<I>::append_journal_event() {
I &image_ctx = this->m_image_ctx;
- uint64_t tid = 0;
- uint64_t buffer_offset = 0;
ceph_assert(!this->m_image_extents.empty());
- for (auto &extent : this->m_image_extents) {
- bufferlist sub_bl;
- sub_bl.substr_of(m_bl, buffer_offset, extent.second);
- buffer_offset += extent.second;
-
- tid = image_ctx.journal->append_write_event(extent.first, extent.second,
- sub_bl, synchronous);
- }
-
- return tid;
+ return image_ctx.journal->append_write_event(
+ this->m_image_extents, m_bl, false);
}
template <typename I>
@@ -566,22 +556,12 @@ void ImageWriteRequest<I>::update_stats(size_t length) {
}
template <typename I>
-uint64_t ImageDiscardRequest<I>::append_journal_event(bool synchronous) {
+uint64_t ImageDiscardRequest<I>::append_journal_event() {
I &image_ctx = this->m_image_ctx;
- uint64_t tid = 0;
ceph_assert(!this->m_image_extents.empty());
- for (auto &extent : this->m_image_extents) {
- journal::EventEntry event_entry(
- journal::AioDiscardEvent(extent.first,
- extent.second,
- this->m_discard_granularity_bytes));
- tid = image_ctx.journal->append_io_event(std::move(event_entry),
- extent.first, extent.second,
- synchronous, 0);
- }
-
- return tid;
+ return image_ctx.journal->append_discard_event(
+ this->m_image_extents, m_discard_granularity_bytes, false);
}
template <typename I>
@@ -717,21 +697,12 @@ void ImageFlushRequest<I>::send_request() {
}
template <typename I>
-uint64_t ImageWriteSameRequest<I>::append_journal_event(bool synchronous) {
+uint64_t ImageWriteSameRequest<I>::append_journal_event() {
I &image_ctx = this->m_image_ctx;
- uint64_t tid = 0;
ceph_assert(!this->m_image_extents.empty());
- for (auto &extent : this->m_image_extents) {
- journal::EventEntry event_entry(journal::AioWriteSameEvent(extent.first,
- extent.second,
- m_data_bl));
- tid = image_ctx.journal->append_io_event(std::move(event_entry),
- extent.first, extent.second,
- synchronous, 0);
- }
-
- return tid;
+ return image_ctx.journal->append_write_same_event(
+ this->m_image_extents, m_data_bl, false);
}
template <typename I>
@@ -768,8 +739,7 @@ void ImageWriteSameRequest<I>::update_stats(size_t length) {
}
template <typename I>
-uint64_t ImageCompareAndWriteRequest<I>::append_journal_event(
- bool synchronous) {
+uint64_t ImageCompareAndWriteRequest<I>::append_journal_event() {
I &image_ctx = this->m_image_ctx;
uint64_t tid = 0;
@@ -779,7 +749,7 @@ uint64_t ImageCompareAndWriteRequest<I>::append_journal_event(
extent.second,
m_cmp_bl,
m_bl,
- synchronous);
+ false);
return tid;
}
diff --git a/src/librbd/io/ImageRequest.h b/src/librbd/io/ImageRequest.h
index 2668c1acb..996c90a11 100644
--- a/src/librbd/io/ImageRequest.h
+++ b/src/librbd/io/ImageRequest.h
@@ -114,11 +114,6 @@ private:
template <typename ImageCtxT = ImageCtx>
class AbstractImageWriteRequest : public ImageRequest<ImageCtxT> {
-public:
- inline void flag_synchronous() {
- m_synchronous = true;
- }
-
protected:
using typename ImageRequest<ImageCtxT>::ObjectRequests;
@@ -127,8 +122,7 @@ protected:
const char *trace_name,
const ZTracer::Trace &parent_trace)
: ImageRequest<ImageCtxT>(image_ctx, aio_comp, std::move(image_extents),
- area, trace_name, parent_trace),
- m_synchronous(false) {
+ area, trace_name, parent_trace) {
}
void send_request() override;
@@ -144,11 +138,8 @@ protected:
const LightweightObjectExtent &object_extent, IOContext io_context,
uint64_t journal_tid, bool single_extent, Context *on_finish) = 0;
- virtual uint64_t append_journal_event(bool synchronous) = 0;
+ virtual uint64_t append_journal_event() = 0;
virtual void update_stats(size_t length) = 0;
-
-private:
- bool m_synchronous;
};
template <typename ImageCtxT = ImageCtx>
@@ -180,7 +171,7 @@ protected:
const LightweightObjectExtent &object_extent, IOContext io_context,
uint64_t journal_tid, bool single_extent, Context *on_finish) override;
- uint64_t append_journal_event(bool synchronous) override;
+ uint64_t append_journal_event() override;
void update_stats(size_t length) override;
private:
@@ -215,7 +206,7 @@ protected:
const LightweightObjectExtent &object_extent, IOContext io_context,
uint64_t journal_tid, bool single_extent, Context *on_finish) override;
- uint64_t append_journal_event(bool synchronous) override;
+ uint64_t append_journal_event() override;
void update_stats(size_t length) override;
int prune_object_extents(
@@ -283,7 +274,7 @@ protected:
const LightweightObjectExtent &object_extent, IOContext io_context,
uint64_t journal_tid, bool single_extent, Context *on_finish) override;
- uint64_t append_journal_event(bool synchronous) override;
+ uint64_t append_journal_event() override;
void update_stats(size_t length) override;
private:
bufferlist m_data_bl;
@@ -315,7 +306,7 @@ protected:
const LightweightObjectExtent &object_extent, IOContext io_context,
uint64_t journal_tid, bool single_extent, Context *on_finish) override;
- uint64_t append_journal_event(bool synchronous) override;
+ uint64_t append_journal_event() override;
void update_stats(size_t length) override;
aio_type_t get_aio_type() const override {
diff --git a/src/librbd/io/ObjectRequest.cc b/src/librbd/io/ObjectRequest.cc
index 6d246cdf3..fc1a96858 100644
--- a/src/librbd/io/ObjectRequest.cc
+++ b/src/librbd/io/ObjectRequest.cc
@@ -834,16 +834,17 @@ void ObjectListSnapsRequest<I>::handle_list_snaps(int r) {
end_snap_id, &diff, &end_size, &exists,
&clone_end_snap_id, &read_whole_object);
- if (read_whole_object ||
- (!diff.empty() &&
- ((m_list_snaps_flags & LIST_SNAPS_FLAG_WHOLE_OBJECT) != 0))) {
+ if (read_whole_object) {
ldout(cct, 1) << "need to read full object" << dendl;
- diff.clear();
diff.insert(0, image_ctx->layout.object_size);
+ exists = true;
end_size = image_ctx->layout.object_size;
clone_end_snap_id = end_snap_id;
- } else if (!exists) {
- end_size = 0;
+ } else if ((m_list_snaps_flags & LIST_SNAPS_FLAG_WHOLE_OBJECT) != 0 &&
+ !diff.empty()) {
+ ldout(cct, 20) << "expanding diff from " << diff << dendl;
+ diff.clear();
+ diff.insert(0, image_ctx->layout.object_size);
}
if (exists) {
@@ -863,7 +864,8 @@ void ObjectListSnapsRequest<I>::handle_list_snaps(int r) {
// clip diff to size of object (in case it was truncated)
interval_set<uint64_t> zero_interval;
- if (end_size < prev_end_size) {
+ if (end_size < prev_end_size &&
+ (m_list_snaps_flags & LIST_SNAPS_FLAG_WHOLE_OBJECT) == 0) {
zero_interval.insert(end_size, prev_end_size - end_size);
zero_interval.intersection_of(object_interval);
@@ -884,7 +886,7 @@ void ObjectListSnapsRequest<I>::handle_list_snaps(int r) {
<< "end_size=" << end_size << ", "
<< "prev_end_size=" << prev_end_size << ", "
<< "exists=" << exists << ", "
- << "whole_object=" << read_whole_object << dendl;
+ << "read_whole_object=" << read_whole_object << dendl;
// check if object exists prior to start of incremental snap delta so that
// we don't DNE the object if no additional deltas exist
diff --git a/src/librbd/io/Types.h b/src/librbd/io/Types.h
index 7c70986c5..03e9ffa3b 100644
--- a/src/librbd/io/Types.h
+++ b/src/librbd/io/Types.h
@@ -180,8 +180,9 @@ struct SparseExtent {
std::ostream& operator<<(std::ostream& os, const SparseExtent& state);
struct SparseExtentSplitMerge {
- SparseExtent split(uint64_t offset, uint64_t length, SparseExtent &se) const {
- return SparseExtent(se.state, se.length);
+ SparseExtent split(uint64_t offset, uint64_t length,
+ const SparseExtent& se) const {
+ return SparseExtent(se.state, length);
}
bool can_merge(const SparseExtent& left, const SparseExtent& right) const {
@@ -232,10 +233,10 @@ struct SparseBufferlistExtent : public SparseExtent {
struct SparseBufferlistExtentSplitMerge {
SparseBufferlistExtent split(uint64_t offset, uint64_t length,
- SparseBufferlistExtent& sbe) const {
+ const SparseBufferlistExtent& sbe) const {
ceph::bufferlist bl;
if (sbe.state == SPARSE_EXTENT_STATE_DATA) {
- bl.substr_of(bl, offset, length);
+ bl.substr_of(sbe.bl, offset, length);
}
return SparseBufferlistExtent(sbe.state, length, std::move(bl));
}
@@ -247,14 +248,13 @@ struct SparseBufferlistExtentSplitMerge {
SparseBufferlistExtent merge(SparseBufferlistExtent&& left,
SparseBufferlistExtent&& right) const {
+ ceph::bufferlist bl;
if (left.state == SPARSE_EXTENT_STATE_DATA) {
- ceph::bufferlist bl{std::move(left.bl)};
- bl.claim_append(std::move(right.bl));
- return SparseBufferlistExtent(SPARSE_EXTENT_STATE_DATA,
- bl.length(), std::move(bl));
- } else {
- return SparseBufferlistExtent(left.state, left.length + right.length, {});
+ bl.claim_append(left.bl);
+ bl.claim_append(right.bl);
}
+ return SparseBufferlistExtent(left.state, left.length + right.length,
+ std::move(bl));
}
uint64_t length(const SparseBufferlistExtent& sbe) const {
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 01:59:05 +0000