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os/bluestore: optimize intrusive sets for size.

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Signed-off-by: Mark Nelson <mnelson@redhat.com>
This commit is contained in:
Mark Nelson 2016-10-04 15:04:36 -05:00
parent 16e6e349ef
commit ed4591c595
1 changed files with 2 additions and 2 deletions
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4
src/os/bluestore/BlueStore.h
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@ -405,7 +405,7 @@ public:
};
/// in-memory blob metadata and associated cached buffers (if any)
struct Blob : public boost::intrusive::set_base_hook<> {
struct Blob : public boost::intrusive::set_base_hook<boost::intrusive::optimize_size<true>> {
std::atomic_int nref = {0}; ///< reference count
int id = -1; ///< id, for spanning blobs only, >= 0
SharedBlobRef shared_blob; ///< shared blob state (if any)
@ -514,7 +514,7 @@ public:
typedef boost::intrusive::set<Blob> blob_map_t;
/// a logical extent, pointing to (some portion of) a blob
struct Extent : public boost::intrusive::set_base_hook<> {
struct Extent : public boost::intrusive::set_base_hook<boost::intrusive::optimize_size<true>> {
uint32_t logical_offset = 0; ///< logical offset
uint32_t blob_offset = 0; ///< blob offset
uint32_t length = 0; ///< length