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os/ObjectStore.cc: prefer prefix ++operator for non-primitive types

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Prefer prefix ++operator for non-primitive types like iterators for
performance reasons. Prefix ++/-- operators avoid creating a temporary
copy.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
This commit is contained in:
Danny Al-Gaaf 2013-11-05 19:40:47 +01:00
parent 555e717795
commit a8e10d3d0a
1 changed files with 3 additions and 3 deletions

6
src/os/ObjectStore.cc
View File

@ -504,7 +504,7 @@ int ObjectStore::collection_list(coll_t c, vector<hobject_t>& o)
int ret = collection_list(c, go); int ret = collection_list(c, go);
if (ret == 0) { if (ret == 0) {
o.reserve(go.size()); o.reserve(go.size());
for (vector<ghobject_t>::iterator i = go.begin(); i != go.end() ; i++) for (vector<ghobject_t>::iterator i = go.begin(); i != go.end() ; ++i)
o.push_back(i->hobj); o.push_back(i->hobj);
} }
return ret; return ret;
@ -520,7 +520,7 @@ int ObjectStore::collection_list_partial(coll_t c, hobject_t start,
if (ret == 0) { if (ret == 0) {
*next = gnext.hobj; *next = gnext.hobj;
ls->reserve(go.size()); ls->reserve(go.size());
for (vector<ghobject_t>::iterator i = go.begin(); i != go.end() ; i++) for (vector<ghobject_t>::iterator i = go.begin(); i != go.end() ; ++i)
ls->push_back(i->hobj); ls->push_back(i->hobj);
} }
return ret; return ret;
@ -534,7 +534,7 @@ int ObjectStore::collection_list_range(coll_t c, hobject_t start, hobject_t end,
int ret = collection_list_range(c, gstart, gend, seq, &go); int ret = collection_list_range(c, gstart, gend, seq, &go);
if (ret == 0) { if (ret == 0) {
ls->reserve(go.size()); ls->reserve(go.size());
for (vector<ghobject_t>::iterator i = go.begin(); i != go.end() ; i++) for (vector<ghobject_t>::iterator i = go.begin(); i != go.end() ; ++i)
ls->push_back(i->hobj); ls->push_back(i->hobj);
} }
return ret; return ret;