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os/bluestore: remove intermediate key var to avoid string copy

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Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>
This commit is contained in:
xie xingguo 2016-12-23 16:56:33 +08:00
parent 69d57b77bd
commit 1e156feb9a
1 changed files with 1 additions and 2 deletions
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3
src/os/bluestore/BlueStore.cc
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@ -4608,9 +4608,8 @@ int BlueStore::fsck(bool deep)
it = db->get_iterator(PREFIX_OMAP);
if (it) {
for (it->lower_bound(string()); it->valid(); it->next()) {
string key = it->key();
uint64_t omap_head;
_key_decode_u64(key.c_str(), &omap_head);
_key_decode_u64(it->key().c_str(), &omap_head);
if (used_omap_head.count(omap_head) == 0) {
derr << __func__ << " found stray omap data on omap_head " << omap_head
<< dendl;