Feature #39098 ยป 0001-MDS-only-take-linklock-in-unlink-if-client-doesn-t-h.patch
| src/mds/Server.cc | ||
|---|---|---|
|
lov.add_xlock(&dn->lock);
|
||
|
lov.add_wrlock(&diri->filelock);
|
||
|
lov.add_wrlock(&diri->nestlock);
|
||
|
lov.add_xlock(&in->linklock);
|
||
|
/*
|
||
|
* If the client issuing the unlink holds Lx caps, then we don't need the
|
||
|
* linklock. Just assume that it will update the link count accordingly.
|
||
|
*/
|
||
|
Capability *cap = in->get_client_cap(client);
|
||
|
if (!(cap->issued() & CEPH_CAP_LINK_EXCL))
|
||
|
lov.add_xlock(&in->linklock);
|
||
|
if (straydn) {
|
||
|
lov.add_wrlock(&straydn->get_dir()->inode->filelock);
|
||
|
lov.add_wrlock(&straydn->get_dir()->inode->nestlock);
|
||