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add proper handling of '.' and '..' in LOOKUP procedure

Browse Source 
https://github.com/vitalif/vitastor/pull/95

By submitting this pull request, I accept Vitastor CLA
This commit is contained in:
ston3lu
2025-09-24 15:02:41 +03:00
committed by Vitaliy Filippov
parent 94ddf20667
commit 8a250f4fca
1 changed files with 75 additions and 0 deletions
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src/nfs/nfs_kv_lookup.cpp
+75
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@@ -23,6 +23,81 @@ int kv_nfs3_lookup_proc(void *opaque, rpc_op_t *rop)
rpc_queue_reply(rop); rpc_queue_reply(rop);
return 0; return 0;
} }
if (filename == ".")
{
kv_read_inode(self->parent, dir_ino, [=](int res, const std::string & value, json11::Json ientry)
{
if (res < 0)
{
*reply = (LOOKUP3res){ .status = vitastor_nfs_map_err(-res) };
rpc_queue_reply(rop);
return;
}
*reply = (LOOKUP3res){
.status = NFS3_OK,
.resok = (LOOKUP3resok){
.object = xdr_copy_string(rop->xdrs, kv_fh(dir_ino)),
.obj_attributes = {
.attributes_follow = 1,
.attributes = get_kv_attributes(self->parent, dir_ino, ientry),
},
},
};
rpc_queue_reply(rop);
});
return 1;
}
if (filename == "..")
{
kv_read_inode(self->parent, dir_ino, [=](int res, const std::string & value, json11::Json ientry)
{
if (res < 0)
{
*reply = (LOOKUP3res){ .status = vitastor_nfs_map_err(-res) };
rpc_queue_reply(rop);
return;
}
uint64_t parent_ino = ientry["parent_ino"].uint64_value();
if (parent_ino)
{
kv_read_inode(self->parent, parent_ino, [=](int res, const std::string & value, json11::Json parent_ientry)
{
if (res < 0)
{
*reply = (LOOKUP3res){ .status = vitastor_nfs_map_err(-res) };
rpc_queue_reply(rop);
return;
}
*reply = (LOOKUP3res){
.status = NFS3_OK,
.resok = (LOOKUP3resok){
.object = xdr_copy_string(rop->xdrs, kv_fh(parent_ino)),
.obj_attributes = {
.attributes_follow = 1,
.attributes = get_kv_attributes(self->parent, parent_ino, parent_ientry),
},
},
};
rpc_queue_reply(rop);
});
}
else
{
*reply = (LOOKUP3res){
.status = NFS3_OK,
.resok = (LOOKUP3resok){
.object = xdr_copy_string(rop->xdrs, kv_fh(dir_ino)),
.obj_attributes = {
.attributes_follow = 1,
.attributes = get_kv_attributes(self->parent, dir_ino, ientry),
},
},
};
rpc_queue_reply(rop);
}
});
return 1;
}
self->parent->db->get(kv_direntry_key(dir_ino, filename), [=](int res, const std::string & value) self->parent->db->get(kv_direntry_key(dir_ino, filename), [=](int res, const std::string & value)
{ {
if (res < 0) if (res < 0)