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Support setattr guard

master
Vitaliy Filippov 2024-03-10 02:31:11 +03:00
parent 87310ef7bb
commit bb8ca6184e
1 changed files with 13 additions and 0 deletions
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13
src/nfs_kv_setattr.cpp
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@ -15,6 +15,7 @@ struct nfs_kv_setattr_state
rpc_op_t *rop = NULL;
uint64_t ino = 0;
uint64_t old_size = 0, new_size = 0;
std::string expected_ctime;
json11::Json::object set_attrs;
int res = 0, cas_res = 0;
std::string ientry_text;
@ -60,6 +61,16 @@ resume_1:
cb(-EINVAL);
return;
}
if (st->expected_ctime != "")
{
auto actual_ctime = (st->ientry["ctime"].is_null() ? st->ientry["mtime"] : st->ientry["ctime"]);
if (actual_ctime != st->expected_ctime)
{
auto cb = std::move(st->cb);
cb(NFS3ERR_NOT_SYNC);
return;
}
}
// Now we can update it
st->new_attrs = st->ientry.object_items();
st->old_size = st->ientry["size"].uint64_value();
@ -143,6 +154,8 @@ int kv_nfs3_setattr_proc(void *opaque, rpc_op_t *rop)
return 0;
}
st->ino = kv_fh_inode(fh);
if (args->guard.check)
st->expected_ctime = nfstime_to_str(args->guard.obj_ctime);
if (args->new_attributes.size.set_it)
st->set_attrs["size"] = args->new_attributes.size.size;
if (args->new_attributes.mode.set_it)