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ram_fs: apply session policy to write / mtime ops

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This patch extends the distinction between read-only and writeable
sessions to packet-stream operations for WRITE and WRITE_TIMESTAMP.
This commit is contained in:
Norman Feske 2019-11-21 16:15:04 +01:00
parent 573b6d3345
commit 6e098a9d17
1 changed files with 10 additions and 5 deletions
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15
repos/os/src/server/ram_fs/main.cc
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@ -92,7 +92,11 @@ class Ram_fs::Session_component : public File_system::Session_rpc_object
if (packet.length() <= packet.size()) { if (packet.length() <= packet.size()) {
Locked_ptr<Node> node { open_node.node() }; Locked_ptr<Node> node { open_node.node() };
if (!node.valid()) if (!node.valid())
break; break;
if (_writeable == Session_writeable::READ_ONLY)
break;
res_length = node->write((char const *)tx_sink()->packet_content(packet), res_length = node->write((char const *)tx_sink()->packet_content(packet),
length, packet.position()); length, packet.position());
@ -113,10 +117,11 @@ class Ram_fs::Session_component : public File_system::Session_rpc_object
if (!node.valid()) if (!node.valid())
break; break;
packet.with_timestamp([&] (File_system::Timestamp const time) { if (_writeable == Session_writeable::WRITEABLE)
node->update_modification_time(time); packet.with_timestamp([&] (File_system::Timestamp const time) {
succeeded = true; node->update_modification_time(time);
}); succeeded = true;
});
break; break;
} }