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kernel: Correctly register file times for more file systems and file types

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This commit is contained in:
apio 2023-12-04 20:42:17 +01:00
parent b619f717c8
commit 9b01b5a5db
Signed by: apio
GPG Key ID: B8A7D06E42258954
10 changed files with 38 additions and 21 deletions
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13
kernel/src/fs/VFS.h
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@ -35,6 +35,19 @@ namespace VFS
struct timespec atime;
struct timespec mtime;
struct timespec ctime;
void initialize_times()
{
g_realtime_clock.get_time(atime);
g_realtime_clock.get_time(ctime);
g_realtime_clock.get_time(mtime);
}
void update_mtime()
{
g_realtime_clock.get_time(mtime);
g_realtime_clock.get_time(ctime);
}
};
class Inode;

4
kernel/src/fs/devices/MasterPTY.cpp
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@ -27,12 +27,14 @@ Result<SharedPtr<VFS::Inode>> MasterPTY::create_pair(int index)
master->m_settings.c_cc[VQUIT] = '\x1c';
master->m_window.ws_col = 80;
master->m_window.ws_row = 25;
master->m_metadata.initialize_times();
slave->m_master = master.ptr();
slave->m_metadata.devid = luna_dev_makedev(DeviceRegistry::Terminal, index + 2);
slave->m_metadata.uid = Scheduler::current()->auth.euid;
slave->m_metadata.gid = Scheduler::current()->auth.egid;
slave->m_metadata.mode = 0620;
slave->m_metadata.initialize_times();
return (SharedPtr<VFS::Inode>)master;
}
@ -193,6 +195,8 @@ Result<usize> MasterPTY::write(const u8* buf, usize, usize length)
{
for (usize i = 0; i < length; i++) { TRY(handle_input(buf[i])); }
m_metadata.update_mtime();
return length;
}

1
kernel/src/fs/devices/PTYMultiplexer.cpp
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@ -6,6 +6,7 @@ PTYMultiplexer::PTYMultiplexer()
{
m_metadata.devid = luna_dev_makedev(DeviceRegistry::Terminal, 0);
m_metadata.mode = 0666;
m_metadata.initialize_times();
}
Result<SharedPtr<VFS::Inode>> PTYMultiplexer::open()

2
kernel/src/fs/devices/SlavePTY.cpp
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@ -31,6 +31,8 @@ Result<usize> SlavePTY::write(const u8* buf, usize, usize length)
TRY(m_master->m_buffer.append_data(buf, length));
m_metadata.update_mtime();
return length;
}

1
kernel/src/fs/devices/TTYLink.cpp
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@ -5,6 +5,7 @@ TTYLink::TTYLink()
{
m_metadata.devid = luna_dev_makedev(DeviceRegistry::Terminal, 1);
m_metadata.mode = 0666;
m_metadata.initialize_times();
}
Result<SharedPtr<VFS::Inode>> TTYLink::open()

4
kernel/src/fs/devpts/FileSystem.cpp
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@ -21,9 +21,7 @@ namespace DevPTS
root->set_fs(*fs, {});
root->set_inode_number();
root->m_metadata.mode = 0755;
g_realtime_clock.get_time(root->m_metadata.ctime);
g_realtime_clock.get_time(root->m_metadata.atime);
g_realtime_clock.get_time(root->m_metadata.mtime);
root->m_metadata.initialize_times();
fs->set_root(root);
TRY(g_devpts_instances.try_append(fs.ptr()));

4
kernel/src/fs/devpts/Inode.cpp
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@ -43,7 +43,7 @@ namespace DevPTS
inode->did_link();
g_realtime_clock.get_time(m_metadata.mtime);
m_metadata.update_mtime();
return {};
}
@ -61,7 +61,7 @@ namespace DevPTS
inode->did_unlink();
g_realtime_clock.get_time(m_metadata.mtime);
m_metadata.update_mtime();
return {};
}

16
kernel/src/fs/tmpfs/FileSystem.cpp
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@ -27,9 +27,7 @@ namespace TmpFS
inode->set_fs(*this, {});
inode->set_inode_number(m_next_inode_number++, {});
inode->m_metadata.mode = mode;
g_realtime_clock.get_time(inode->m_metadata.mtime);
g_realtime_clock.get_time(inode->m_metadata.atime);
g_realtime_clock.get_time(inode->m_metadata.ctime);
inode->m_metadata.initialize_times();
return (SharedPtr<VFS::Inode>)inode;
}
@ -39,9 +37,7 @@ namespace TmpFS
inode->set_fs(*this, {});
TRY(inode->set_link(link, {}));
inode->set_inode_number(m_next_inode_number++, {});
g_realtime_clock.get_time(inode->m_metadata.mtime);
g_realtime_clock.get_time(inode->m_metadata.atime);
g_realtime_clock.get_time(inode->m_metadata.ctime);
inode->m_metadata.initialize_times();
return (SharedPtr<VFS::Inode>)inode;
}
@ -56,9 +52,7 @@ namespace TmpFS
inode->set_fs(*this, {});
inode->set_inode_number(m_next_inode_number++, {});
inode->m_metadata.mode = mode;
g_realtime_clock.get_time(inode->m_metadata.mtime);
g_realtime_clock.get_time(inode->m_metadata.atime);
g_realtime_clock.get_time(inode->m_metadata.ctime);
inode->m_metadata.initialize_times();
return (SharedPtr<VFS::Inode>)inode;
}
@ -75,9 +69,7 @@ namespace TmpFS
// device ID atm.
inode->set_device_id(luna_dev_makedev(major, minor), {});
inode->m_metadata.mode = mode;
g_realtime_clock.get_time(inode->m_metadata.mtime);
g_realtime_clock.get_time(inode->m_metadata.atime);
g_realtime_clock.get_time(inode->m_metadata.ctime);
inode->m_metadata.initialize_times();
inode->m_metadata.size = device->size();
return (SharedPtr<VFS::Inode>)inode;

8
kernel/src/fs/tmpfs/Inode.cpp
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@ -45,7 +45,7 @@ namespace TmpFS
inode->did_link();
g_realtime_clock.get_time(m_metadata.mtime);
m_metadata.update_mtime();
return {};
}
@ -63,7 +63,7 @@ namespace TmpFS
inode->did_unlink();
g_realtime_clock.get_time(m_metadata.mtime);
m_metadata.update_mtime();
return {};
}
@ -118,7 +118,7 @@ namespace TmpFS
m_metadata.size = m_data_buffer.size();
g_realtime_clock.get_time(m_metadata.mtime);
m_metadata.update_mtime();
return length;
}
@ -133,7 +133,7 @@ namespace TmpFS
m_metadata.size = m_data_buffer.size();
g_realtime_clock.get_time(m_metadata.mtime);
m_metadata.update_mtime();
return {};
}

6
kernel/src/net/UnixSocket.cpp
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@ -5,10 +5,12 @@
UnixSocket::UnixSocket()
{
m_metadata.initialize_times();
}
UnixSocket::UnixSocket(UnixSocket* peer) : m_state(State::Connected), m_peer(peer)
{
m_metadata.initialize_times();
}
UnixSocket::~UnixSocket()
@ -41,6 +43,8 @@ Result<usize> UnixSocket::send(const u8* buf, usize length, int)
TRY(m_peer->m_data.append_data(buf, length));
m_peer->m_metadata.update_mtime();
return length;
}
@ -209,5 +213,7 @@ Result<SharedPtr<OpenFileDescription>> UnixSocket::accept(Registers* regs, int f
*addr = (struct sockaddr*)&peer->m_addr;
*addrlen = peer->m_addrlen;
m_metadata.update_mtime();
return description;
}