mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-04-26 14:28:49 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

Reworked Inode to have a dirty bit and subclass-implemented flush_metadata().

Browse source 
This way we can defer disk writes as long as we like. There's no automatic
flushing happening just yet.
This commit is contained in:
Andreas Kling 2018-12-19 21:56:45 +01:00
parent d506c857ab
commit 1f44cd9dd9
Notes: sideshowbarker 2024-07-19 16:08:01 +09:00
11 changed files with 82 additions and 58 deletions
Download patch file Download diff file Expand all files Collapse all files

31
VirtualFileSystem/Ext2FileSystem.cpp
View file

@ -304,6 +304,21 @@ void Ext2FSInode::populate_metadata() const
}
}
void Ext2FSInode::flush_metadata()
{
m_raw_inode.i_size = m_metadata.size;
m_raw_inode.i_mode = m_metadata.mode;
m_raw_inode.i_uid = m_metadata.uid;
m_raw_inode.i_gid = m_metadata.gid;
m_raw_inode.i_links_count = m_metadata.linkCount;
m_raw_inode.i_atime = m_metadata.atime;
m_raw_inode.i_ctime = m_metadata.ctime;
m_raw_inode.i_mtime = m_metadata.mtime;
m_raw_inode.i_dtime = m_metadata.dtime;
m_raw_inode.i_blocks = m_metadata.blockCount;
fs().write_ext2_inode(index(), m_raw_inode);
}
RetainPtr<Inode> Ext2FS::get_inode(InodeIdentifier inode) const
{
ASSERT(inode.fsid() == id());
@ -716,22 +731,6 @@ bool Ext2FS::modify_link_count(InodeIndex inode, int delta)
return write_ext2_inode(inode, *e2inode);
}
int Ext2FS::set_atime_and_mtime(InodeIdentifier inode, dword atime, dword mtime)
{
ASSERT(inode.fsid() == id());
auto e2inode = lookup_ext2_inode(inode.index());
if (!e2inode)
return -EIO;
dbgprintf("changing inode %u atime from %u to %u\n", inode.index(), e2inode->i_atime, atime);
dbgprintf("changing inode %u mtime from %u to %u\n", inode.index(), e2inode->i_mtime, mtime);
e2inode->i_mtime = mtime;
e2inode->i_atime = atime;
return write_ext2_inode(inode.index(), *e2inode);
}
bool Ext2FS::write_ext2_inode(unsigned inode, const ext2_inode& e2inode)
{
unsigned blockIndex;