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

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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
11 changed files with 82 additions and 58 deletions
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8
Kernel/Process.cpp
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@ -1090,6 +1090,9 @@ int Process::sys$utime(const char* pathname, const Unix::utimbuf* buf)
auto descriptor = VFS::the().open(move(path), error, 0, cwd_inode()->identifier());
if (!descriptor)
return error;
auto& inode = *descriptor->inode();
if (inode.fs().is_readonly())
return -EROFS;
Unix::time_t atime;
Unix::time_t mtime;
if (buf) {
@ -1100,7 +1103,10 @@ int Process::sys$utime(const char* pathname, const Unix::utimbuf* buf)
mtime = now;
atime = now;
}
return descriptor->set_atime_and_mtime(atime, mtime);
inode.set_atime(atime);
inode.set_mtime(atime);
inode.flush_metadata();
return 0;
}
int Process::sys$access(const char* pathname, int mode)