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Kernel/FileSystem: Funnel calls to Inode::prepare_to_write_data method

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Instead of requiring each FileSystem implementation to call this method
when trying to write data, do the calls at 2 points to avoid further
calls (or lack of them due to not remembering to use it) at other files
and locations in the codebase.
This commit is contained in:
Liav A
2022-07-27 21:42:16 +03:00
committed by Linus Groh
parent 38bf7863d0
commit fcc0e4d538
6 changed files with 12 additions and 11 deletions
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7
Kernel/FileSystem/InodeFile.cpp
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@@ -42,7 +42,12 @@ ErrorOr<size_t> InodeFile::write(OpenFileDescription& description, u64 offset, U
if (Checked<off_t>::addition_would_overflow(offset, count))
return EOVERFLOW;
auto nwritten = TRY(m_inode->write_bytes(offset, count, data, &description));
size_t nwritten = 0;
{
MutexLocker locker(m_inode->m_inode_lock);
TRY(m_inode->prepare_to_write_data());
nwritten = TRY(m_inode->write_bytes(offset, count, data, &description));
}
if (nwritten > 0) {
auto mtime_result = m_inode->set_mtime(kgettimeofday().to_truncated_seconds());
Thread::current()->did_file_write(nwritten);