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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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4
Kernel/FileSystem/TmpFS.cpp
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@@ -108,12 +108,10 @@ ErrorOr<size_t> TmpFSInode::read_bytes(off_t offset, size_t size, UserOrKernelBu
ErrorOr<size_t> TmpFSInode::write_bytes(off_t offset, size_t size, UserOrKernelBuffer const& buffer, OpenFileDescription*)
{
MutexLocker locker(m_inode_lock);
VERIFY(m_inode_lock.is_locked());
VERIFY(!is_directory());
VERIFY(offset >= 0);
TRY(prepare_to_write_data());
off_t old_size = m_metadata.size;
off_t new_size = m_metadata.size;
if (static_cast<off_t>(offset + size) > new_size)