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Kernel: Implement ext2 symlinks with >= 60 byte target

This commit is contained in:
Bananymous 2025-11-06 17:21:36 +02:00
parent bdf4423512
commit 979059c804
1 changed files with 9 additions and 4 deletions
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13
kernel/kernel/FS/Ext2/Inode.cpp
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@ -114,8 +114,11 @@ namespace Kernel
TRY(result.append(BAN::StringView(reinterpret_cast<const char*>(m_inode.block), m_inode.size))); TRY(result.append(BAN::StringView(reinterpret_cast<const char*>(m_inode.block), m_inode.size)));
return result; return result;
} }
dwarnln("TODO: ext2 get symlink target from {} byte inode", m_inode.size);
return BAN::Error::from_errno(ENOTSUP); BAN::String result;
TRY(result.resize(m_inode.size));
TRY(read_impl(0, { reinterpret_cast<uint8_t*>(result.data()), result.size() }));
return BAN::move(result);
} }
BAN::ErrorOr<void> Ext2Inode::set_link_target_impl(BAN::StringView target) BAN::ErrorOr<void> Ext2Inode::set_link_target_impl(BAN::StringView target)
@ -129,8 +132,10 @@ namespace Kernel
TRY(sync()); TRY(sync());
return {}; return {};
} }
dwarnln("TODO: ext2 set symlink target to {} bytes from {} byte inode", target.size(), m_inode.size);
return BAN::Error::from_errno(ENOTSUP); TRY(truncate_impl(target.size()));
TRY(write_impl(0, { reinterpret_cast<const uint8_t*>(target.data()), target.size() }));
return {};
} }
BAN::ErrorOr<size_t> Ext2Inode::read_impl(off_t offset, BAN::ByteSpan buffer) BAN::ErrorOr<size_t> Ext2Inode::read_impl(off_t offset, BAN::ByteSpan buffer)