Kernel/Ext2: Allow checking for the presence of extended attributes

lanmonster · Jan 5, 2024 · 280d5fe · 280d5fe
1 parent bef9699
commit 280d5fe
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Showing 2 changed files with 15 additions and 0 deletions.
diff --git a/Kernel/FileSystem/Ext2FS/FileSystem.cpp b/Kernel/FileSystem/Ext2FS/FileSystem.cpp
@@ -214,6 +214,13 @@ u8 Ext2FS::internal_file_type_to_directory_entry_type(DirectoryEntryView const&
  }
 }
 
+Ext2FS::FeaturesOptional Ext2FS::get_features_optional() const
+{
+ if (m_super_block.s_rev_level > 0)
+ return static_cast<Ext2FS::FeaturesOptional>(m_super_block.s_feature_compat);
+ return Ext2FS::FeaturesOptional::None;
+}
+
 Ext2FS::FeaturesReadOnly Ext2FS::get_features_readonly() const
 {
  if (m_super_block.s_rev_level > 0)

diff --git a/Kernel/FileSystem/Ext2FS/FileSystem.h b/Kernel/FileSystem/Ext2FS/FileSystem.h
@@ -22,6 +22,13 @@ class Ext2FS final : public BlockBasedFileSystem {
  friend class Ext2FSInode;
 
 public:
+ // s_feature_compat
+ enum class FeaturesOptional : u32 {
+ None = 0,
+ ExtendedAttributes = EXT2_FEATURE_COMPAT_EXT_ATTR,
+ };
+ AK_ENUM_BITWISE_FRIEND_OPERATORS(FeaturesOptional);
+
  // s_feature_ro_compat
  enum class FeaturesReadOnly : u32 {
  None = 0,
@@ -43,6 +50,7 @@ class Ext2FS final : public BlockBasedFileSystem {
 
  virtual u8 internal_file_type_to_directory_entry_type(DirectoryEntryView const& entry) const override;
 
+ FeaturesOptional get_features_optional() const;
  FeaturesReadOnly get_features_readonly() const;
 
  virtual StringView class_name() const override { return "Ext2FS"sv; }