Ext2FS: Don't reload already-cached block list when freeing inode

If we already have a cached copy of the inode's block list, we can use
that to free the blocks. No need to reload the list.

1 files changed, 4 insertions, 2 deletions

diff --git a/Kernel/FileSystem/Ext2FileSystem.cpp b/Kernel/FileSystem/Ext2FileSystem.cpp
index 4fcca1d199..c9247eb731 100644
--- a/Kernel/FileSystem/Ext2FileSystem.cpp
+++ b/Kernel/FileSystem/Ext2FileSystem.cpp
@@ -543,8 +543,10 @@ void Ext2FS::free_inode(Ext2FSInode& inode)
     dbgln_if(EXT2_DEBUG, "Ext2FS: Inode {} has no more links, time to delete!", inode.index());
 
     // Mark all blocks used by this inode as free.
-    auto block_list = block_list_for_inode(inode.m_raw_inode, true);
-    for (auto block_index : block_list) {
+    if (inode.m_block_list.is_empty())
+        inode.m_block_list = block_list_for_inode(inode.m_raw_inode, true);
+
+    for (auto block_index : inode.m_block_list) {
         VERIFY(block_index <= super_block().s_blocks_count);
         if (block_index.value()) {
             auto result = set_block_allocation_state(block_index, false);