From 1815a913c3b8dd7eaf90a919985f5f71f487e881 Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Sun, 15 Dec 2024 20:47:40 +0200
Subject: [PATCH] Kernel: Remove unnecessary hash map lookups

---
 kernel/kernel/FS/Ext2/FileSystem.cpp  | 5 +++--
 kernel/kernel/FS/Ext2/Inode.cpp       | 5 +++--
 kernel/kernel/FS/TmpFS/FileSystem.cpp | 5 +++--
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/kernel/kernel/FS/Ext2/FileSystem.cpp b/kernel/kernel/FS/Ext2/FileSystem.cpp
index a0cd180681..0495d49625 100644
--- a/kernel/kernel/FS/Ext2/FileSystem.cpp
+++ b/kernel/kernel/FS/Ext2/FileSystem.cpp
@@ -295,8 +295,9 @@ namespace Kernel
 		TRY(sync_superblock());
 
 		// remove inode from cache
-		if (m_inode_cache.contains(ino))
-			m_inode_cache.remove(ino);
+		auto it = m_inode_cache.find(ino);
+		if (it != m_inode_cache.end())
+			m_inode_cache.remove(it);
 
 		return {};
 	}
diff --git a/kernel/kernel/FS/Ext2/Inode.cpp b/kernel/kernel/FS/Ext2/Inode.cpp
index 87f42133b4..91c900df9a 100644
--- a/kernel/kernel/FS/Ext2/Inode.cpp
+++ b/kernel/kernel/FS/Ext2/Inode.cpp
@@ -24,8 +24,9 @@ namespace Kernel
 
 	BAN::ErrorOr<BAN::RefPtr<Ext2Inode>> Ext2Inode::create(Ext2FS& fs, uint32_t inode_ino)
 	{
-		if (fs.inode_cache().contains(inode_ino))
-			return fs.inode_cache()[inode_ino];
+		auto it = fs.inode_cache().find(inode_ino);
+		if (it != fs.inode_cache().end())
+			return it->value;
 
 		auto inode_location = TRY(fs.locate_inode(inode_ino));
 
diff --git a/kernel/kernel/FS/TmpFS/FileSystem.cpp b/kernel/kernel/FS/TmpFS/FileSystem.cpp
index 7de9ee0bb0..c78eac8d0a 100644
--- a/kernel/kernel/FS/TmpFS/FileSystem.cpp
+++ b/kernel/kernel/FS/TmpFS/FileSystem.cpp
@@ -68,8 +68,9 @@ namespace Kernel
 	{
 		LockGuard _(m_mutex);
 
-		if (m_inode_cache.contains(ino))
-			return m_inode_cache[ino];
+		auto it = m_inode_cache.find(ino);
+		if (it != m_inode_cache.end())
+			return it->value;
 
 		TmpInodeInfo inode_info;