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Kernel/Ext2FS: Cache the root inode in a member variable

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We often get queried for the root inode, and it will always be cached
in memory anyway, so let's make Ext2FS::root_inode() fast by keeping
the root inode in a dedicated member variable.
This commit is contained in:
Andreas Kling 2021-07-18 01:29:54 +02:00
parent 9457d83986
commit 58c6d30f6a
4 changed files with 13 additions and 4 deletions
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Kernel/FileSystem/Mount.h
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@ -23,6 +23,7 @@ public:
Inode& guest() { return *m_guest; }
FileSystem const& guest_fs() const { return *m_guest_fs; }
FileSystem& guest_fs() { return *m_guest_fs; }
String absolute_path() const;