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Ext2FS: Free Ext2FSInodes when the last user releases them.

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The inode cache was keeping these alive forever. Added a cute little magic
trick to Retainable that calls T::one_retain_left() when the retain count
is decremented to 1.
This commit is contained in:
Andreas Kling
2019-01-01 02:38:09 +01:00
parent 42d9f18cae
commit 741349502f
Notes: sideshowbarker 2024-07-19 16:06:20 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/741349502fa
4 changed files with 26 additions and 1 deletions
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3
VirtualFileSystem/Ext2FileSystem.h
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@@ -21,6 +21,9 @@ public:
size_t size() const { return m_raw_inode.i_size; }
bool is_symlink() const { return isSymbolicLink(m_raw_inode.i_mode); }
// ^Inode (Retainable magic)
virtual void one_retain_left() override;
private:
// ^Inode
virtual ssize_t read_bytes(Unix::off_t, size_t, byte* buffer, FileDescriptor*) override;