8000 VFS name cache · Issue #7 · Keyronex/keyronex-archive · GitHub
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VFS name cache #7

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netbsduser opened this issue May 3, 2023 · 0 comments
Open

VFS name cache #7

netbsduser opened this issue May 3, 2023 · 0 comments

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@netbsduser
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Directory lookup is completely uncached at the moment and goes through the filesystem's lookup vnode op every time.

We want a namecache which can probably be a hashtable or tree attached to every directory vnode. Namecache elements should constitute references to vnodes which eliminates some lock ordering trickiness. A .. element can be pinned for every directory since the filesystems we care about don't permit directory hardlinks (which makes a parent element for non-directory vnodes more tricky.)
@netbsduser netbsduser mentioned this issue Jun 17, 2024
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@netbsduser netbsduser transferred this issue from Keyronex/Keyronex Jun 17, 2024
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