[lustre-devel] [PATCH 12/22] ext4: add htree lock implementation

[NeilBrown]

On Sun, Jul 21 2019, James Simmons wrote:

> Used for parallel lookup

This needs more time for review than I have just now ...
I suspect the full EX,PW,PR,CW,CR locking is overkill, but
I won't know until I read the code (unlikely to happen this year).

Also, we need parallel lookups at the VFS level - I do have code for
that.

NeilBrown
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