directory lease handling perf bug

[Ralph Boehme]

Hi Steve,

On 4/9/25 12:08 AM, Steve French wrote:
> The dir_context passed into cifs_readdir() never seems to match the
> cached dir_ctxt pointer so we won't set cde->is_valid. On each call to
> cifs_readdir (for the same directory) it looks like ctx is different.

when doing some quick testing yesterday I had noticed that for a simple 
ls -l test the SMB2_FIND is not done on then  SMB2_CREATE that acquired 
the RH lease: I see two SMB2_CREATE on the directory, the first one 
grabs the RH lease and the second one is used for the query-dir. Guess 
that explains it?

-slow
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