ACK: [SRU][P/N/J:linux-azure][PATCH 0/1] Backport fix for Linux SMB directory contents caching

[Alessio Faina]

On Thu, Sep 25, 2025 at 11:26:02AM -0500, John Cabaj wrote:
> BugLink: https://bugs.launchpad.net/bugs/2125686
> 
> SRU Justification
> 
> [Impact]
> 
> * Microsoft requested patch to improve the SMB directory lease perf benefits for SMB client.
> 
> [Fix]
> 
> * Plucky: clean cherry-pick upstream 72dd7961a4bb: "smb: improve directory cache reuse for readdir operations"
> * Noble: clean cherry-pick upstream 72dd7961a4bb: "smb: improve directory cache reuse for readdir operations"
> * Jammy: clean cherry-pick upstream 72dd7961a4bb: "smb: improve directory cache reuse for readdir operations"
> 
> [Test Plan]
> 
> * Compile tested
> * Microsoft to test
> 
> [Regression potential]
> 
> * Changes are localized to SMB. Possible regressions could result in unexpected behavior of SMB driver.
> 
> [Other info]
> 
> * SF#00418846
> 
> Bharath SM (1):
>   smb: improve directory cache reuse for readdir operations
> 
>  fs/smb/client/cached_dir.h |  8 ++++----
>  fs/smb/client/readdir.c    | 28 +++++++++++++++-------------
>  2 files changed, 19 insertions(+), 17 deletions(-)
> 
> -- 
> 2.43.0
> 
> 
> -- 
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Acked-by: Alessio Faina <alessio.faina at canonical.com>