APPLIED: [focal:linux-azure][PATCH 0/2] LP:#1911438 - CIFS: Request for backport

[Marcelo Henrique Cerri]

Applied. Thanks!

On Mon, Jan 25, 2021 at 02:52:32PM -0300, Marcelo Henrique Cerri wrote:
> BugLink: https://bugs.launchpad.net/bugs/1911438
> 
> We can apply those fixes to the primary kernels as well, but I would
> like to include them as soon as possible to the Azure kernels. Thaat's
> the reason I'm targeting linux-azure for now.
> 
> The patches are already in stable in version v5.4.91~54 and they will
> be included later to the primary kernels via our stable updates.
> 
> As bug description:
> 
> [Impact]
> 
> Microsoft CIFS team requested below patches to be backported (it was marked for stable last month) to Ubuntu 18.04 and newer.
> 
> 6988a619f5b7 "cifs: allow syscalls to be restarted in __smb_send_rqst()"
> 2659d3bff3e1 cifs: fix interrupted close commands
> 
> Since 6988a619f5b79e4efadea6e19dcfe75fbcd350b5 hasn't been picked up for 5.4.0-1031-azure (the current 18.04 kernel version for Azure image), I would like make a request for backport.
> 
> [Test Case]
> 
> Since those are small improvements a basic smoke test can be used to avoid regressions:
> 
> 1. Install cifs-utils and dbench:
> 
>   $ sudo apt-get install cifs-utils dbench
> 
> 2. Mount a CIFS share using:
> 
>    $ sudo mount -t cifs -o username=REMOTEUSER \\remoteip\path\to\shared\folder /mnt
> 
> 3. Run dbench and check for regressions:
> 
>    $ cd /mnt; dbench 20 -t 120 -D .
> 
> [Where problems could occur]
> 
> The regression potential is restricted to the ability of mounting and accessing CIFS volumes.
> 
> 
> ---
> Paulo Alcantara (2):
>   cifs: allow syscalls to be restarted in __smb_send_rqst()
>   cifs: fix interrupted close commands
> 
>  fs/cifs/smb2pdu.c   | 2 +-
>  fs/cifs/transport.c | 4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> -- 
> 2.25.1
> 

-- 
Regards,
Marcelo

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