Re: [PATCH] fs: don't block write during exec on pre-content watched files

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On Wed, Dec 04, 2024 at 12:06:54PM +0100, Mateusz Guzik wrote:
> On Wed, Dec 04, 2024 at 11:56:39AM +0100, Christian Brauner wrote:
> > Only one question: The FMODE_FSNOTIFY_HSM(exe_file->f_mode) cannot
> > change once it's set, right?
> > 
> > The reason I'm asking is that we don't want to end up in a scenario
> > where we didn't block writecount in exe_file_deny_write_access() but
> > then unblock someone else's writecount in exe_file_allow_write_access().
> > 
> 
> What's what I brought up, turns out its fine and the code will get a
> comment to that extent.
> 
> see https://lore.kernel.org/linux-fsdevel/CAGudoHGzfjpukQ1QbuH=0Fot2vAWyrez-aVdO5Fum+330v-hmA@xxxxxxxxxxxxxx/

Thank you! Then it seems we're good to go.




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