[Bug 219362] USB SATA does not correctly shutdown the SSD upon poweroff causing data loss

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=219362

--- Comment #11 from gregkh@linuxfoundation.org ---
On Wed, Oct 09, 2024 at 10:08:41AM +0000, bugzilla-daemon@kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=219362
> 
> --- Comment #10 from Tomas Mudrunka (harviecz@gmail.com) ---
> Would it be appropriate solution to add new sysrq command to call
> device_shutdown().
> defined in drivers/base/core.c

That is the normal shutdown path (i.e. the syscall), please use that
instead if you wish to have devices shutdown correctly.

sysrq sync and shutdown is for extraordinary situations where the system
is broken and you are attempting to shut it down in a way that is better
than just pulling the power at that point in time.  Don't attempt to
turn it into something else.

thanks,

greg k-h

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