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    SubjectRe: [PATCH 3/4 v2] ide: Implement disk shock protection support
    On Wednesday 17 September 2008 09:38:37 Elias Oltmanns wrote:
    > On user request (through sysfs), the IDLE IMMEDIATE command with UNLOAD
    > FEATURE as specified in ATA-7 is issued to the device and processing of
    > the request queue is stopped thereafter until the specified timeout
    > expires or user space asks to resume normal operation. This is supposed
    > to prevent the heads of a hard drive from accidentally crashing onto the
    > platter when a heavy shock is anticipated (like a falling laptop expected
    > to hit the floor). Port resets are deferred whenever a device on that
    > port is in the parked state.
    > Signed-off-by: Elias Oltmanns <>


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