Elias Oltmanns wrote: > We mustn't release the lock between pulling the actions into eh_context > and clearing eh_info, so I've designed ata_eh_pull_action() to be used > instead of ata_eh_about_to_do(). Yes, right again. :-) > What about the following patch? Also, I've slipped in a minor comment > fix to ata_eh_done() which probably doesn't warrant a separate patch; on > the other hand, mixing things like that isn't quite the right thing > either, so, perhaps I should drop it in the final version? Hmmm... I think either way is okay but there's no harm in splitting them. > From: Elias Oltmanns <eo@xxxxxxxxxxxxxx> > Subject: [PATCH] libata: Implement disk shock protection support > > 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). In fact, the whole port stops processing > commands until the timeout has expired in order to avoid any resets due > to failed commands on another device. > > Signed-off-by: Elias Oltmanns <eo@xxxxxxxxxxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
