add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/ata/libata-eh.c
..
..
@@ -2703,18 +2703,11 @@
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 			postreset(slave, classes);
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 	}
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-	/*
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-	 * Some controllers can't be frozen very well and may set spurious
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-	 * error conditions during reset.  Clear accumulated error
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-	 * information and re-thaw the port if frozen.  As reset is the
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-	 * final recovery action and we cross check link onlineness against
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-	 * device classification later, no hotplug event is lost by this.
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-	 */
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+	/* clear cached SError */
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 	spin_lock_irqsave(link->ap->lock, flags);
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-	memset(&link->eh_info, 0, sizeof(link->eh_info));
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+	link->eh_info.serror = 0;
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 	if (slave)
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-		memset(&slave->eh_info, 0, sizeof(link->eh_info));
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-	ap->pflags &= ~ATA_PFLAG_EH_PENDING;
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+		slave->eh_info.serror = 0;
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 	spin_unlock_irqrestore(link->ap->lock, flags);
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 	if (ap->pflags & ATA_PFLAG_FROZEN)