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[libata] Drain data on errors
authorAlan Cox <alan@redhat.com>
Tue, 24 Mar 2009 10:23:19 +0000 (10:23 +0000)
committerJeff Garzik <jgarzik@redhat.com>
Wed, 25 Mar 2009 02:48:26 +0000 (22:48 -0400)
commit914703f877dd7002839584e9a0ba848136c3e6ab
tree82f4c85842e5e02489eb0533609dabb865e55198tree | snapshot
parent59e01ea175aed66813b597bfc66cae4ccd39e736commit | diff
[libata] Drain data on errors

If the device is signalling that there is data to drain after an error we
should read the bytes out and throw them away. Without this some devices
and controllers get wedged and don't recover.

Based on earlier work by Mark Lord

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
drivers/ata/libata-sff.c diff | blob | history
drivers/ata/pata_pcmcia.c diff | blob | history
include/linux/libata.h diff | blob | history
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