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authorMark Lord <liml@rtr.ca>2008-04-23 22:36:25 -0400
committerJeff Garzik <jgarzik@redhat.com>2008-04-25 01:11:37 -0400
commita6116c9e60978a6deaa20691c67ffed727e50df1 (patch)
tree39d51e37b3d953ae9573e7418293ba8696efa133 /drivers/ata/libata-eh.c
parent1dc55e876182a13dcc5991c3aab893f38455d8a7 (diff)
libata-eh set tf flags in NCQ EH result_tf
Fix mis-reporting of NCQ errors by ensuring that result_tf->flags is properly initialized in libata-eh. This allows ata_gen_ata_sense() to report the failed block number correctly to SCSI after a media error during NCQ. This patch may also be a candidate for backporting to earlier kernels. Without this fix, SCSI will fail I/O on the entire request rather than just the bad sector. That can be bad for a request that was merged from many independent read reads from different tasks. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/libata-eh.c')
-rw-r--r--drivers/ata/libata-eh.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index d94359a24d4..61dcd0026c6 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -1402,6 +1402,7 @@ static void ata_eh_analyze_ncq_error(struct ata_link *link)
/* we've got the perpetrator, condemn it */
qc = __ata_qc_from_tag(ap, tag);
memcpy(&qc->result_tf, &tf, sizeof(tf));
+ qc->result_tf.flags = ATA_TFLAG_ISADDR | ATA_TFLAG_LBA | ATA_TFLAG_LBA48;
qc->err_mask |= AC_ERR_DEV | AC_ERR_NCQ;
ehc->i.err_mask &= ~AC_ERR_DEV;
}