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authorTejun Heo <htejun@gmail.com>2007-10-26 16:19:26 +0900
committerJeff Garzik <jeff@garzik.org>2007-10-30 09:59:43 -0400
commite027bd36c146582cef382364e5c826db93d4427b (patch)
tree45f3d3db848a5bd44bcb2191db17cbfd30f4911a /drivers/ata/libata-eh.c
parentf90f0828e57e97cb1ff19520d252882cfc6fb3c0 (diff)
downloadop-kernel-dev-e027bd36c146582cef382364e5c826db93d4427b.zip
op-kernel-dev-e027bd36c146582cef382364e5c826db93d4427b.tar.gz
libata: implement and use ATA_QCFLAG_QUIET
Implement ATA_QCFLAG_QUIET which indicates that there's no need to report if the command fails with AC_ERR_DEV and set it for passthrough commands. Combined with previous changes, this now makes device errors for all direct commands reported directly to the issuer without going through EH actions and reporting. Note that EH is still invoked after non-IO device errors to determine the nature of the error and resume command execution (some controller requires special care after error to continue). It just performs default maintenance after error, examines what's going on, realizes that it's none of its business and reports the command failure without logging any error messages. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/libata-eh.c')
-rw-r--r--drivers/ata/libata-eh.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 3c6ad7d..8d64f8f 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -1878,7 +1878,9 @@ static void ata_eh_link_report(struct ata_link *link)
for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
- if (!(qc->flags & ATA_QCFLAG_FAILED) || qc->dev->link != link)
+ if (!(qc->flags & ATA_QCFLAG_FAILED) || qc->dev->link != link ||
+ ((qc->flags & ATA_QCFLAG_QUIET) &&
+ qc->err_mask == AC_ERR_DEV))
continue;
if (qc->flags & ATA_QCFLAG_SENSE_VALID && !qc->err_mask)
continue;
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