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authorDan Williams <dan.j.williams@intel.com>2012-06-21 23:41:41 -0700
committerJames Bottomley <JBottomley@Parallels.com>2012-08-24 13:04:08 +0400
commitca6d43b051b5a061b33c43303b6b4c93b46a34b5 (patch)
tree159875541331b8e087d058a107a6393f287511d0 /drivers/ata/libata-eh.c
parentd9875690d9b89a866022ff49e3fcea892345ad92 (diff)
downloadlinux-linaro-stable-ca6d43b051b5a061b33c43303b6b4c93b46a34b5.tar.gz
[SCSI] libata: reset once
Hotplug testing with libsas currently encounters a 55 second wait for link recovery to give up. In the case where the user trusts the response time of their devices permit the recovery attempts to be limited to one. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Jeff Garzik <jgarzik@redhat.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/ata/libata-eh.c')
-rw-r--r--drivers/ata/libata-eh.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 7d4535e989bf..100428dde421 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2623,6 +2623,8 @@ int ata_eh_reset(struct ata_link *link, int classify,
*/
while (ata_eh_reset_timeouts[max_tries] != ULONG_MAX)
max_tries++;
+ if (link->flags & ATA_LFLAG_RST_ONCE)
+ max_tries = 1;
if (link->flags & ATA_LFLAG_NO_HRST)
hardreset = NULL;
if (link->flags & ATA_LFLAG_NO_SRST)