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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 /include/linux/libata.h
parentd9875690d9b89a866022ff49e3fcea892345ad92 (diff)
[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 'include/linux/libata.h')
-rw-r--r--include/linux/libata.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 64f90e17e51d..31a2853e9530 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -184,6 +184,7 @@ enum {
ATA_LFLAG_DISABLED = (1 << 6), /* link is disabled */
ATA_LFLAG_SW_ACTIVITY = (1 << 7), /* keep activity stats */
ATA_LFLAG_NO_LPM = (1 << 8), /* disable LPM on this link */
+ ATA_LFLAG_RST_ONCE = (1 << 9), /* limit recovery to one reset */
/* struct ata_port flags */
ATA_FLAG_SLAVE_POSS = (1 << 0), /* host supports slave dev */