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authorDon Brace <don.brace@microsemi.com>2017-03-10 23:35:17 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2017-03-15 20:37:10 +0300
commit87b9e6aa87d9411f1059aa245c0c79976bc557ac (patch)
tree3f60cdf9d91ad830cf75f47e5980c3bb7f68dab9 /drivers/scsi/hpsa.h
parent85b29008d8af6d94a0723aaa8d93cfb6e041158b (diff)
downloadlinux-87b9e6aa87d9411f1059aa245c0c79976bc557ac.tar.xz
scsi: hpsa: limit outstanding rescans
Avoid rescan storms. No need to queue another if one is pending. Reviewed-by: Scott Benesh <scott.benesh@microsemi.com> Reviewed-by: Scott Teel <scott.teel@microsemi.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hpsa.h')
-rw-r--r--drivers/scsi/hpsa.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index bf6cdc106654..6f04f2ad4125 100644
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -201,6 +201,7 @@ struct ctlr_info {
dma_addr_t errinfo_pool_dhandle;
unsigned long *cmd_pool_bits;
int scan_finished;
+ u8 scan_waiting : 1;
spinlock_t scan_lock;
wait_queue_head_t scan_wait_queue;