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| author | Don Brace <don.brace@microsemi.com> | 2017-03-10 23:35:17 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-20 12:07:22 +0300 |
| commit | 0f07e7611184cd78a26dd1fbf13513264896cdac (patch) | |
| tree | 9c16cd18f46fdc0647b8ed929e97e30bf2663e90 /drivers/scsi/hpsa.h | |
| parent | c81410a4353d45766564ba6af9a067d33d1525d7 (diff) | |
| download | linux-0f07e7611184cd78a26dd1fbf13513264896cdac.tar.xz | |
scsi: hpsa: limit outstanding rescans
[ Upstream commit 87b9e6aa87d9411f1059aa245c0c79976bc557ac ]
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>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi/hpsa.h')
| -rw-r--r-- | drivers/scsi/hpsa.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h index 9ea162de80dc..e16f2945f6ac 100644 --- a/drivers/scsi/hpsa.h +++ b/drivers/scsi/hpsa.h @@ -203,6 +203,7 @@ 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; |