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authorChristoph Hellwig <hch@lst.de>2015-08-27 14:16:59 +0200
committerJames Bottomley <JBottomley@Odin.com>2015-08-28 13:14:57 -0700
commitee14c674e8fc57251223054fb52dc0ecfe711028 (patch)
tree6f65bb8fd2380c4abed006139c8d6c820ae3d08f /drivers/scsi/scsi_error.c
parentd95dbff2a41e934cd8789734b34dc591e78ba11c (diff)
downloadtalos-op-linux-ee14c674e8fc57251223054fb52dc0ecfe711028.tar.gz
talos-op-linux-ee14c674e8fc57251223054fb52dc0ecfe711028.zip
scsi_dh: kill struct scsi_dh_data
Add a ->handler and a ->handler_data field to struct scsi_device and kill this indirection. Also move struct scsi_device_handler to scsi_dh.h so that changes to it don't require rebuilding every SCSI LLDD. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Odin.com>
Diffstat (limited to 'drivers/scsi/scsi_error.c')
-rw-r--r--drivers/scsi/scsi_error.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 3aacd96d63f3..410911c31c67 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -37,6 +37,7 @@
#include <scsi/scsi_transport.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_ioctl.h>
+#include <scsi/scsi_dh.h>
#include <scsi/sg.h>
#include "scsi_priv.h"
@@ -464,11 +465,10 @@ static int scsi_check_sense(struct scsi_cmnd *scmd)
if (scsi_sense_is_deferred(&sshdr))
return NEEDS_RETRY;
- if (sdev->scsi_dh_data && sdev->scsi_dh_data->scsi_dh &&
- sdev->scsi_dh_data->scsi_dh->check_sense) {
+ if (sdev->handler && sdev->handler->check_sense) {
int rc;
- rc = sdev->scsi_dh_data->scsi_dh->check_sense(sdev, &sshdr);
+ rc = sdev->handler->check_sense(sdev, &sshdr);
if (rc != SCSI_RETURN_NOT_HANDLED)
return rc;
/* handler does not care. Drop down to default handling */
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