[PATCH v2 16/20] scsi: Have sd pr_ops return a blk_status_t

[Mike Christie]

This patch has the sd pr_ops convert from the low level SCSI errors to a
blk_status_t.

Signed-off-by: Mike Christie <michael.christie at oracle.com>
---
 drivers/scsi/sd.c | 27 ++++++++++++++++++---------
 1 file changed, 18 insertions(+), 9 deletions(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 61e88c7ffa44..31b4eafadc44 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1686,7 +1686,8 @@ static int sd_get_unique_id(struct gendisk *disk, u8 id[16],
 #define SCSI_PR_UA_RETRIES 5
 
 static int sd_pr_in_command(struct block_device *bdev, u8 sa,
-			    unsigned char *data, int data_len)
+			    unsigned char *data, int data_len,
+			    blk_status_t *blk_stat)
 {
 	struct scsi_disk *sdkp = scsi_disk(bdev->bd_disk);
 	struct scsi_device *sdev = sdkp->device;
@@ -1710,6 +1711,9 @@ static int sd_pr_in_command(struct block_device *bdev, u8 sa,
 		scsi_print_sense_hdr(sdev, NULL, &sshdr);
 	}
 
+	if (blk_stat && result >= 0)
+		*blk_stat = scsi_result_to_blk_status(result);
+
 	return result;
 }
 
@@ -1724,7 +1728,7 @@ static int sd_pr_read_keys(struct block_device *bdev, struct pr_keys *keys_info,
 	if (!data)
 		return -ENOMEM;
 
-	result = sd_pr_in_command(bdev, READ_KEYS, data, data_len);
+	result = sd_pr_in_command(bdev, READ_KEYS, data, data_len, blk_stat);
 	if (result)
 		goto free_data;
 
@@ -1753,7 +1757,8 @@ static int sd_pr_read_reservation(struct block_device *bdev,
 	u8 data[24] = { 0, };
 	int result, len;
 
-	result = sd_pr_in_command(bdev, READ_RESERVATION, data, sizeof(data));
+	result = sd_pr_in_command(bdev, READ_RESERVATION, data, sizeof(data),
+				  blk_stat);
 	if (result)
 		return result;
 
@@ -1777,7 +1782,7 @@ static int sd_pr_read_reservation(struct block_device *bdev,
 }
 
 static int sd_pr_out_command(struct block_device *bdev, u8 sa, u64 key,
-		u64 sa_key, u8 type, u8 flags)
+		u64 sa_key, u8 type, u8 flags, blk_status_t *blk_stat)
 {
 	struct scsi_disk *sdkp = scsi_disk(bdev->bd_disk);
 	struct scsi_device *sdev = sdkp->device;
@@ -1808,6 +1813,9 @@ static int sd_pr_out_command(struct block_device *bdev, u8 sa, u64 key,
 		scsi_print_sense_hdr(sdev, NULL, &sshdr);
 	}
 
+	if (blk_stat && result >= 0)
+		*blk_stat = scsi_result_to_blk_status(result);
+
 	return result;
 }
 
@@ -1818,7 +1826,8 @@ static int sd_pr_register(struct block_device *bdev, u64 old_key, u64 new_key,
 		return -EOPNOTSUPP;
 	return sd_pr_out_command(bdev, (flags & PR_FL_IGNORE_KEY) ? 0x06 : 0x00,
 			old_key, new_key, 0,
-			(1 << 0) /* APTPL */);
+			(1 << 0) /* APTPL */,
+			blk_stat);
 }
 
 static int sd_pr_reserve(struct block_device *bdev, u64 key, enum pr_type type,
@@ -1827,27 +1836,27 @@ static int sd_pr_reserve(struct block_device *bdev, u64 key, enum pr_type type,
 	if (flags)
 		return -EOPNOTSUPP;
 	return sd_pr_out_command(bdev, 0x01, key, 0,
-				 block_pr_type_to_scsi(type), 0);
+				 block_pr_type_to_scsi(type), 0, blk_stat);
 }
 
 static int sd_pr_release(struct block_device *bdev, u64 key, enum pr_type type,
 		blk_status_t *blk_stat)
 {
 	return sd_pr_out_command(bdev, 0x02, key, 0,
-				 block_pr_type_to_scsi(type), 0);
+				 block_pr_type_to_scsi(type), 0, blk_stat);
 }
 
 static int sd_pr_preempt(struct block_device *bdev, u64 old_key, u64 new_key,
 		enum pr_type type, bool abort, blk_status_t *blk_stat)
 {
 	return sd_pr_out_command(bdev, abort ? 0x05 : 0x04, old_key, new_key,
-				 block_pr_type_to_scsi(type), 0);
+				 block_pr_type_to_scsi(type), 0, blk_stat);
 }
 
 static int sd_pr_clear(struct block_device *bdev, u64 key,
 		blk_status_t *blk_stat)
 {
-	return sd_pr_out_command(bdev, 0x03, key, 0, 0, 0);
+	return sd_pr_out_command(bdev, 0x03, key, 0, 0, 0, blk_stat);
 }
 
 static const struct pr_ops sd_pr_ops = {
-- 
2.18.2