[PATCH RFC] target: Use scsi helpers to build the sense data correctly

[PATCH RFC] target: Use scsi helpers to build the sense data correctly

[Sagi Grimberg]

Instead of open coding the sense buffer construction, use
scsi scsi_build_sense_buffer() and scsi_set_sense_information()
helpers.

This patch also fixes wrong setting of descriptor format sense data
for t10-pi integrity errors.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
---
 drivers/target/target_core_spc.c       |  30 +----
 drivers/target/target_core_transport.c | 202 ++++-----------------------------
 include/target/target_core_base.h      |   9 +-
 3 files changed, 30 insertions(+), 211 deletions(-)

diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index a2b377e..08114bf 100644
--- a/drivers/target/target_core_spc.c
+++ b/drivers/target/target_core_spc.c
@@ -1156,32 +1156,10 @@ static sense_reason_t spc_emulate_request_sense(struct se_cmd *cmd)
 	if (!rbuf)
 		return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 
-	if (!core_scsi3_ua_clear_for_request_sense(cmd, &ua_asc, &ua_ascq)) {
-		/*
-		 * CURRENT ERROR, UNIT ATTENTION
-		 */
-		buf[0] = 0x70;
-		buf[SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION;
-
-		/*
-		 * The Additional Sense Code (ASC) from the UNIT ATTENTION
-		 */
-		buf[SPC_ASC_KEY_OFFSET] = ua_asc;
-		buf[SPC_ASCQ_KEY_OFFSET] = ua_ascq;
-		buf[7] = 0x0A;
-	} else {
-		/*
-		 * CURRENT ERROR, NO SENSE
-		 */
-		buf[0] = 0x70;
-		buf[SPC_SENSE_KEY_OFFSET] = NO_SENSE;
-
-		/*
-		 * NO ADDITIONAL SENSE INFORMATION
-		 */
-		buf[SPC_ASC_KEY_OFFSET] = 0x00;
-		buf[7] = 0x0A;
-	}
+	if (!core_scsi3_ua_clear_for_request_sense(cmd, &ua_asc, &ua_ascq))
+		scsi_build_sense_buffer(0, buf, UNIT_ATTENTION, ua_asc, ua_ascq);
+	else
+		scsi_build_sense_buffer(0, buf, NO_SENSE, 0x0, 0x0);
 
 	memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
 	transport_kunmap_data_sg(cmd);
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index ea83dd26..33ade5f 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2708,18 +2708,6 @@ static int transport_get_sense_codes(
 	return 0;
 }
 
-static
-void transport_err_sector_info(unsigned char *buffer, sector_t bad_sector)
-{
-	/* Place failed LBA in sense data information descriptor 0. */
-	buffer[SPC_DESC_TYPE_OFFSET] = 0; /* Information */
-	buffer[SPC_ADDITIONAL_DESC_LEN_OFFSET] = 0xa;
-	buffer[SPC_VALIDITY_OFFSET] = 0x80;
-
-	/* Descriptor Information: failing sector */
-	put_unaligned_be64(bad_sector, &buffer[12]);
-}
-
 int
 transport_send_check_condition_and_sense(struct se_cmd *cmd,
 		sense_reason_t reason, int from_transport)
@@ -2742,227 +2730,87 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd,
 	if (!from_transport)
 		cmd->se_cmd_flags |= SCF_EMULATED_TASK_SENSE;
 
-	/*
-	 * Actual SENSE DATA, see SPC-3 7.23.2  SPC_SENSE_KEY_OFFSET uses
-	 * SENSE KEY values from include/scsi/scsi.h
-	 */
+	/* Actual SENSE DATA, see SPC-3 7.23.2 */
 	switch (reason) {
 	case TCM_NO_SENSE:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* Not Ready */
-		buffer[SPC_SENSE_KEY_OFFSET] = NOT_READY;
-		/* NO ADDITIONAL SENSE INFORMATION */
-		buffer[SPC_ASC_KEY_OFFSET] = 0;
-		buffer[SPC_ASCQ_KEY_OFFSET] = 0;
+		scsi_build_sense_buffer(0, buffer, NOT_READY, 0x0, 0x0);
 		break;
 	case TCM_NON_EXISTENT_LUN:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* ILLEGAL REQUEST */
-		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
 		/* LOGICAL UNIT NOT SUPPORTED */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x25;
+		scsi_build_sense_buffer(0, buffer, ILLEGAL_REQUEST, 0x25, 0x0);
 		break;
 	case TCM_UNSUPPORTED_SCSI_OPCODE:
 	case TCM_SECTOR_COUNT_TOO_MANY:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* ILLEGAL REQUEST */
-		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
 		/* INVALID COMMAND OPERATION CODE */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x20;
+		scsi_build_sense_buffer(0, buffer, ILLEGAL_REQUEST, 0x20, 0x0);
 		break;
 	case TCM_UNKNOWN_MODE_PAGE:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* ILLEGAL REQUEST */
-		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
 		/* INVALID FIELD IN CDB */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x24;
+		scsi_build_sense_buffer(0, buffer, ILLEGAL_REQUEST, 0x24, 0x0);
 		break;
 	case TCM_CHECK_CONDITION_ABORT_CMD:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* ABORTED COMMAND */
-		buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
 		/* BUS DEVICE RESET FUNCTION OCCURRED */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x29;
-		buffer[SPC_ASCQ_KEY_OFFSET] = 0x03;
+		scsi_build_sense_buffer(0, buffer, ABORTED_COMMAND, 0x29, 0x03);
 		break;
 	case TCM_INCORRECT_AMOUNT_OF_DATA:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* ABORTED COMMAND */
-		buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
-		/* WRITE ERROR */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x0c;
-		/* NOT ENOUGH UNSOLICITED DATA */
-		buffer[SPC_ASCQ_KEY_OFFSET] = 0x0d;
+		scsi_build_sense_buffer(0, buffer, ABORTED_COMMAND, 0x0c, 0x0d);
 		break;
 	case TCM_INVALID_CDB_FIELD:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* ILLEGAL REQUEST */
-		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
-		/* INVALID FIELD IN CDB */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x24;
+		scsi_build_sense_buffer(0, buffer, ILLEGAL_REQUEST, 0x24, 0x0);
 		break;
 	case TCM_INVALID_PARAMETER_LIST:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* ILLEGAL REQUEST */
-		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
-		/* INVALID FIELD IN PARAMETER LIST */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x26;
+		scsi_build_sense_buffer(0, buffer, ILLEGAL_REQUEST, 0x26, 0x0);
 		break;
 	case TCM_PARAMETER_LIST_LENGTH_ERROR:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* ILLEGAL REQUEST */
-		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
-		/* PARAMETER LIST LENGTH ERROR */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x1a;
+		scsi_build_sense_buffer(0, buffer, ILLEGAL_REQUEST, 0x1a, 0x0);
 		break;
 	case TCM_UNEXPECTED_UNSOLICITED_DATA:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* ABORTED COMMAND */
-		buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
-		/* WRITE ERROR */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x0c;
-		/* UNEXPECTED_UNSOLICITED_DATA */
-		buffer[SPC_ASCQ_KEY_OFFSET] = 0x0c;
+		scsi_build_sense_buffer(0, buffer, ABORTED_COMMAND, 0x0c, 0x0c);
 		break;
 	case TCM_SERVICE_CRC_ERROR:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* ABORTED COMMAND */
-		buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
-		/* PROTOCOL SERVICE CRC ERROR */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x47;
-		/* N/A */
-		buffer[SPC_ASCQ_KEY_OFFSET] = 0x05;
+		scsi_build_sense_buffer(0, buffer, ABORTED_COMMAND, 0x47, 0x05);
 		break;
 	case TCM_SNACK_REJECTED:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* ABORTED COMMAND */
-		buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
-		/* READ ERROR */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x11;
-		/* FAILED RETRANSMISSION REQUEST */
-		buffer[SPC_ASCQ_KEY_OFFSET] = 0x13;
+		scsi_build_sense_buffer(0, buffer, ABORTED_COMMAND, 0x11, 0x13);
 		break;
 	case TCM_WRITE_PROTECTED:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* DATA PROTECT */
-		buffer[SPC_SENSE_KEY_OFFSET] = DATA_PROTECT;
-		/* WRITE PROTECTED */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x27;
+		scsi_build_sense_buffer(0, buffer, DATA_PROTECT, 0x27, 0x0);
 		break;
 	case TCM_ADDRESS_OUT_OF_RANGE:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* ILLEGAL REQUEST */
-		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
-		/* LOGICAL BLOCK ADDRESS OUT OF RANGE */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x21;
+		scsi_build_sense_buffer(0, buffer, ILLEGAL_REQUEST, 0x21, 0x0);
 		break;
 	case TCM_CHECK_CONDITION_UNIT_ATTENTION:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* UNIT ATTENTION */
-		buffer[SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION;
 		core_scsi3_ua_for_check_condition(cmd, &asc, &ascq);
-		buffer[SPC_ASC_KEY_OFFSET] = asc;
-		buffer[SPC_ASCQ_KEY_OFFSET] = ascq;
+		scsi_build_sense_buffer(0, buffer, UNIT_ATTENTION, asc, ascq);
 		break;
 	case TCM_CHECK_CONDITION_NOT_READY:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* Not Ready */
-		buffer[SPC_SENSE_KEY_OFFSET] = NOT_READY;
 		transport_get_sense_codes(cmd, &asc, &ascq);
-		buffer[SPC_ASC_KEY_OFFSET] = asc;
-		buffer[SPC_ASCQ_KEY_OFFSET] = ascq;
+		scsi_build_sense_buffer(0, buffer, NOT_READY, asc, ascq);
 		break;
 	case TCM_MISCOMPARE_VERIFY:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		buffer[SPC_SENSE_KEY_OFFSET] = MISCOMPARE;
-		/* MISCOMPARE DURING VERIFY OPERATION */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x1d;
-		buffer[SPC_ASCQ_KEY_OFFSET] = 0x00;
+		scsi_build_sense_buffer(0, buffer, MISCOMPARE, 0x1d, 0x0);
 		break;
 	case TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		/* ADDITIONAL SENSE LENGTH */
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 0xc;
-		/* ILLEGAL REQUEST */
-		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
-		/* LOGICAL BLOCK GUARD CHECK FAILED */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x10;
-		buffer[SPC_ASCQ_KEY_OFFSET] = 0x01;
-		transport_err_sector_info(buffer, cmd->bad_sector);
+		scsi_build_sense_buffer(1, buffer, ABORTED_COMMAND, 0x10, 0x01);
+		scsi_set_sense_information(buffer, cmd->bad_sector);
 		break;
 	case TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		/* ADDITIONAL SENSE LENGTH */
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 0xc;
-		/* ILLEGAL REQUEST */
-		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
-		/* LOGICAL BLOCK APPLICATION TAG CHECK FAILED */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x10;
-		buffer[SPC_ASCQ_KEY_OFFSET] = 0x02;
-		transport_err_sector_info(buffer, cmd->bad_sector);
+		scsi_build_sense_buffer(1, buffer, ABORTED_COMMAND, 0x10, 0x02);
+		scsi_set_sense_information(buffer, cmd->bad_sector);
 		break;
 	case TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		/* ADDITIONAL SENSE LENGTH */
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 0xc;
-		/* ILLEGAL REQUEST */
-		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
-		/* LOGICAL BLOCK REFERENCE TAG CHECK FAILED */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x10;
-		buffer[SPC_ASCQ_KEY_OFFSET] = 0x03;
-		transport_err_sector_info(buffer, cmd->bad_sector);
+		scsi_build_sense_buffer(1, buffer, ABORTED_COMMAND, 0x10, 0x03);
+		scsi_set_sense_information(buffer, cmd->bad_sector);
 		break;
 	case TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE:
 	default:
-		/* CURRENT ERROR */
-		buffer[0] = 0x70;
-		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/*
 		 * Returning ILLEGAL REQUEST would cause immediate IO errors on
 		 * Solaris initiators.  Returning NOT READY instead means the
 		 * operations will be retried a finite number of times and we
 		 * can survive intermittent errors.
 		 */
-		buffer[SPC_SENSE_KEY_OFFSET] = NOT_READY;
-		/* LOGICAL UNIT COMMUNICATION FAILURE */
-		buffer[SPC_ASC_KEY_OFFSET] = 0x08;
+		scsi_build_sense_buffer(0, buffer, NOT_READY, 0x08, 0x00);
 		break;
 	}
 	/*
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 9524c97..b237c1a 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -7,6 +7,7 @@
 #include <linux/blkdev.h>
 #include <linux/percpu_ida.h>
 #include <linux/t10-pi.h>
+#include <scsi/scsi_eh.h>
 #include <scsi/scsi_cmnd.h>
 #include <net/sock.h>
 #include <net/tcp.h>
@@ -31,14 +32,6 @@
  * defined 96, but the real limit is 252 (or 260 including the header)
  */
 #define TRANSPORT_SENSE_BUFFER			SCSI_SENSE_BUFFERSIZE
-/* Used by transport_send_check_condition_and_sense() */
-#define SPC_SENSE_KEY_OFFSET			2
-#define SPC_ADD_SENSE_LEN_OFFSET		7
-#define SPC_DESC_TYPE_OFFSET			8
-#define SPC_ADDITIONAL_DESC_LEN_OFFSET		9
-#define SPC_VALIDITY_OFFSET			10
-#define SPC_ASC_KEY_OFFSET			12
-#define SPC_ASCQ_KEY_OFFSET			13
 #define TRANSPORT_IQN_LEN			224
 /* Used by target_core_store_alua_lu_gp() and target_core_alua_lu_gp_show_attr_members() */
 #define LU_GROUP_NAME_BUF			256
-- 
1.8.4.3

Re: [PATCH RFC] target: Use scsi helpers to build the sense data correctly

[Christoph Hellwig]

On Mon, Jun 29, 2015 at 06:05:25PM +0300, Sagi Grimberg wrote:
> Instead of open coding the sense buffer construction, use
> scsi scsi_build_sense_buffer() and scsi_set_sense_information()
> helpers.
> 
> This patch also fixes wrong setting of descriptor format sense data
> for t10-pi integrity errors.

This looks good in general, but we'd need to move this functions to
the scsi common module first now that the target code doesn't use
scsi_mod.ko. (Oh, for some reason 4.2 still builds scsi_common.c into
scsi_mod.ko, but in the long run it shouldn't).

Whie we're at it I'd also really love to Barts sense handling
updates to go in:

https://github.com/bvanassche/linux/commit/c8e3ccce0753522cff50987db8e411be2b452cdd
https://github.com/bvanassche/linux/commit/50e0e2c6681091cda23e677fe9b6fbd2c70d99b1
https://github.com/bvanassche/linux/commit/02b27ec5c94117a976e16421556c1cb7287b6635

Bart, any chance you could resend them?

Re: [PATCH RFC] target: Use scsi helpers to build the sense data correctly

[Sagi Grimberg]

On 7/3/2015 7:12 PM, Christoph Hellwig wrote:
> On Mon, Jun 29, 2015 at 06:05:25PM +0300, Sagi Grimberg wrote:
>> Instead of open coding the sense buffer construction, use
>> scsi scsi_build_sense_buffer() and scsi_set_sense_information()
>> helpers.
>>
>> This patch also fixes wrong setting of descriptor format sense data
>> for t10-pi integrity errors.
>
> This looks good in general, but we'd need to move this functions to
> the scsi common module first now that the target code doesn't use
> scsi_mod.ko. (Oh, for some reason 4.2 still builds scsi_common.c into
> scsi_mod.ko, but in the long run it shouldn't).

Yes I figured that these functions need to move to scsi_common.[ch]

>
> Whie we're at it I'd also really love to Barts sense handling
> updates to go in:
>
> https://github.com/bvanassche/linux/commit/c8e3ccce0753522cff50987db8e411be2b452cdd
> https://github.com/bvanassche/linux/commit/50e0e2c6681091cda23e677fe9b6fbd2c70d99b1
> https://github.com/bvanassche/linux/commit/02b27ec5c94117a976e16421556c1cb7287b6635
>
> Bart, any chance you could resend them?
>

Bart, would you prefer to re-send your changes on top of v1 of this one?
It should be easy enough.

The modification needed is that struct sense_info needs a desc_format
bool to indicate if the sense data is constructed in a descriptor
format sense data or not.

Re: [PATCH RFC] target: Use scsi helpers to build the sense data correctly

[Bart Van Assche]

On 07/04/2015 03:47 AM, Sagi Grimberg wrote:
> On 7/3/2015 7:12 PM, Christoph Hellwig wrote:
>> On Mon, Jun 29, 2015 at 06:05:25PM +0300, Sagi Grimberg wrote:
>>> Instead of open coding the sense buffer construction, use
>>> scsi scsi_build_sense_buffer() and scsi_set_sense_information()
>>> helpers.
>>>
>>> This patch also fixes wrong setting of descriptor format sense data
>>> for t10-pi integrity errors.
>>
>> This looks good in general, but we'd need to move this functions to
>> the scsi common module first now that the target code doesn't use
>> scsi_mod.ko. (Oh, for some reason 4.2 still builds scsi_common.c into
>> scsi_mod.ko, but in the long run it shouldn't).
>
> Yes I figured that these functions need to move to scsi_common.[ch]
>
>>
>> Whie we're at it I'd also really love to Barts sense handling
>> updates to go in:
>>
>> https://github.com/bvanassche/linux/commit/c8e3ccce0753522cff50987db8e411be2b452cdd
>> https://github.com/bvanassche/linux/commit/50e0e2c6681091cda23e677fe9b6fbd2c70d99b1
>> https://github.com/bvanassche/linux/commit/02b27ec5c94117a976e16421556c1cb7287b6635
>>
>> Bart, any chance you could resend them?
>>
>
> Bart, would you prefer to re-send your changes on top of v1 of this one?
> It should be easy enough.
>
> The modification needed is that struct sense_info needs a desc_format
> bool to indicate if the sense data is constructed in a descriptor
> format sense data or not.

Hello Sagi,

Since Christoph asked you to rework your patch, let's start with the 
patches about which there is no discussion. I will post the first two 
patches referred to above next week. The third patch referred to by 
Christoph needs more thought before I can send it upstream.

BTW, I'm reworking my patch series for making ABORT handling synchronous 
and hope to repost that patch series soon.

Bart.

Re: [PATCH RFC] target: Use scsi helpers to build the sense data correctly

[Sagi Grimberg]

On 7/4/2015 6:48 PM, Bart Van Assche wrote:

>>> Bart, any chance you could resend them?
>>>
>>
>> Bart, would you prefer to re-send your changes on top of v1 of this one?
>> It should be easy enough.
>>
>> The modification needed is that struct sense_info needs a desc_format
>> bool to indicate if the sense data is constructed in a descriptor
>> format sense data or not.
>
> Hello Sagi,
>
> Since Christoph asked you to rework your patch, let's start with the
> patches about which there is no discussion. I will post the first two
> patches referred to above next week. The third patch referred to by
> Christoph needs more thought before I can send it upstream.

OK, I converted my patch to apply over your patches. If you don't mind,
I will post them together with my patch so Nic won't need to handle the
dependencies?

Sagi.