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Diffstat (limited to 'drivers/scsi/scsi_debug.c')
-rw-r--r--drivers/scsi/scsi_debug.c194
1 files changed, 111 insertions, 83 deletions
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 7b310934efe..fa5758cbded 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -89,32 +89,34 @@ static const char * scsi_debug_version_date = "20100324";
/* With these defaults, this driver will make 1 host with 1 target
* (id 0) containing 1 logical unit (lun 0). That is 1 device.
*/
+#define DEF_ATO 1
#define DEF_DELAY 1
#define DEF_DEV_SIZE_MB 8
-#define DEF_EVERY_NTH 0
-#define DEF_NUM_PARTS 0
-#define DEF_OPTS 0
-#define DEF_SCSI_LEVEL 5 /* INQUIRY, byte2 [5->SPC-3] */
-#define DEF_PTYPE 0
+#define DEF_DIF 0
+#define DEF_DIX 0
#define DEF_D_SENSE 0
-#define DEF_NO_LUN_0 0
-#define DEF_VIRTUAL_GB 0
+#define DEF_EVERY_NTH 0
#define DEF_FAKE_RW 0
-#define DEF_VPD_USE_HOSTNO 1
-#define DEF_SECTOR_SIZE 512
-#define DEF_DIX 0
-#define DEF_DIF 0
#define DEF_GUARD 0
-#define DEF_ATO 1
-#define DEF_PHYSBLK_EXP 0
+#define DEF_LBPU 0
+#define DEF_LBPWS 0
+#define DEF_LBPWS10 0
#define DEF_LOWEST_ALIGNED 0
+#define DEF_NO_LUN_0 0
+#define DEF_NUM_PARTS 0
+#define DEF_OPTS 0
#define DEF_OPT_BLKS 64
+#define DEF_PHYSBLK_EXP 0
+#define DEF_PTYPE 0
+#define DEF_SCSI_LEVEL 5 /* INQUIRY, byte2 [5->SPC-3] */
+#define DEF_SECTOR_SIZE 512
+#define DEF_UNMAP_ALIGNMENT 0
+#define DEF_UNMAP_GRANULARITY 1
#define DEF_UNMAP_MAX_BLOCKS 0xFFFFFFFF
#define DEF_UNMAP_MAX_DESC 256
-#define DEF_UNMAP_GRANULARITY 1
-#define DEF_UNMAP_ALIGNMENT 0
-#define DEF_TPWS 0
-#define DEF_TPU 0
+#define DEF_VIRTUAL_GB 0
+#define DEF_VPD_USE_HOSTNO 1
+#define DEF_WRITESAME_LENGTH 0xFFFF
/* bit mask values for scsi_debug_opts */
#define SCSI_DEBUG_OPT_NOISE 1
@@ -144,6 +146,7 @@ static const char * scsi_debug_version_date = "20100324";
/* when 1==SCSI_DEBUG_OPT_MEDIUM_ERR, a medium error is simulated at this
* sector on read commands: */
#define OPT_MEDIUM_ERR_ADDR 0x1234 /* that's sector 4660 in decimal */
+#define OPT_MEDIUM_ERR_NUM 10 /* number of consecutive medium errs */
/* If REPORT LUNS has luns >= 256 it can choose "flat space" (value 1)
* or "peripheral device" addressing (value 0) */
@@ -155,36 +158,38 @@ static const char * scsi_debug_version_date = "20100324";
#define SCSI_DEBUG_CANQUEUE 255
static int scsi_debug_add_host = DEF_NUM_HOST;
+static int scsi_debug_ato = DEF_ATO;
static int scsi_debug_delay = DEF_DELAY;
static int scsi_debug_dev_size_mb = DEF_DEV_SIZE_MB;
+static int scsi_debug_dif = DEF_DIF;
+static int scsi_debug_dix = DEF_DIX;
+static int scsi_debug_dsense = DEF_D_SENSE;
static int scsi_debug_every_nth = DEF_EVERY_NTH;
+static int scsi_debug_fake_rw = DEF_FAKE_RW;
+static int scsi_debug_guard = DEF_GUARD;
+static int scsi_debug_lowest_aligned = DEF_LOWEST_ALIGNED;
static int scsi_debug_max_luns = DEF_MAX_LUNS;
static int scsi_debug_max_queue = SCSI_DEBUG_CANQUEUE;
-static int scsi_debug_num_parts = DEF_NUM_PARTS;
+static int scsi_debug_no_lun_0 = DEF_NO_LUN_0;
static int scsi_debug_no_uld = 0;
+static int scsi_debug_num_parts = DEF_NUM_PARTS;
static int scsi_debug_num_tgts = DEF_NUM_TGTS; /* targets per host */
+static int scsi_debug_opt_blks = DEF_OPT_BLKS;
static int scsi_debug_opts = DEF_OPTS;
-static int scsi_debug_scsi_level = DEF_SCSI_LEVEL;
+static int scsi_debug_physblk_exp = DEF_PHYSBLK_EXP;
static int scsi_debug_ptype = DEF_PTYPE; /* SCSI peripheral type (0==disk) */
-static int scsi_debug_dsense = DEF_D_SENSE;
-static int scsi_debug_no_lun_0 = DEF_NO_LUN_0;
+static int scsi_debug_scsi_level = DEF_SCSI_LEVEL;
+static int scsi_debug_sector_size = DEF_SECTOR_SIZE;
static int scsi_debug_virtual_gb = DEF_VIRTUAL_GB;
-static int scsi_debug_fake_rw = DEF_FAKE_RW;
static int scsi_debug_vpd_use_hostno = DEF_VPD_USE_HOSTNO;
-static int scsi_debug_sector_size = DEF_SECTOR_SIZE;
-static int scsi_debug_dix = DEF_DIX;
-static int scsi_debug_dif = DEF_DIF;
-static int scsi_debug_guard = DEF_GUARD;
-static int scsi_debug_ato = DEF_ATO;
-static int scsi_debug_physblk_exp = DEF_PHYSBLK_EXP;
-static int scsi_debug_lowest_aligned = DEF_LOWEST_ALIGNED;
-static int scsi_debug_opt_blks = DEF_OPT_BLKS;
-static unsigned int scsi_debug_unmap_max_desc = DEF_UNMAP_MAX_DESC;
-static unsigned int scsi_debug_unmap_max_blocks = DEF_UNMAP_MAX_BLOCKS;
-static unsigned int scsi_debug_unmap_granularity = DEF_UNMAP_GRANULARITY;
+static unsigned int scsi_debug_lbpu = DEF_LBPU;
+static unsigned int scsi_debug_lbpws = DEF_LBPWS;
+static unsigned int scsi_debug_lbpws10 = DEF_LBPWS10;
static unsigned int scsi_debug_unmap_alignment = DEF_UNMAP_ALIGNMENT;
-static unsigned int scsi_debug_tpws = DEF_TPWS;
-static unsigned int scsi_debug_tpu = DEF_TPU;
+static unsigned int scsi_debug_unmap_granularity = DEF_UNMAP_GRANULARITY;
+static unsigned int scsi_debug_unmap_max_blocks = DEF_UNMAP_MAX_BLOCKS;
+static unsigned int scsi_debug_unmap_max_desc = DEF_UNMAP_MAX_DESC;
+static unsigned int scsi_debug_write_same_length = DEF_WRITESAME_LENGTH;
static int scsi_debug_cmnd_count = 0;
@@ -206,6 +211,11 @@ static int sdebug_sectors_per; /* sectors per cylinder */
#define SCSI_DEBUG_MAX_CMD_LEN 32
+static unsigned int scsi_debug_lbp(void)
+{
+ return scsi_debug_lbpu | scsi_debug_lbpws | scsi_debug_lbpws10;
+}
+
struct sdebug_dev_info {
struct list_head dev_list;
unsigned char sense_buff[SDEBUG_SENSE_LEN]; /* weak nexus */
@@ -727,7 +737,7 @@ static int inquiry_evpd_b0(unsigned char * arr)
/* Optimal Transfer Length */
put_unaligned_be32(scsi_debug_opt_blks, &arr[8]);
- if (scsi_debug_tpu) {
+ if (scsi_debug_lbpu) {
/* Maximum Unmap LBA Count */
put_unaligned_be32(scsi_debug_unmap_max_blocks, &arr[16]);
@@ -744,7 +754,10 @@ static int inquiry_evpd_b0(unsigned char * arr)
/* Optimal Unmap Granularity */
put_unaligned_be32(scsi_debug_unmap_granularity, &arr[24]);
- return 0x3c; /* Mandatory page length for thin provisioning */
+ /* Maximum WRITE SAME Length */
+ put_unaligned_be64(scsi_debug_write_same_length, &arr[32]);
+
+ return 0x3c; /* Mandatory page length for Logical Block Provisioning */
return sizeof(vpdb0_data);
}
@@ -767,12 +780,15 @@ static int inquiry_evpd_b2(unsigned char *arr)
memset(arr, 0, 0x8);
arr[0] = 0; /* threshold exponent */
- if (scsi_debug_tpu)
+ if (scsi_debug_lbpu)
arr[1] = 1 << 7;
- if (scsi_debug_tpws)
+ if (scsi_debug_lbpws)
arr[1] |= 1 << 6;
+ if (scsi_debug_lbpws10)
+ arr[1] |= 1 << 5;
+
return 0x8;
}
@@ -831,7 +847,8 @@ static int resp_inquiry(struct scsi_cmnd * scp, int target,
arr[n++] = 0x89; /* ATA information */
arr[n++] = 0xb0; /* Block limits (SBC) */
arr[n++] = 0xb1; /* Block characteristics (SBC) */
- arr[n++] = 0xb2; /* Thin provisioning (SBC) */
+ if (scsi_debug_lbp()) /* Logical Block Prov. (SBC) */
+ arr[n++] = 0xb2;
arr[3] = n - 4; /* number of supported VPD pages */
} else if (0x80 == cmd[2]) { /* unit serial number */
arr[1] = cmd[2]; /*sanity */
@@ -879,7 +896,7 @@ static int resp_inquiry(struct scsi_cmnd * scp, int target,
} else if (0xb1 == cmd[2]) { /* Block characteristics (SBC) */
arr[1] = cmd[2]; /*sanity */
arr[3] = inquiry_evpd_b1(&arr[4]);
- } else if (0xb2 == cmd[2]) { /* Thin provisioning (SBC) */
+ } else if (0xb2 == cmd[2]) { /* Logical Block Prov. (SBC) */
arr[1] = cmd[2]; /*sanity */
arr[3] = inquiry_evpd_b2(&arr[4]);
} else {
@@ -1053,8 +1070,8 @@ static int resp_readcap16(struct scsi_cmnd * scp,
arr[13] = scsi_debug_physblk_exp & 0xf;
arr[14] = (scsi_debug_lowest_aligned >> 8) & 0x3f;
- if (scsi_debug_tpu || scsi_debug_tpws)
- arr[14] |= 0x80; /* TPE */
+ if (scsi_debug_lbp())
+ arr[14] |= 0x80; /* LBPME */
arr[15] = scsi_debug_lowest_aligned & 0xff;
@@ -1671,7 +1688,7 @@ static int do_device_access(struct scsi_cmnd *scmd,
unsigned long long lba, unsigned int num, int write)
{
int ret;
- unsigned int block, rest = 0;
+ unsigned long long block, rest = 0;
int (*func)(struct scsi_cmnd *, unsigned char *, int);
func = write ? fetch_to_dev_buffer : fill_from_dev_buffer;
@@ -1791,15 +1808,15 @@ static int resp_read(struct scsi_cmnd *SCpnt, unsigned long long lba,
return ret;
if ((SCSI_DEBUG_OPT_MEDIUM_ERR & scsi_debug_opts) &&
- (lba <= OPT_MEDIUM_ERR_ADDR) &&
+ (lba <= (OPT_MEDIUM_ERR_ADDR + OPT_MEDIUM_ERR_NUM - 1)) &&
((lba + num) > OPT_MEDIUM_ERR_ADDR)) {
/* claim unrecoverable read error */
- mk_sense_buffer(devip, MEDIUM_ERROR, UNRECOVERED_READ_ERR,
- 0);
+ mk_sense_buffer(devip, MEDIUM_ERROR, UNRECOVERED_READ_ERR, 0);
/* set info field and valid bit for fixed descriptor */
if (0x70 == (devip->sense_buff[0] & 0x7f)) {
devip->sense_buff[0] |= 0x80; /* Valid bit */
- ret = OPT_MEDIUM_ERR_ADDR;
+ ret = (lba < OPT_MEDIUM_ERR_ADDR)
+ ? OPT_MEDIUM_ERR_ADDR : (int)lba;
devip->sense_buff[3] = (ret >> 24) & 0xff;
devip->sense_buff[4] = (ret >> 16) & 0xff;
devip->sense_buff[5] = (ret >> 8) & 0xff;
@@ -2084,6 +2101,12 @@ static int resp_write_same(struct scsi_cmnd *scmd, unsigned long long lba,
if (ret)
return ret;
+ if (num > scsi_debug_write_same_length) {
+ mk_sense_buffer(devip, ILLEGAL_REQUEST, INVALID_FIELD_IN_CDB,
+ 0);
+ return check_condition_result;
+ }
+
write_lock_irqsave(&atomic_rw, iflags);
if (unmap && scsi_debug_unmap_granularity) {
@@ -2695,37 +2718,40 @@ static int schedule_resp(struct scsi_cmnd * cmnd,
/sys/bus/pseudo/drivers/scsi_debug directory is changed.
*/
module_param_named(add_host, scsi_debug_add_host, int, S_IRUGO | S_IWUSR);
+module_param_named(ato, scsi_debug_ato, int, S_IRUGO);
module_param_named(delay, scsi_debug_delay, int, S_IRUGO | S_IWUSR);
module_param_named(dev_size_mb, scsi_debug_dev_size_mb, int, S_IRUGO);
+module_param_named(dif, scsi_debug_dif, int, S_IRUGO);
+module_param_named(dix, scsi_debug_dix, int, S_IRUGO);
module_param_named(dsense, scsi_debug_dsense, int, S_IRUGO | S_IWUSR);
module_param_named(every_nth, scsi_debug_every_nth, int, S_IRUGO | S_IWUSR);
module_param_named(fake_rw, scsi_debug_fake_rw, int, S_IRUGO | S_IWUSR);
+module_param_named(guard, scsi_debug_guard, int, S_IRUGO);
+module_param_named(lbpu, scsi_debug_lbpu, int, S_IRUGO);
+module_param_named(lbpws, scsi_debug_lbpws, int, S_IRUGO);
+module_param_named(lbpws10, scsi_debug_lbpws10, int, S_IRUGO);
+module_param_named(lowest_aligned, scsi_debug_lowest_aligned, int, S_IRUGO);
module_param_named(max_luns, scsi_debug_max_luns, int, S_IRUGO | S_IWUSR);
module_param_named(max_queue, scsi_debug_max_queue, int, S_IRUGO | S_IWUSR);
module_param_named(no_lun_0, scsi_debug_no_lun_0, int, S_IRUGO | S_IWUSR);
module_param_named(no_uld, scsi_debug_no_uld, int, S_IRUGO);
module_param_named(num_parts, scsi_debug_num_parts, int, S_IRUGO);
module_param_named(num_tgts, scsi_debug_num_tgts, int, S_IRUGO | S_IWUSR);
+module_param_named(opt_blks, scsi_debug_opt_blks, int, S_IRUGO);
module_param_named(opts, scsi_debug_opts, int, S_IRUGO | S_IWUSR);
+module_param_named(physblk_exp, scsi_debug_physblk_exp, int, S_IRUGO);
module_param_named(ptype, scsi_debug_ptype, int, S_IRUGO | S_IWUSR);
module_param_named(scsi_level, scsi_debug_scsi_level, int, S_IRUGO);
-module_param_named(virtual_gb, scsi_debug_virtual_gb, int, S_IRUGO | S_IWUSR);
-module_param_named(vpd_use_hostno, scsi_debug_vpd_use_hostno, int,
- S_IRUGO | S_IWUSR);
module_param_named(sector_size, scsi_debug_sector_size, int, S_IRUGO);
-module_param_named(dix, scsi_debug_dix, int, S_IRUGO);
-module_param_named(dif, scsi_debug_dif, int, S_IRUGO);
-module_param_named(guard, scsi_debug_guard, int, S_IRUGO);
-module_param_named(ato, scsi_debug_ato, int, S_IRUGO);
-module_param_named(physblk_exp, scsi_debug_physblk_exp, int, S_IRUGO);
-module_param_named(opt_blks, scsi_debug_opt_blks, int, S_IRUGO);
-module_param_named(lowest_aligned, scsi_debug_lowest_aligned, int, S_IRUGO);
+module_param_named(unmap_alignment, scsi_debug_unmap_alignment, int, S_IRUGO);
+module_param_named(unmap_granularity, scsi_debug_unmap_granularity, int, S_IRUGO);
module_param_named(unmap_max_blocks, scsi_debug_unmap_max_blocks, int, S_IRUGO);
module_param_named(unmap_max_desc, scsi_debug_unmap_max_desc, int, S_IRUGO);
-module_param_named(unmap_granularity, scsi_debug_unmap_granularity, int, S_IRUGO);
-module_param_named(unmap_alignment, scsi_debug_unmap_alignment, int, S_IRUGO);
-module_param_named(tpu, scsi_debug_tpu, int, S_IRUGO);
-module_param_named(tpws, scsi_debug_tpws, int, S_IRUGO);
+module_param_named(virtual_gb, scsi_debug_virtual_gb, int, S_IRUGO | S_IWUSR);
+module_param_named(vpd_use_hostno, scsi_debug_vpd_use_hostno, int,
+ S_IRUGO | S_IWUSR);
+module_param_named(write_same_length, scsi_debug_write_same_length, int,
+ S_IRUGO | S_IWUSR);
MODULE_AUTHOR("Eric Youngdale + Douglas Gilbert");
MODULE_DESCRIPTION("SCSI debug adapter driver");
@@ -2733,36 +2759,38 @@ MODULE_LICENSE("GPL");
MODULE_VERSION(SCSI_DEBUG_VERSION);
MODULE_PARM_DESC(add_host, "0..127 hosts allowed(def=1)");
+MODULE_PARM_DESC(ato, "application tag ownership: 0=disk 1=host (def=1)");
MODULE_PARM_DESC(delay, "# of jiffies to delay response(def=1)");
MODULE_PARM_DESC(dev_size_mb, "size in MB of ram shared by devs(def=8)");
+MODULE_PARM_DESC(dif, "data integrity field type: 0-3 (def=0)");
+MODULE_PARM_DESC(dix, "data integrity extensions mask (def=0)");
MODULE_PARM_DESC(dsense, "use descriptor sense format(def=0 -> fixed)");
MODULE_PARM_DESC(every_nth, "timeout every nth command(def=0)");
MODULE_PARM_DESC(fake_rw, "fake reads/writes instead of copying (def=0)");
+MODULE_PARM_DESC(guard, "protection checksum: 0=crc, 1=ip (def=0)");
+MODULE_PARM_DESC(lbpu, "enable LBP, support UNMAP command (def=0)");
+MODULE_PARM_DESC(lbpws, "enable LBP, support WRITE SAME(16) with UNMAP bit (def=0)");
+MODULE_PARM_DESC(lbpws10, "enable LBP, support WRITE SAME(10) with UNMAP bit (def=0)");
+MODULE_PARM_DESC(lowest_aligned, "lowest aligned lba (def=0)");
MODULE_PARM_DESC(max_luns, "number of LUNs per target to simulate(def=1)");
MODULE_PARM_DESC(max_queue, "max number of queued commands (1 to 255(def))");
MODULE_PARM_DESC(no_lun_0, "no LU number 0 (def=0 -> have lun 0)");
MODULE_PARM_DESC(no_uld, "stop ULD (e.g. sd driver) attaching (def=0))");
MODULE_PARM_DESC(num_parts, "number of partitions(def=0)");
MODULE_PARM_DESC(num_tgts, "number of targets per host to simulate(def=1)");
+MODULE_PARM_DESC(opt_blks, "optimal transfer length in block (def=64)");
MODULE_PARM_DESC(opts, "1->noise, 2->medium_err, 4->timeout, 8->recovered_err... (def=0)");
+MODULE_PARM_DESC(physblk_exp, "physical block exponent (def=0)");
MODULE_PARM_DESC(ptype, "SCSI peripheral type(def=0[disk])");
MODULE_PARM_DESC(scsi_level, "SCSI level to simulate(def=5[SPC-3])");
-MODULE_PARM_DESC(virtual_gb, "virtual gigabyte size (def=0 -> use dev_size_mb)");
-MODULE_PARM_DESC(vpd_use_hostno, "0 -> dev ids ignore hostno (def=1 -> unique dev ids)");
MODULE_PARM_DESC(sector_size, "logical block size in bytes (def=512)");
-MODULE_PARM_DESC(physblk_exp, "physical block exponent (def=0)");
-MODULE_PARM_DESC(opt_blks, "optimal transfer length in block (def=64)");
-MODULE_PARM_DESC(lowest_aligned, "lowest aligned lba (def=0)");
-MODULE_PARM_DESC(dix, "data integrity extensions mask (def=0)");
-MODULE_PARM_DESC(dif, "data integrity field type: 0-3 (def=0)");
-MODULE_PARM_DESC(guard, "protection checksum: 0=crc, 1=ip (def=0)");
-MODULE_PARM_DESC(ato, "application tag ownership: 0=disk 1=host (def=1)");
+MODULE_PARM_DESC(unmap_alignment, "lowest aligned thin provisioning lba (def=0)");
+MODULE_PARM_DESC(unmap_granularity, "thin provisioning granularity in blocks (def=1)");
MODULE_PARM_DESC(unmap_max_blocks, "max # of blocks can be unmapped in one cmd (def=0xffffffff)");
MODULE_PARM_DESC(unmap_max_desc, "max # of ranges that can be unmapped in one cmd (def=256)");
-MODULE_PARM_DESC(unmap_granularity, "thin provisioning granularity in blocks (def=1)");
-MODULE_PARM_DESC(unmap_alignment, "lowest aligned thin provisioning lba (def=0)");
-MODULE_PARM_DESC(tpu, "enable TP, support UNMAP command (def=0)");
-MODULE_PARM_DESC(tpws, "enable TP, support WRITE SAME(16) with UNMAP bit (def=0)");
+MODULE_PARM_DESC(virtual_gb, "virtual gigabyte size (def=0 -> use dev_size_mb)");
+MODULE_PARM_DESC(vpd_use_hostno, "0 -> dev ids ignore hostno (def=1 -> unique dev ids)");
+MODULE_PARM_DESC(write_same_length, "Maximum blocks per WRITE SAME cmd (def=0xffff)");
static char sdebug_info[256];
@@ -3150,7 +3178,7 @@ static ssize_t sdebug_map_show(struct device_driver *ddp, char *buf)
{
ssize_t count;
- if (scsi_debug_tpu == 0 && scsi_debug_tpws == 0)
+ if (!scsi_debug_lbp())
return scnprintf(buf, PAGE_SIZE, "0-%u\n",
sdebug_store_sectors);
@@ -3333,8 +3361,8 @@ static int __init scsi_debug_init(void)
memset(dif_storep, 0xff, dif_size);
}
- /* Thin Provisioning */
- if (scsi_debug_tpu || scsi_debug_tpws) {
+ /* Logical Block Provisioning */
+ if (scsi_debug_lbp()) {
unsigned int map_bytes;
scsi_debug_unmap_max_blocks =
@@ -3664,7 +3692,7 @@ int scsi_debug_queuecommand_lck(struct scsi_cmnd *SCpnt, done_funct_t done)
errsts = resp_readcap16(SCpnt, devip);
else if (cmd[1] == SAI_GET_LBA_STATUS) {
- if (scsi_debug_tpu == 0 && scsi_debug_tpws == 0) {
+ if (scsi_debug_lbp() == 0) {
mk_sense_buffer(devip, ILLEGAL_REQUEST,
INVALID_COMMAND_OPCODE, 0);
errsts = check_condition_result;
@@ -3775,8 +3803,10 @@ write:
}
break;
case WRITE_SAME_16:
+ case WRITE_SAME:
if (cmd[1] & 0x8) {
- if (scsi_debug_tpws == 0) {
+ if ((*cmd == WRITE_SAME_16 && scsi_debug_lbpws == 0) ||
+ (*cmd == WRITE_SAME && scsi_debug_lbpws10 == 0)) {
mk_sense_buffer(devip, ILLEGAL_REQUEST,
INVALID_FIELD_IN_CDB, 0);
errsts = check_condition_result;
@@ -3785,8 +3815,6 @@ write:
}
if (errsts)
break;
- /* fall through */
- case WRITE_SAME:
errsts = check_readiness(SCpnt, 0, devip);
if (errsts)
break;
@@ -3798,7 +3826,7 @@ write:
if (errsts)
break;
- if (scsi_debug_unmap_max_desc == 0 || scsi_debug_tpu == 0) {
+ if (scsi_debug_unmap_max_desc == 0 || scsi_debug_lbpu == 0) {
mk_sense_buffer(devip, ILLEGAL_REQUEST,
INVALID_COMMAND_OPCODE, 0);
errsts = check_condition_result;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-10-31 06:11:21 +0000