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-rw-r--r--drivers/ata/libata-scsi.c1
-rw-r--r--drivers/firewire/sbp2.c1
-rw-r--r--drivers/scsi/3w-9xxx.c3
-rw-r--r--drivers/scsi/3w-sas.c3
-rw-r--r--drivers/scsi/3w-xxxx.c3
-rw-r--r--drivers/scsi/aacraid/linit.c1
-rw-r--r--drivers/scsi/arcmsr/arcmsr_hba.c1
-rw-r--r--drivers/scsi/gdth.c1
-rw-r--r--drivers/scsi/hosts.c1
-rw-r--r--drivers/scsi/hpsa.c1
-rw-r--r--drivers/scsi/ipr.c3
-rw-r--r--drivers/scsi/ips.c1
-rw-r--r--drivers/scsi/megaraid.c1
-rw-r--r--drivers/scsi/megaraid/megaraid_mbox.c1
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c1
-rw-r--r--drivers/scsi/pmcraid.c1
-rw-r--r--drivers/scsi/sd.c6
-rw-r--r--drivers/scsi/storvsc_drv.c1
-rw-r--r--include/scsi/scsi_host.h6
19 files changed, 33 insertions, 4 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 0101af54143..4abdbdff694 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3614,6 +3614,7 @@ int ata_scsi_add_hosts(struct ata_host *host, struct scsi_host_template *sht)
shost->max_lun = 1;
shost->max_channel = 1;
shost->max_cmd_len = 16;
+ shost->no_write_same = 1;
/* Schedule policy is determined by ->qc_defer()
* callback and it needs to see every deferred qc.
diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c
index 47674b91384..c8e3b2c4836 100644
--- a/drivers/firewire/sbp2.c
+++ b/drivers/firewire/sbp2.c
@@ -1626,6 +1626,7 @@ static struct scsi_host_template scsi_driver_template = {
.cmd_per_lun = 1,
.can_queue = 1,
.sdev_attrs = sbp2_scsi_sysfs_attrs,
+ .no_write_same = 1,
};
MODULE_AUTHOR("Kristian Hoegsberg <krh@bitplanet.net>");
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index 5e1e12c0cf4..0a7325361d2 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -2025,7 +2025,8 @@ static struct scsi_host_template driver_template = {
.cmd_per_lun = TW_MAX_CMDS_PER_LUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = twa_host_attrs,
- .emulated = 1
+ .emulated = 1,
+ .no_write_same = 1,
};
/* This function will probe and initialize a card */
diff --git a/drivers/scsi/3w-sas.c b/drivers/scsi/3w-sas.c
index c845bdbeb6c..4de346017e9 100644
--- a/drivers/scsi/3w-sas.c
+++ b/drivers/scsi/3w-sas.c
@@ -1600,7 +1600,8 @@ static struct scsi_host_template driver_template = {
.cmd_per_lun = TW_MAX_CMDS_PER_LUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = twl_host_attrs,
- .emulated = 1
+ .emulated = 1,
+ .no_write_same = 1,
};
/* This function will probe and initialize a card */
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index 56662ae03de..430ee3774c3 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -2277,7 +2277,8 @@ static struct scsi_host_template driver_template = {
.cmd_per_lun = TW_MAX_CMDS_PER_LUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = tw_host_attrs,
- .emulated = 1
+ .emulated = 1,
+ .no_write_same = 1,
};
/* This function will probe and initialize a card */
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index f0d432c139d..4921ed19a02 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -1081,6 +1081,7 @@ static struct scsi_host_template aac_driver_template = {
#endif
.use_clustering = ENABLE_CLUSTERING,
.emulated = 1,
+ .no_write_same = 1,
};
static void __aac_shutdown(struct aac_dev * aac)
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 33c52bc2c7b..278c9fa6206 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -137,6 +137,7 @@ static struct scsi_host_template arcmsr_scsi_host_template = {
.cmd_per_lun = ARCMSR_MAX_CMD_PERLUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = arcmsr_host_attrs,
+ .no_write_same = 1,
};
static struct pci_device_id arcmsr_device_id_table[] = {
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)},
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index 6d55b4e7e79..aec3d4da276 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -4686,6 +4686,7 @@ static struct scsi_host_template gdth_template = {
.cmd_per_lun = GDTH_MAXC_P_L,
.unchecked_isa_dma = 1,
.use_clustering = ENABLE_CLUSTERING,
+ .no_write_same = 1,
};
#ifdef CONFIG_ISA
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index df0c3c71ea4..3cafe0d784b 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -388,6 +388,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
shost->unchecked_isa_dma = sht->unchecked_isa_dma;
shost->use_clustering = sht->use_clustering;
shost->ordered_tag = sht->ordered_tag;
+ shost->no_write_same = sht->no_write_same;
if (sht->supported_mode == MODE_UNKNOWN)
/* means we didn't set it ... default to INITIATOR */
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 8e292aa11c0..0353d7f2172 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -538,6 +538,7 @@ static struct scsi_host_template hpsa_driver_template = {
.sdev_attrs = hpsa_sdev_attrs,
.shost_attrs = hpsa_shost_attrs,
.max_sectors = 8192,
+ .no_write_same = 1,
};
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 6c4cedb44c0..0ff37a5e286 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -6267,7 +6267,8 @@ static struct scsi_host_template driver_template = {
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = ipr_ioa_attrs,
.sdev_attrs = ipr_dev_attrs,
- .proc_name = IPR_NAME
+ .proc_name = IPR_NAME,
+ .no_write_same = 1,
};
/**
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index 8d5ea8a1e5a..52a216f21ae 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -374,6 +374,7 @@ static struct scsi_host_template ips_driver_template = {
.sg_tablesize = IPS_MAX_SG,
.cmd_per_lun = 3,
.use_clustering = ENABLE_CLUSTERING,
+ .no_write_same = 1,
};
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 846f475f62c..60cf7b1f542 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -4244,6 +4244,7 @@ static struct scsi_host_template megaraid_template = {
.eh_device_reset_handler = megaraid_reset,
.eh_bus_reset_handler = megaraid_reset,
.eh_host_reset_handler = megaraid_reset,
+ .no_write_same = 1,
};
static int
diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index e6a1e0b38a1..3316d8031e8 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -367,6 +367,7 @@ static struct scsi_host_template megaraid_template_g = {
.eh_host_reset_handler = megaraid_reset_handler,
.change_queue_depth = megaraid_change_queue_depth,
.use_clustering = ENABLE_CLUSTERING,
+ .no_write_same = 1,
.sdev_attrs = megaraid_sdev_attrs,
.shost_attrs = megaraid_shost_attrs,
};
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 9b60dc129a5..b3e5c178787 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -2099,6 +2099,7 @@ static struct scsi_host_template megasas_template = {
.bios_param = megasas_bios_param,
.use_clustering = ENABLE_CLUSTERING,
.change_queue_depth = megasas_change_queue_depth,
+ .no_write_same = 1,
};
/**
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index 8e1b7377506..bfb72ec277c 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -4314,6 +4314,7 @@ static struct scsi_host_template pmcraid_host_template = {
.this_id = -1,
.sg_tablesize = PMCRAID_MAX_IOADLS,
.max_sectors = PMCRAID_IOA_MAX_SECTORS,
+ .no_write_same = 1,
.cmd_per_lun = PMCRAID_MAX_CMD_PER_LUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = pmcraid_host_attrs,
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 734a29a70f6..9bc913b92d1 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2627,6 +2627,12 @@ static void sd_read_write_same(struct scsi_disk *sdkp, unsigned char *buffer)
{
struct scsi_device *sdev = sdkp->device;
+ if (sdev->host->no_write_same) {
+ sdev->no_write_same = 1;
+
+ return;
+ }
+
if (scsi_report_opcode(sdev, buffer, SD_BUF_SIZE, INQUIRY) < 0) {
sdev->no_report_opcodes = 1;
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 16a3a0cc967..fb7437dd5b7 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1454,6 +1454,7 @@ static struct scsi_host_template scsi_driver = {
.use_clustering = DISABLE_CLUSTERING,
/* Make sure we dont get a sg segment crosses a page boundary */
.dma_boundary = PAGE_SIZE-1,
+ .no_write_same = 1,
};
enum {
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 75524357221..50769a72166 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -475,6 +475,9 @@ struct scsi_host_template {
*/
unsigned ordered_tag:1;
+ /* True if the controller does not support WRITE SAME */
+ unsigned no_write_same:1;
+
/*
* Countdown for host blocking with no commands outstanding.
*/
@@ -674,6 +677,9 @@ struct Scsi_Host {
/* Don't resume host in EH */
unsigned eh_noresume:1;
+ /* The controller does not support WRITE SAME */
+ unsigned no_write_same:1;
+
/*
* Optional work queue to be utilized by the transport
*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 01:24:19 +0000