AuxXxilium/linux_dsm_epyc7002
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target: Use struct t10_pi_tuple

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Its not a good idea to keep target specific definition of
the same t10-pi tuple.

(Fix v4.2-rc1 patch fuzz - nab)

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Sagi Grimberg 2015-06-29 13:08:19 +03:00 committed by Nicholas Bellinger
parent 1c4c7159ed
commit fe052a1810
3 changed files with 7 additions and 12 deletions
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2
drivers/target/target_core_device.c
View File

@ -754,7 +754,7 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name)
dev->dev_link_magic = SE_DEV_LINK_MAGIC;
dev->se_hba = hba;
dev->transport = hba->backend->ops;
dev->prot_length = sizeof(struct se_dif_v1_tuple);
dev->prot_length = sizeof(struct t10_pi_tuple);
dev->hba_index = hba->hba_index;
INIT_LIST_HEAD(&dev->dev_list);

10
drivers/target/target_core_sbc.c
View File

@ -1191,7 +1191,7 @@ void
sbc_dif_generate(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
struct se_dif_v1_tuple *sdt;
struct t10_pi_tuple *sdt;
struct scatterlist *dsg = cmd->t_data_sg, *psg;
sector_t sector = cmd->t_task_lba;
void *daddr, *paddr;
@ -1203,7 +1203,7 @@ sbc_dif_generate(struct se_cmd *cmd)
daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;
for (j = 0; j < psg->length;
j += sizeof(struct se_dif_v1_tuple)) {
j += sizeof(*sdt)) {
__u16 crc;
unsigned int avail;
@ -1256,7 +1256,7 @@ sbc_dif_generate(struct se_cmd *cmd)
}
static sense_reason_t
sbc_dif_v1_verify(struct se_cmd *cmd, struct se_dif_v1_tuple *sdt,
sbc_dif_v1_verify(struct se_cmd *cmd, struct t10_pi_tuple *sdt,
__u16 crc, sector_t sector, unsigned int ei_lba)
{
__be16 csum;
@ -1346,7 +1346,7 @@ sbc_dif_verify(struct se_cmd *cmd, sector_t start, unsigned int sectors,
unsigned int ei_lba, struct scatterlist *psg, int psg_off)
{
struct se_device *dev = cmd->se_dev;
struct se_dif_v1_tuple *sdt;
struct t10_pi_tuple *sdt;
struct scatterlist *dsg = cmd->t_data_sg;
sector_t sector = start;
void *daddr, *paddr;
@ -1361,7 +1361,7 @@ sbc_dif_verify(struct se_cmd *cmd, sector_t start, unsigned int sectors,
for (i = psg_off; i < psg->length &&
sector < start + sectors;
i += sizeof(struct se_dif_v1_tuple)) {
i += sizeof(*sdt)) {
__u16 crc;
unsigned int avail;

7
include/target/target_core_base.h
View File

@ -6,6 +6,7 @@
#include <linux/dma-mapping.h>
#include <linux/blkdev.h>
#include <linux/percpu_ida.h>
#include <linux/t10-pi.h>
#include <net/sock.h>
#include <net/tcp.h>
@ -426,12 +427,6 @@ enum target_core_dif_check {
TARGET_DIF_CHECK_REFTAG = 0x1 << 2,
};
struct se_dif_v1_tuple {
__be16 guard_tag;
__be16 app_tag;
__be32 ref_tag;
};
/* for sam_task_attr */
#define TCM_SIMPLE_TAG 0x20
#define TCM_HEAD_TAG 0x21