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path: root/drivers/target/target_core_iblock.c
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Diffstat (limited to 'drivers/target/target_core_iblock.c')
-rw-r--r--drivers/target/target_core_iblock.c43
1 files changed, 17 insertions, 26 deletions
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 7f6ca8177845..73564efd11d2 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -26,7 +26,7 @@
#include <linux/pr.h>
#include <scsi/scsi_proto.h>
#include <scsi/scsi_common.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <target/target_core_base.h>
#include <target/target_core_backend.h>
@@ -148,35 +148,26 @@ static int iblock_configure_device(struct se_device *dev)
dev->dev_attrib.is_nonrot = 1;
bi = bdev_get_integrity(bd);
- if (bi) {
- struct bio_set *bs = &ib_dev->ibd_bio_set;
-
- if (!strcmp(bi->profile->name, "T10-DIF-TYPE3-IP") ||
- !strcmp(bi->profile->name, "T10-DIF-TYPE1-IP")) {
- pr_err("IBLOCK export of blk_integrity: %s not"
- " supported\n", bi->profile->name);
- ret = -ENOSYS;
- goto out_blkdev_put;
- }
+ if (!bi)
+ return 0;
- if (!strcmp(bi->profile->name, "T10-DIF-TYPE3-CRC")) {
- dev->dev_attrib.pi_prot_type = TARGET_DIF_TYPE3_PROT;
- } else if (!strcmp(bi->profile->name, "T10-DIF-TYPE1-CRC")) {
+ switch (bi->csum_type) {
+ case BLK_INTEGRITY_CSUM_IP:
+ pr_err("IBLOCK export of blk_integrity: %s not supported\n",
+ blk_integrity_profile_name(bi));
+ ret = -ENOSYS;
+ goto out_blkdev_put;
+ case BLK_INTEGRITY_CSUM_CRC:
+ if (bi->flags & BLK_INTEGRITY_REF_TAG)
dev->dev_attrib.pi_prot_type = TARGET_DIF_TYPE1_PROT;
- }
-
- if (dev->dev_attrib.pi_prot_type) {
- if (bioset_integrity_create(bs, IBLOCK_BIO_POOL_SIZE) < 0) {
- pr_err("Unable to allocate bioset for PI\n");
- ret = -ENOMEM;
- goto out_blkdev_put;
- }
- pr_debug("IBLOCK setup BIP bs->bio_integrity_pool: %p\n",
- &bs->bio_integrity_pool);
- }
- dev->dev_attrib.hw_pi_prot_type = dev->dev_attrib.pi_prot_type;
+ else
+ dev->dev_attrib.pi_prot_type = TARGET_DIF_TYPE3_PROT;
+ break;
+ default:
+ break;
}
+ dev->dev_attrib.hw_pi_prot_type = dev->dev_attrib.pi_prot_type;
return 0;
out_blkdev_put: