diff options
Diffstat (limited to 'drivers/target/target_core_iblock.c')
| -rw-r--r-- | drivers/target/target_core_iblock.c | 49 |
1 files changed, 26 insertions, 23 deletions
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 7f6ca8177845..a3e09adc4e76 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -148,35 +148,38 @@ 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; - } + else + dev->dev_attrib.pi_prot_type = TARGET_DIF_TYPE3_PROT; + break; + default: + break; + } - 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); + if (dev->dev_attrib.pi_prot_type) { + struct bio_set *bs = &ib_dev->ibd_bio_set; + + 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; } - dev->dev_attrib.hw_pi_prot_type = dev->dev_attrib.pi_prot_type; + 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; return 0; out_blkdev_put: |