[PATCH 03/11] block: remove the BIP_IP_CHECKSUM flag
Christoph Hellwig
hch at lst.de
Thu Jun 6 22:58:57 PDT 2024
Remove the BIP_IP_CHECKSUM as sd can just look at the per-disk
checksum type instead.
Signed-off-by: Christoph Hellwig <hch at lst.de>
Reviewed-by: Bart Van Assche <bvanassche at acm.org>
Reviewed-by: Kanchan Joshi <joshi.k at samsung.com>
Reviewed-by: Chaitanya Kulkarni <kch at nvidia.com>
---
block/bio-integrity.c | 3 ---
drivers/scsi/sd.c | 6 +++---
include/linux/bio.h | 5 ++---
3 files changed, 5 insertions(+), 9 deletions(-)
diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index af7f71d16114de..c69da65759af89 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -488,9 +488,6 @@ bool bio_integrity_prep(struct bio *bio)
bip->bip_flags |= BIP_BLOCK_INTEGRITY;
bip_set_seed(bip, bio->bi_iter.bi_sector);
- if (bi->flags & BLK_INTEGRITY_IP_CHECKSUM)
- bip->bip_flags |= BIP_IP_CHECKSUM;
-
/* Map it */
offset = offset_in_page(buf);
for (i = 0; i < nr_pages && len > 0; i++) {
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index b477383ccc3b2a..e21b7df5c31b0d 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -43,7 +43,7 @@
#include <linux/idr.h>
#include <linux/interrupt.h>
#include <linux/init.h>
-#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/blkpg.h>
#include <linux/blk-pm.h>
#include <linux/delay.h>
@@ -799,12 +799,12 @@ static unsigned char sd_setup_protect_cmnd(struct scsi_cmnd *scmd,
unsigned int dix, unsigned int dif)
{
struct request *rq = scsi_cmd_to_rq(scmd);
- struct bio *bio = rq->bio;
+ struct blk_integrity *bi = &rq->q->integrity;
unsigned int prot_op = sd_prot_op(rq_data_dir(rq), dix, dif);
unsigned int protect = 0;
if (dix) { /* DIX Type 0, 1, 2, 3 */
- if (bio_integrity_flagged(bio, BIP_IP_CHECKSUM))
+ if (bi->flags & BLK_INTEGRITY_IP_CHECKSUM)
scmd->prot_flags |= SCSI_PROT_IP_CHECKSUM;
scmd->prot_flags |= SCSI_PROT_GUARD_CHECK;
}
diff --git a/include/linux/bio.h b/include/linux/bio.h
index ec5dcf8635ac66..3295dd6021659b 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -324,9 +324,8 @@ static inline void bio_next_folio(struct folio_iter *fi, struct bio *bio)
enum bip_flags {
BIP_BLOCK_INTEGRITY = 1 << 0, /* block layer owns integrity data */
BIP_MAPPED_INTEGRITY = 1 << 1, /* ref tag has been remapped */
- BIP_IP_CHECKSUM = 1 << 4, /* IP checksum */
- BIP_INTEGRITY_USER = 1 << 5, /* Integrity payload is user address */
- BIP_COPY_USER = 1 << 6, /* Kernel bounce buffer in use */
+ BIP_INTEGRITY_USER = 1 << 2, /* Integrity payload is user address */
+ BIP_COPY_USER = 1 << 3, /* Kernel bounce buffer in use */
};
/*
--
2.43.0
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