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authorLinus Torvalds <torvalds@linux-foundation.org>2018-12-18 09:38:34 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-12-18 09:38:34 -0800
commitddfbab46539f2d37a9e9d357b054486b51f7dc27 (patch)
treecc0b0f3cc61f691e65e2bf2613a88e50a97a0f85 /include
parent1a9430db2835c0c00acc87d915b573496998c1bf (diff)
parent60a89a3ce0cce515dc663bc1b45ac89202ad6c79 (diff)
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley: "Three fixes: The t10-pi one is a regression from the 4.19 release, the qla2xxx one is a 4.20 merge window regression and the bnx2fc is a very old bug" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: t10-pi: Return correct ref tag when queue has no integrity profile scsi: bnx2fc: Fix NULL dereference in error handling Revert "scsi: qla2xxx: Fix NVMe Target discovery"
Diffstat (limited to 'include')
-rw-r--r--include/linux/t10-pi.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/t10-pi.h b/include/linux/t10-pi.h
index b9626aa7e90c..3e2a80cc7b56 100644
--- a/include/linux/t10-pi.h
+++ b/include/linux/t10-pi.h
@@ -39,12 +39,13 @@ struct t10_pi_tuple {
static inline u32 t10_pi_ref_tag(struct request *rq)
{
+ unsigned int shift = ilog2(queue_logical_block_size(rq->q));
+
#ifdef CONFIG_BLK_DEV_INTEGRITY
- return blk_rq_pos(rq) >>
- (rq->q->integrity.interval_exp - 9) & 0xffffffff;
-#else
- return -1U;
+ if (rq->q->integrity.interval_exp)
+ shift = rq->q->integrity.interval_exp;
#endif
+ return blk_rq_pos(rq) >> (shift - SECTOR_SHIFT) & 0xffffffff;
}
extern const struct blk_integrity_profile t10_pi_type1_crc;