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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-18 09:38:34 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-18 09:38:34 -0800 |
| commit | ddfbab46539f2d37a9e9d357b054486b51f7dc27 (patch) | |
| tree | cc0b0f3cc61f691e65e2bf2613a88e50a97a0f85 /include/linux/t10-pi.h | |
| parent | ima: cleanup the match_token policy code (diff) | |
| parent | scsi: t10-pi: Return correct ref tag when queue has no integrity profile (diff) | |
| download | linux-dev-ddfbab46539f2d37a9e9d357b054486b51f7dc27.tar.xz linux-dev-ddfbab46539f2d37a9e9d357b054486b51f7dc27.zip | |
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/linux/t10-pi.h')
| -rw-r--r-- | include/linux/t10-pi.h | 9 |
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; |