From: Benjamin Block <bblock@linux.ibm.com>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Subject: Re: [PATCH 12/15] scsi: core: Make scsi_get_lba() return the LBA
Date: Mon, 14 Jun 2021 16:50:12 +0200 [thread overview]
Message-ID: <YMdspAy63qF1h8aI@t480-pf1aa2c2.linux.ibm.com> (raw)
In-Reply-To: <20210609033929.3815-13-martin.petersen@oracle.com>
On Tue, Jun 08, 2021 at 11:39:26PM -0400, Martin K. Petersen wrote:
> scsi_get_lba() confusingly returned the block layer sector number
> expressed in units of 512 bytes. Now that we have a more aptly named
> scsi_get_sector() function, make scsi_get_lba() return the actual LBA.
>
> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
> ---
> include/scsi/scsi_cmnd.h | 12 +++++++-----
> 1 file changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
> index cba63377d46a..90da9617d28a 100644
> --- a/include/scsi/scsi_cmnd.h
> +++ b/include/scsi/scsi_cmnd.h
> @@ -225,6 +225,13 @@ static inline sector_t scsi_get_sector(struct scsi_cmnd *scmd)
> return blk_rq_pos(scmd->request);
> }
>
> +static inline sector_t scsi_get_lba(struct scsi_cmnd *scmd)
> +{
> + unsigned int shift = ilog2(scmd->device->sector_size) - SECTOR_SHIFT;
> +
> + return blk_rq_pos(scmd->request) >> shift;
Hmm again, should it use `blk_mq_rq_from_pdu()`?
--
Best Regards, Benjamin Block / Linux on IBM Z Kernel Development / IBM Systems
IBM Deutschland Research & Development GmbH / https://www.ibm.com/privacy
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next prev parent reply other threads:[~2021-06-14 14:50 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-09 3:39 [PATCH 00/15] Subject: Protection information and block size cleanup Martin K. Petersen
2021-06-09 3:39 ` [PATCH 01/15] scsi: core: Add scsi_prot_ref_tag() helper Martin K. Petersen
2021-06-09 19:55 ` Bart Van Assche
2021-06-14 14:33 ` Benjamin Block
2021-06-09 3:39 ` [PATCH 02/15] scsi: lpfc: Use the proper SCSI midlayer interfaces for PI Martin K. Petersen
2021-06-09 3:39 ` [PATCH 03/15] scsi: qla2xxx: " Martin K. Petersen
2021-06-17 0:15 ` Arun Easi
2021-06-09 3:39 ` [PATCH 04/15] scsi: mpt3sas: " Martin K. Petersen
2021-06-09 3:39 ` [PATCH 05/15] scsi: mpi3mr: " Martin K. Petersen
2021-06-09 3:39 ` [PATCH 06/15] scsi: zfcp: " Martin K. Petersen
2021-06-14 14:33 ` Benjamin Block
2021-06-15 2:27 ` Martin K. Petersen
2021-06-15 9:31 ` Benjamin Block
2021-06-09 3:39 ` [PATCH 07/15] scsi: isci: " Martin K. Petersen
2021-06-09 3:39 ` [PATCH 08/15] scsi: scsi_debug: Remove dump_sector() Martin K. Petersen
2021-06-09 19:55 ` Bart Van Assche
2021-06-14 22:06 ` Douglas Gilbert
2021-06-09 3:39 ` [PATCH 09/15] scsi: scsi_debug: Improve RDPROTECT/WRPROTECT handling Martin K. Petersen
2021-06-14 22:07 ` Douglas Gilbert
2021-06-09 3:39 ` [PATCH 10/15] scsi: core: Introduce scsi_get_sector() Martin K. Petersen
2021-06-14 14:48 ` Benjamin Block
2021-06-15 2:28 ` Martin K. Petersen
2021-06-15 9:33 ` Benjamin Block
2021-06-09 3:39 ` [PATCH 11/15] scsi: iser: Use scsi_get_sector() instead of scsi_get_lba() Martin K. Petersen
2021-06-09 3:39 ` [PATCH 12/15] scsi: core: Make scsi_get_lba() return the LBA Martin K. Petersen
2021-06-09 19:57 ` Bart Van Assche
2021-06-14 14:50 ` Benjamin Block [this message]
2021-06-15 9:34 ` Benjamin Block
2021-06-09 3:39 ` [PATCH 13/15] scsi: core: Add helper to return number of logical blocks in a request Martin K. Petersen
2021-06-09 19:58 ` Bart Van Assche
2021-06-10 3:19 ` Martin K. Petersen
2021-06-10 3:40 ` Bart Van Assche
2021-06-09 3:39 ` [PATCH 14/15] scsi: lpfc: Switch to scsi_get_block_count() Martin K. Petersen
2021-06-09 3:39 ` [PATCH 15/15] scsi: ufs: core: Use scsi_get_lba() to get LBA Martin K. Petersen
2021-06-09 19:59 ` Bart Van Assche
2021-07-16 21:27 ` [PATCH 00/15] Subject: Protection information and block size cleanup Bart Van Assche
2021-07-19 1:43 ` Martin K. Petersen
2021-07-21 3:53 ` Bart Van Assche
2021-07-24 2:13 ` Martin K. Petersen
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