linux-kernel - [PATCH 0/6] block: Consolidate scsi sense buffer usage

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Date:   Tue, 22 May 2018 11:15:06 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Kees Cook <keescook@...omium.org>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        James Bottomley <James.Bottomley@...senpartnership.com>,
        Tejun Heo <tj@...nel.org>, Borislav Petkov <bp@...en8.de>,
        "David S. Miller" <davem@...emloft.net>,
        "Manoj N. Kumar" <manoj@...ux.vnet.ibm.com>,
        "Matthew R. Ochs" <mrochs@...ux.vnet.ibm.com>,
        Uma Krishnan <ukrishn@...ux.vnet.ibm.com>,
        linux-block@...r.kernel.org, linux-ide@...r.kernel.org,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 0/6] block: Consolidate scsi sense buffer usage

This is a follow-up to commit f7068114d45e ("sr: pass down correctly
sized SCSI sense buffer") which further cleans up and removes needless
sense character array buffers and "struct request_sense" usage in favor
of the common "struct scsi_sense_hdr".

First, drop a bunch of unused sense buffers:
 [PATCH 1/6] ide-cd: Drop unused sense buffers
 [PATCH 2/6] scsi: cxlflash: Drop unused sense buffers

Next, split out struct scsi_sense_hdr:
 [PATCH 3/6] block: Create scsi_sense.h for SCSI and ATAPI

Then move all request_sense usage to scsi_sense_hdr:
 [PATCH 4/6] block: Consolidate scsi sense buffer usage

Finally add a build-time check to make sure we don't pass bad buffer sizes:
 [PATCH 5/6] libata-scsi: Move sense buffers onto stack
 [PATCH 6/6] scsi: Check sense buffer size at build time

-Kees