linux-kernel - Re: [PATCH 09/10] block: scsi: sd: use blk_is_valid_logical_block

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Date:   Tue, 21 Jul 2020 15:55:37 +0300
From:   Maxim Levitsky <mlevitsk@...hat.com>
To:     Damien Le Moal <Damien.LeMoal@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc:     Keith Busch <kbusch@...nel.org>,
        Josef Bacik <josef@...icpanda.com>,
        "open list:BLOCK LAYER" <linux-block@...r.kernel.org>,
        Sagi Grimberg <sagi@...mberg.me>, Jens Axboe <axboe@...nel.dk>,
        "open list:NVM EXPRESS DRIVER" <linux-nvme@...ts.infradead.org>,
        "open list:SCSI CDROM DRIVER" <linux-scsi@...r.kernel.org>,
        Tejun Heo <tj@...nel.org>,
        Bart Van Assche <bvanassche@....org>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Jason Wang <jasowang@...hat.com>,
        Maxim Levitsky <maximlevitsky@...il.com>,
        Stefan Hajnoczi <stefanha@...hat.com>,
        Colin Ian King <colin.king@...onical.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Ajay Joshi <Ajay.Joshi@....com>,
        Ming Lei <ming.lei@...hat.com>,
        "open list:SONY MEMORYSTICK SUBSYSTEM" <linux-mmc@...r.kernel.org>,
        Christoph Hellwig <hch@....de>,
        Satya Tangirala <satyat@...gle.com>,
        "open list:NETWORK BLOCK DEVICE (NBD)" <nbd@...er.debian.org>,
        Hou Tao <houtao1@...wei.com>, Jens Axboe <axboe@...com>,
        "open list:VIRTIO CORE AND NET DRIVERS" 
        <virtualization@...ts.linux-foundation.org>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        Alex Dubov <oakad@...oo.com>
Subject: Re: [PATCH 09/10] block: scsi: sd: use
 blk_is_valid_logical_block_size

On Tue, 2020-07-21 at 11:25 +0000, Damien Le Moal wrote:
> On 2020/07/21 19:55, Maxim Levitsky wrote:
> > Use blk_is_valid_logical_block_size instead of hardcoded list
> 
> s/hardcoded list/hardcoded checks./
Done, thanks!

Best regards,
	Maxim Levitsky
> 
> > Signed-off-by: Maxim Levitsky <mlevitsk@...hat.com>
> > ---
> >  drivers/scsi/sd.c | 5 +----
> >  1 file changed, 1 insertion(+), 4 deletions(-)
> > 
> > diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
> > index d90fefffe31b7..f012e7397b058 100644
> > --- a/drivers/scsi/sd.c
> > +++ b/drivers/scsi/sd.c
> > @@ -2520,10 +2520,7 @@ sd_read_capacity(struct scsi_disk *sdkp,
> > unsigned char *buffer)
> >  			  "assuming 512.\n");
> >  	}
> >  
> > -	if (sector_size != 512 &&
> > -	    sector_size != 1024 &&
> > -	    sector_size != 2048 &&
> > -	    sector_size != 4096) {
> > +	if (!blk_is_valid_logical_block_size(sector_size)) {
> >  		sd_printk(KERN_NOTICE, sdkp, "Unsupported sector size
> > %d.\n",
> >  			  sector_size);
> >  		/*
> > 
> 
> With the commit message fixed, looks OK.
> 
> Reviewed-by: Damien Le Moal <damien.lemoal@....com>
>