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Date: Tue, 06 Dec 2016 01:04:54 +0100 From: Nicolai Stange <nicstange@...il.com> To: Nicolai Stange <nicstange@...il.com> Cc: Christoph Hellwig <hch@...radead.org>, Jens Axboe <axboe@...nel.dk>, Chaitanya Kulkarni <chaitanya.kulkarni@...t.com>, Shaun Tancheff <shaun.tancheff@...gate.com>, Damien Le Moal <damien.lemoal@...t.com>, linux-block@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] block: fix unintended fallthrough in generic_make_request_checks() Nicolai Stange <nicstange@...il.com> writes: > --- > Applicable to next-20161202. > > Note that after this patch, I'm seeing a single > EXT4-fs (dm-1): Delayed block allocation failed for inode 2625094 at > logical offset 2032 with max blocks 2 with error 121 > with 121 == EREMOTEIO > > This is because my SATA sda reports 0x20 (invalid command) back > in response to 0x41 (WRITE_SAME). > > After this has happened, sd_done() disables "write same" once and for > all, hence only this single message. > > I expect this to get fixed by > https://patchwork.kernel.org/patch/9321963/ Just FYI: Not really, the (supposedly) corresponding commit has already been in linux-next when I was testing: commit 0ce1b18c42a5 ("libata: Some drives failing on SCT Write Same"). I sent separate patch for this issue: http://lkml.kernel.org/r/20161205235638.11539-1-nicstange@gmail.com Regards, Nicolai
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