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From: Stefan Priebe <s.priebe@profihost.ag>
To: Rolf Fokkens <rolf@rolffokkens.nl>,
	"linux-bcache@vger.kernel.org" <linux-bcache@vger.kernel.org>,
	Kent Overstreet <kmo@daterainc.com>
Subject: Re: bcache fails after reboot if discard is enabled
Date: Sat, 03 Jan 2015 20:32:12 +0100	[thread overview]
Message-ID: <54A843BC.608@profihost.ag> (raw)
In-Reply-To: <54A819A0.9010501@rolffokkens.nl>

Hi Rolf,
Am 03.01.2015 um 17:32 schrieb Rolf Fokkens:
> I've been using discard for a while, but I ran a few times in serious FS
> corruptions. After disabling discard bcache was stable again.
>
> So far I tributed the corruptions to a low-cost SSD which probably
> didn't handle discard very well. But this was only an assumptions.
>
> I didn't experience specific reboot problems like you describe.

Reboot just triggers it faster and even fs crashes can occur the errors 
are just examples.

I've now disabled discards in my kernel code.

Kent may you have a look at the 3.18 kernel code regading discards?

Greets,
Stefan

  reply	other threads:[~2015-01-03 19:31 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-02  9:47 bcache fails after reboot if discard is enabled Stefan Priebe - Profihost AG
2015-01-02 10:00 ` Stefan Priebe - Profihost AG
2015-01-03 16:32   ` Rolf Fokkens
2015-01-03 19:32     ` Stefan Priebe [this message]
2015-01-05  0:06       ` Michael Goertz
2015-02-09 19:46         ` Kai Krakow
2015-04-08  0:06           ` Dan Merillat
2015-04-08 18:17             ` Eric Wheeler
2015-04-08 18:27               ` Stefan Priebe
2015-04-08 19:31                 ` Eric Wheeler
2015-04-08 19:54                   ` Kai Krakow
2015-04-08 22:02                     ` Dan Merillat
2015-04-10 23:00                       ` Kai Krakow
2015-04-11  0:14                         ` Kai Krakow
2015-04-11  6:31                           ` Dan Merillat
2015-04-11  6:54                             ` Dan Merillat
2015-04-11  7:52                               ` Kai Krakow
2015-04-11 18:53                                 ` Dan Merillat
     [not found]                                 ` <CAPL5yKfpk8+6Vw cUVcwJ9QxAZJQmqaa98spCyT7+LekkRvkeAw@mail.gmail.com>
2015-04-11 20:09                                   ` Kai Krakow
2015-04-12  5:56                                     ` Dan Merillat
2015-04-29 17:48                                       ` Dan Merillat
2015-04-29 18:00                                         ` Ming Lin
2015-04-29 19:57                                         ` Kai Krakow
2015-04-08 18:46             ` Kai Krakow
2015-06-05  5:11             ` Kai Krakow

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