linux-kernel - Re: Fwd: Safely remove option shows with Micro SD Card connected to Linux through an Android phone

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Date:	Fri, 14 Dec 2012 11:48:41 +0530
From:	prasannatsmkumar <prasannatsmkumar@...il.com>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	nautilus-list@...me.org
Subject: Re: Fwd: Safely remove option shows with Micro SD Card connected to
 Linux through an Android phone

On Fri, Dec 14, 2012 at 12:49 AM, Alan Stern <stern@...land.harvard.edu> wrote:
> On Thu, 13 Dec 2012, prasannatsmkumar wrote:
>
>> On Thu, Dec 13, 2012 at 11:40 PM, Alan Stern <stern@...land.harvard.edu> wrote:
>> > On Thu, 13 Dec 2012, prasannatsmkumar wrote:
>> >
>> >> On Wed, Dec 12, 2012 at 2:07 AM, Alan Stern <stern@...land.harvard.edu> wrote:
>> >> > STOP UNIT means spin down the disk or eject the disc.  Since your phone
>> >> > doesn't have a disk drive or an optical disc, no wonder this step
>> >> > failed.
>> >>
>> >> Yes of course it does not have a optical disc or disk drive. But I
>> >> thought if there is no such thing nautilus should not try to spin
>> >> down. Linux kernel has nothing to do with this problem though.
>> >
>> > Right.  Bear in mind that nautilus may not have any way of finding out
>> > whether the device has removable media, other than requesting for the
>> > media to be ejected.  But if it doesn't know then failure of the
>> > request shouldn't be reported as an error.
>>
>> Is kernel not exposing this information?
>
> What I wrote earlier was wrong, sorry.

No problem :).


> No, the kernel does not export it.  But user programs can get the
> information directly from the device in exactly the same way that the
> kernel does, by issuing an INQUIRY command.

I will try to file a bug in nautilus project. As I am not in the
nautilus mailing list my mails are not getting delivered.

>
>>  The other OS shows "Eject"
>> for the android device and for other pen drive I get a "safely remove"
>> option - stated this assuming the options in nautilus and the other OS
>> mean the same.
>
> Alan Stern
>

Thanks,
PrasannaKumar
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