* [dm-crypt] cryptsetup remove
@ 2013-10-30 19:20 shyam prasad
2013-11-02 8:45 ` Milan Broz
0 siblings, 1 reply; 2+ messages in thread
From: shyam prasad @ 2013-10-30 19:20 UTC (permalink / raw)
To: dm-crypt
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Hello,
I am using cryptsetup-1.2 without luks and I have noticed that while removing the mapped device using 'cryptsetup remove', cryptsetup does a read operation. I have found that this is not true in cryptsetup-1.5.1. Is this a side effect of a change or was this explicitly modified. If it was intentional, could someone point me to the patch.
Thanks
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [dm-crypt] cryptsetup remove
2013-10-30 19:20 [dm-crypt] cryptsetup remove shyam prasad
@ 2013-11-02 8:45 ` Milan Broz
0 siblings, 0 replies; 2+ messages in thread
From: Milan Broz @ 2013-11-02 8:45 UTC (permalink / raw)
To: shyam prasad, dm-crypt
On 30.10.2013 20:20, shyam prasad wrote:
> Hello,
>
> I am using cryptsetup-1.2 without luks and I have noticed that while
> removing the mapped device using 'cryptsetup remove', cryptsetup does
> a read operation. I have found that this is not true in
> cryptsetup-1.5.1. Is this a side effect of a change or was this
> explicitly modified. If it was intentional, could someone point me to
> the patch.
Can you be more specific? Which read operation, how did you see it
- strace? And what's the real problem?
I do not see any explicit read for removal of plain device.
Note that a lot of scanning can happen through udev rules when some device
is created, modified (it scans device after close for write) etc.
Milan
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2013-10-30 19:20 [dm-crypt] cryptsetup remove shyam prasad
2013-11-02 8:45 ` Milan Broz
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