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From: Denis Semakin <d.semakin@omprussia.ru>
To: snitzer <snitzer@redhat.com>
Cc: dm-devel <dm-devel@redhat.com>
Subject: Re: dm table: add support for secure erase forwarding [was: Re: Adaptation secure erase forwarding for 4.1x kernels]
Date: Mon, 26 Mar 2018 17:12:55 +0300 (MSK)	[thread overview]
Message-ID: <1943462632.77431.1522073575389.JavaMail.zimbra@omprussia.ru> (raw)
In-Reply-To: <20180323153844.GA4914@redhat.com>

Also, will it be usefully to add a "get...()" function for
num_secure_erase_bios? Let's say get_num_secure_erase_bios(struct dm_target &ti);
As it's done for num_discard_bios...

----- Исходное сообщение -----
От: "snitzer" <snitzer@redhat.com>
Кому: "Denis Semakin" 
Копия: "dm-devel" <dm-devel@redhat.com>
Отправленные: Пятница, 23 Март 2018 г 18:38:44
Тема: Re: dm table: add support for secure erase forwarding [was: Re: Adaptation secure erase forwarding for 4.1x kernels]

On Fri, Mar 23 2018 at 10:47am -0400,
Denis Semakin  wrote:

> >I'd feel safer about having targets opt-in with setting (a new)
> >ti->num_secure_erase_bios.
> May be add a new field "bool secure_erase_supported:1" in dm_target structure instead?
> And set up it "true" in constructor for linear targets.

No, that type of change is for a DM target to support a feature even if
the underlying device doesn't.

As my previous email elaborated, ti->num_secure_erase_bios is the right
way forward.

Mike
-- 
Best regards,

Denis Semakin
Software Developer
Open Mobile Platform

--
dm-devel mailing list
dm-devel@redhat.com
https://www.redhat.com/mailman/listinfo/dm-devel

  parent reply	other threads:[~2018-03-26 14:12 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-13  9:23 [PATCH] Adaptation secure erase forwarding for 4.1x kernels Denis Semakin
2018-03-22 15:10 ` [PATCH] dm table: add support for secure erase forwarding [was: Re: Adaptation secure erase forwarding for 4.1x kernels] Mike Snitzer
2018-03-23  8:14   ` Denis Semakin
2018-03-23 15:36     ` Mike Snitzer
2018-03-23 13:37   ` [PATCH] " Denis Semakin
2018-03-23 14:47   ` Denis Semakin
2018-03-23 15:38     ` Mike Snitzer
2018-03-26  7:45       ` Denis Semakin
2018-03-26  9:58         ` Denis Semakin
2018-03-26 14:12       ` Denis Semakin [this message]
2018-03-26 16:11         ` Mike Snitzer
2018-03-27  8:54           ` Denis Semakin
2018-03-27  9:03             ` Denis Semakin

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