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From: Olaf Hering <olaf@aepfle.de>
To: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
	devel@linuxdriverproject.org, apw@canonical.com,
	jasowang@redhat.com, Evgeniy Polyakov <zbr@ioremap.net>
Subject: Re: [PATCH 1/1] Drivers: hv: Add a new driver to support host initiated backup
Date: Thu, 14 Mar 2013 10:29:52 +0100	[thread overview]
Message-ID: <20130314092952.GA29201@aepfle.de> (raw)
In-Reply-To: <20130312184839.GA30976@aepfle.de>

On Tue, Mar 12, Olaf Hering wrote:

> On Tue, Mar 12, K. Y. Srinivasan wrote:
> 
> > +static int vss_operate(int operation)
> > +{
> > +	char *fs_op;
> > +	char cmd[512];
> > +	char buf[512];
> > +	FILE *file;
> > +	char *p;
> > +	char *x;
> > +	int error;
> > +
> > +	switch (operation) {
> > +	case VSS_OP_FREEZE:
> > +		fs_op = "-f ";
> > +		break;
> > +	case VSS_OP_THAW:
> > +		fs_op = "-u ";
> > +		break;
> > +	}
> > +
> > +	sprintf(cmd, "%s", "mount | grep ^/dev/ | awk '{print $3 }'");
> 
> I think this can be char cmd[] = "mount | awk '/^\/dev\/ { print $3'";

After thinking about this part, perhaps start a helper script which has
to provide as output the list of the mounted filesystems?

Olaf

  parent reply	other threads:[~2013-03-14  9:29 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-12 18:53 [PATCH 1/1] Drivers: hv: Add a new driver to support host initiated backup K. Y. Srinivasan
2013-03-12 18:48 ` Olaf Hering
2013-03-12 21:49   ` KY Srinivasan
2013-03-14  9:29   ` Olaf Hering [this message]
  -- strict thread matches above, loose matches on Subject: below --
2013-03-12 18:29 K. Y. Srinivasan
2013-03-12 18:01 ` KY Srinivasan

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