Re: [PATCH 1/1] Drivers: hv: Add a new driver to support hostinitiated backup

From: Olaf Hering
Date: Thu Mar 14 2013 - 05:30:00 EST


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
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