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bug#21272: partprobe does not wait for refresh of partition info
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From: |
Brian C. Lane |
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Subject: |
bug#21272: partprobe does not wait for refresh of partition info |
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Date: |
Wed, 23 Sep 2015 16:40:47 -0700 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Fri, Sep 18, 2015 at 03:59:09PM -0400, Phil Susi wrote:
> On 8/17/2015 11:58 AM, Brian C. Lane wrote:
> > udev is responsible for making sure the device nodes are correct. You
> > can't depend on them being present without checking for them first. A
> > udevadm settle after partprobe may also help.
>
> IIRC, libparted contacts udev to wait for the dev node to be created so
> this shouldn't happen. At least if it was configured with udev.
>
That's only done for device-mapper devices. udev (especially
systemd-udev) can trigger async. actions so you have to watch out for
how parted is being called. See my patch for opening things read-only
initially for more details.
--
Brian C. Lane | Anaconda Team | IRC: bcl #anaconda | Port Orchard, WA (PST8PDT)