Re: loop subsystem corrupted after mounting multiple btrfs sub-volumes

From: Valdis . Kletnieks
Date: Fri Feb 26 2016 - 17:14:12 EST


On Fri, 26 Feb 2016 22:00:44 +0100, Stanislav Brabec said:

> Well, it seems to be safe, even if the loop device was not allocated by
> mount(8) itself, as
> ioctl(fd, LOOP_CLR_FD)
> never returns EBUSY:

The fact you don't get an EBUSY doesn't mean it's actually safe....

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