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List:       busybox
Subject:    "mount,losetup: use /dev/loop-control is it exists" regression
From:       Lauri Kasanen <cand () gmx ! com>
Date:       2019-12-17 9:05:24
Message-ID: 20191217110524.52d862c78a55e02f9f93a45c () gmx ! com
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Hi,

In TC, we noticed a regression from the loop-control commit.
"mount: can't setup loop device: No such file or directory" when trying
to mount more than eight loops, on a kernel with loop-control.

It's possibly a race, could be udev didn't have time to create the
device before bb tried to open() it. Probably bb should mknod() it even
in the loop-control path.

- Lauri
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