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hooks: drop namespace references before post-stop #2898

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merged 1 commit into from Mar 11, 2019

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brauner commented Mar 10, 2019

Callers such as LXD run post-stop hooks to perform cleanup operations on
shutdown. This can involve umount and other things. To avoid surprises with
lingering namespace references we should close all our namespace-preserving
file descriptors. We don't need them at this point anymore anyway.

Signed-off-by: Christian Brauner christian.brauner@ubuntu.com

hooks: drop namespace references before post-stop
Callers such as LXD run post-stop hooks to perform cleanup operations on
shutdown. This can involve umount and other things. To avoid surprises with
lingering namespace references we should close all our namespace-preserving
file descriptors. We don't need them at this point anymore anyway.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

@stgraber stgraber merged commit 7f240f4 into lxc:master Mar 11, 2019

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