[2/4] man: Describe --root option requirements

Submitted by Radostin Stoyanov on Nov. 10, 2019, 9:15 a.m.

Details

Message ID 20191110091523.24426-2-rstoyanov1@gmail.com
State Accepted
Series "Series without cover letter"
Commit e4f8592534917372b2bb38c25e4e6e5597c7736b
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Commit Message

Radostin Stoyanov Nov. 10, 2019, 9:15 a.m.
These requirements have been described in

https://github.com/opencontainers/runc/blob/b133feae/libcontainer/container_linux.go#L1265

Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>
---
 Documentation/criu.txt | 2 ++
 1 file changed, 2 insertions(+)

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diff --git a/Documentation/criu.txt b/Documentation/criu.txt
index 2729bc95a..133a094c0 100644
--- a/Documentation/criu.txt
+++ b/Documentation/criu.txt
@@ -414,6 +414,8 @@  usually need to be escaped from shell.
 
 *-r*, *--root* 'path'::
     Change the root filesystem to 'path' (when run in a mount namespace).
+    This option is required to restore a mount namespace. The directory
+    'path' must be a mount point and its parent must not be overmounted.
 
 *--external* 'type'*[*'id'*]:*'value'::
     Restore an instance of an external resource. The generic syntax is