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Diffstat (limited to 'src/core/mount-setup.c')
| -rw-r--r-- | src/core/mount-setup.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/core/mount-setup.c b/src/core/mount-setup.c index c10c6dad1..e86a89321 100644 --- a/src/core/mount-setup.c +++ b/src/core/mount-setup.c @@ -400,6 +400,15 @@ int mount_setup(bool loaded_policy) { * udevd. */ dev_setup(); + /* Mark the root directory as shared in regards to mount + * propagation. The kernel defaults to "private", but we think + * it makes more sense to have a default of "shared" so that + * nspawn and the container tools work out of the box. If + * specific setups need other settings they can reset the + * propagation mode to private if needed. */ + if (mount(NULL, "/", NULL, MS_REC|MS_SHARED, NULL) < 0) + log_warning("Failed to set up the root directory for shared mount propagation: %m"); + /* Create a few directories we always want around */ mkdir_label("/run/systemd", 0755); mkdir_label("/run/systemd/system", 0755); |