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| author | Lennart Poettering <lennart@poettering.net> | 2019-03-25 17:04:38 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2019-03-25 19:33:55 +0100 |
| commit | 64e82c1976ebab0c7788149da42e5193e9ca2dfb (patch) | |
| tree | 1907a6227d0fc5c33c79425d908ff3de07d64333 /src/nspawn | |
| parent | f0a95a2c6d64436611bca31de1f7662a4066695c (diff) | |
| download | systemd-64e82c1976ebab0c7788149da42e5193e9ca2dfb.tar.gz | |
mount-util: beef up bind_remount_recursive() to be able to toggle more than MS_RDONLY
The function is otherwise generic enough to toggle other bind mount
flags beyond MS_RDONLY (for example: MS_NOSUID or MS_NODEV), hence let's
beef it up slightly to support that too.
Diffstat (limited to 'src/nspawn')
| -rw-r--r-- | src/nspawn/nspawn-mount.c | 6 | ||||
| -rw-r--r-- | src/nspawn/nspawn.c | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/src/nspawn/nspawn-mount.c b/src/nspawn/nspawn-mount.c index a3447d948a..707d0643b4 100644 --- a/src/nspawn/nspawn-mount.c +++ b/src/nspawn/nspawn-mount.c @@ -730,7 +730,7 @@ static int mount_bind(const char *dest, CustomMount *m) { return r; if (m->read_only) { - r = bind_remount_recursive(where, true, NULL); + r = bind_remount_recursive(where, MS_RDONLY, MS_RDONLY, NULL); if (r < 0) return log_error_errno(r, "Read-only bind mount failed: %m"); } @@ -938,7 +938,7 @@ static int setup_volatile_state( /* --volatile=state means we simply overmount /var with a tmpfs, and the rest read-only. */ - r = bind_remount_recursive(directory, true, NULL); + r = bind_remount_recursive(directory, MS_RDONLY, MS_RDONLY, NULL); if (r < 0) return log_error_errno(r, "Failed to remount %s read-only: %m", directory); @@ -1004,7 +1004,7 @@ static int setup_volatile_yes( bind_mounted = true; - r = bind_remount_recursive(t, true, NULL); + r = bind_remount_recursive(t, MS_RDONLY, MS_RDONLY, NULL); if (r < 0) { log_error_errno(r, "Failed to remount %s read-only: %m", t); goto fail; diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c index 5ff02130d6..96a93cde25 100644 --- a/src/nspawn/nspawn.c +++ b/src/nspawn/nspawn.c @@ -3323,7 +3323,7 @@ static int outer_child( return r; if (arg_read_only && arg_volatile_mode == VOLATILE_NO) { - r = bind_remount_recursive(directory, true, NULL); + r = bind_remount_recursive(directory, MS_RDONLY, MS_RDONLY, NULL); if (r < 0) return log_error_errno(r, "Failed to make tree read-only: %m"); } |