move /dev/shm to /tmp/shm

Since the /dev filesystem is tiny, /dev/shm needs to live somewhere
else.

Signed-off-by: Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>

diff --git a/initd/early.c b/initd/early.c
index 3f9cf69..89c8104 100644 (file)
--- a/initd/early.c
+++ b/initd/early.c
@@ -66,16 +66,20 @@ early_mounts(void)
        mount("sysfs", "/sys", "sysfs", MS_NOATIME, 0);
        mount("none", "/sys/fs/cgroup", "cgroup", 0, 0);
        mount("tmpfs", "/dev", "tmpfs", MS_NOATIME, "mode=0755,size=512K");
-       mkdir("/dev/shm", 01777);
+       symlink("/tmp/shm", "/dev/shm");
        mkdir("/dev/pts", 0755);
        mount("devpts", "/dev/pts", "devpts", MS_NOATIME, "mode=600");
        early_dev();
 
        early_console("/dev/console");
-       if (mount_zram_on_tmp())
+       if (mount_zram_on_tmp()) {
                mount("tmpfs", "/tmp", "tmpfs", MS_NOSUID | MS_NODEV | MS_NOATIME, NULL);
-       else
-               mkdev("*", 0600);
+               mkdir("/tmp/shm", 01777);
+       } else {
+               mkdir("/tmp/shm", 01777);
+               mount("tmpfs", "/tmp/shm", "tmpfs", MS_NOSUID | MS_NODEV | MS_NOATIME,
+                               "mode=01777");
+       }
        mkdir("/tmp/run", 0777);
        mkdir("/tmp/lock", 0777);
        mkdir("/tmp/state", 0777);

diff --git a/plug/coldplug.c b/plug/coldplug.c
index d3a607d..bfd3513 100644 (file)
--- a/plug/coldplug.c
+++ b/plug/coldplug.c
@@ -45,7 +45,7 @@ void procd_coldplug(void)
        umount2("/dev/pts", MNT_DETACH);
        umount2("/dev/", MNT_DETACH);
        mount("tmpfs", "/dev", "tmpfs", 0, "mode=0755,size=512K");
-       mkdir("/dev/shm", 01777);
+       symlink("/tmp/shm", "/dev/shm");
        mkdir("/dev/pts", 0755);
        umask(oldumask);
        mount("devpts", "/dev/pts", "devpts", 0, 0);