add support for zram compressed tmpfs

[project/procd.git] / initd / early.c

diff --git a/initd/early.c b/initd/early.c
index c622aece14c74c6a082e526bf26b3fc854f2cb58..5a83d2cadb384afc7f18faee1f66fd5c177d9037 100644 (file)
--- a/initd/early.c
+++ b/initd/early.c
@@ -24,25 +24,6 @@
 #include "../log.h"
 #include "init.h"
 
-static void
-early_mounts(void)
-{
-       mount("proc", "/proc", "proc", MS_NOATIME, 0);
-       mount("sysfs", "/sys", "sysfs", MS_NOATIME, 0);
-       mount("none", "/sys/fs/cgroup", "cgroup", 0, 0);
-
-       mount("tmpfs", "/tmp", "tmpfs", MS_NOSUID | MS_NODEV | MS_NOATIME, NULL);
-       mkdir("/tmp/run", 0777);
-       mkdir("/tmp/lock", 0777);
-       mkdir("/tmp/state", 0777);
-       symlink("/tmp", "/var");
-
-       mount("tmpfs", "/dev", "tmpfs", MS_NOATIME, "mode=0755,size=512K");
-       mkdir("/dev/shm", 0755);
-       mkdir("/dev/pts", 0755);
-       mount("devpts", "/dev/pts", "devpts", MS_NOATIME, "mode=600");
-}
-
 static void
 early_dev(void)
 {
@@ -77,6 +58,28 @@ early_console(const char *dev)
        fcntl(STDERR_FILENO, F_SETFL, fcntl(STDERR_FILENO, F_GETFL) | O_NONBLOCK);
 }
 
+static void
+early_mounts(void)
+{
+       mount("proc", "/proc", "proc", MS_NOATIME, 0);
+       mount("sysfs", "/sys", "sysfs", MS_NOATIME, 0);
+       mount("tmpfs", "/dev", "tmpfs", MS_NOATIME, "mode=0755,size=512K");
+       mkdir("/dev/shm", 0755);
+       mkdir("/dev/pts", 0755);
+       mount("devpts", "/dev/pts", "devpts", MS_NOATIME, "mode=600");
+       early_dev();
+
+       early_console("/dev/console");
+       if (mount_zram_on_tmp())
+               mount("tmpfs", "/tmp", "tmpfs", MS_NOSUID | MS_NODEV | MS_NOATIME, NULL);
+       else
+               mkdev("*", 0600);
+       mkdir("/tmp/run", 0777);
+       mkdir("/tmp/lock", 0777);
+       mkdir("/tmp/state", 0777);
+       symlink("/tmp", "/var");
+}
+
 static void
 early_env(void)
 {
@@ -90,9 +93,7 @@ early(void)
                return;
 
        early_mounts();
-       early_dev();
        early_env();
-       early_console("/dev/console");
 
        LOG("Console is alive\n");
 }