X-Git-Url: http://nv-tegra.nvidia.com/gitweb/?p=linux-2.6.git;a=blobdiff_plain;f=init%2Fdo_mounts_initrd.c;h=2b108538d0d95684be2048fcc80a7acf484970c4;hp=405f9031af873c1d4631e597e65f123d2fe95e65;hb=99f4692e13ba22b228bdd155473f24ae9bdec1dc;hpb=6e1819d615f24ce0726a7d0bd3dd0152d7b21654 diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c index 405f903..2b10853 100644 --- a/init/do_mounts_initrd.c +++ b/init/do_mounts_initrd.c @@ -1,4 +1,3 @@ -#define __KERNEL_SYSCALLS__ #include #include #include @@ -7,6 +6,7 @@ #include #include #include +#include #include "do_mounts.h" @@ -30,12 +30,8 @@ static int __init do_linuxrc(void * shell) extern char * envp_init[]; sys_close(old_fd);sys_close(root_fd); - sys_close(0);sys_close(1);sys_close(2); sys_setsid(); - (void) sys_open("/dev/console",O_RDWR,0); - (void) sys_dup(0); - (void) sys_dup(0); - return execve(shell, argv, envp_init); + return kernel_execve(shell, argv, envp_init); } static void __init handle_initrd(void) @@ -44,7 +40,7 @@ static void __init handle_initrd(void) int pid; real_root_dev = new_encode_dev(ROOT_DEV); - create_dev("/dev/root.old", Root_RAM0, NULL); + create_dev("/dev/root.old", Root_RAM0); /* mount initrd on rootfs' /root */ mount_block_root("/dev/root.old", root_mountflags & ~MS_RDONLY); sys_mkdir("/old", 0700); @@ -54,14 +50,19 @@ static void __init handle_initrd(void) sys_chdir("/root"); sys_mount(".", "/", NULL, MS_MOVE, NULL); sys_chroot("."); - mount_devfs_fs (); - current->flags |= PF_NOFREEZE; + /* + * In case that a resume from disk is carried out by linuxrc or one of + * its children, we need to tell the freezer not to wait for us. + */ + current->flags |= PF_FREEZER_SKIP; + pid = kernel_thread(do_linuxrc, "/linuxrc", SIGCHLD); - if (pid > 0) { + if (pid > 0) while (pid != sys_wait4(-1, NULL, 0, NULL)) yield(); - } + + current->flags &= ~PF_FREEZER_SKIP; /* move initrd to rootfs' /old */ sys_fchdir(old_fd); @@ -71,7 +72,6 @@ static void __init handle_initrd(void) sys_chroot("."); sys_close(old_fd); sys_close(root_fd); - umount_devfs("/old/dev"); if (new_decode_dev(real_root_dev) == Root_RAM0) { sys_chdir("/old"); @@ -107,7 +107,7 @@ static void __init handle_initrd(void) int __init initrd_load(void) { if (mount_initrd) { - create_dev("/dev/ram", Root_RAM0, NULL); + create_dev("/dev/ram", Root_RAM0); /* * Load the initrd data into /dev/ram0. Execute it as initrd * unless /dev/ram0 is supposed to be our actual root device,