diff options
Diffstat (limited to 'recipes/linux/linux-omap-pm-2.6.29/omap3-touchbook/aufs-squashfs-mount-to-avoid-initramfs.patch')
| -rw-r--r-- | recipes/linux/linux-omap-pm-2.6.29/omap3-touchbook/aufs-squashfs-mount-to-avoid-initramfs.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-pm-2.6.29/omap3-touchbook/aufs-squashfs-mount-to-avoid-initramfs.patch b/recipes/linux/linux-omap-pm-2.6.29/omap3-touchbook/aufs-squashfs-mount-to-avoid-initramfs.patch new file mode 100644 index 0000000000..9a9b982fef --- /dev/null +++ b/recipes/linux/linux-omap-pm-2.6.29/omap3-touchbook/aufs-squashfs-mount-to-avoid-initramfs.patch @@ -0,0 +1,40 @@ +--- linux-omap-2.6/init/do_mounts.c 2008-11-23 01:22:52.000000000 -0800 ++++ linux-omap-2.6/init/do_mounts.c 2008-11-23 02:17:58.000000000 -0800 +@@ -325,6 +325,37 @@ + + void __init mount_root(void) + { ++ int do_special = 0; ++ if (strcmp(root_device_name, "special") == 0) ++ do_special = 1; ++ //do_special = 1; ++ ++ if (do_special) { ++ dev_t ROOT_DEV_RO; ++ dev_t ROOT_DEV_RW; ++ ++ sys_mkdir("/root-ro", 0700); ++ ROOT_DEV_RO = name_to_dev_t("/dev/mtd4"); ++ create_dev("/dev/root-ro", ROOT_DEV_RO); ++ if (sys_mount("/dev/root-ro", "/root-ro", "squashfs", MS_RDONLY | MS_SILENT, NULL) != 0) { ++ ROOT_DEV_RO = name_to_dev_t("/dev/mmcblk0p2"); ++ create_dev("/dev/root-ro2", ROOT_DEV_RO); ++ if (sys_mount("/dev/root-ro2", "/root-ro", "squashfs", MS_RDONLY | MS_SILENT, NULL) != 0) ++ goto no_special; ++ } ++ ++ sys_mkdir("/root-rw", 0700); ++ ROOT_DEV_RW = name_to_dev_t("/dev/mmcblk0p3"); ++ create_dev("/dev/root-rw", ROOT_DEV_RW); ++ if (sys_mount("/dev/root-rw", "/root-rw", "ext3", MS_SILENT, NULL) != 0) ++ goto no_special; ++ sys_mount("none", "/root", "aufs", 0, "br:/root-rw:/root-ro=ro"); ++ sys_chdir("/root"); ++ return; ++ } ++ ++no_special: ++ + #ifdef CONFIG_ROOT_NFS + if (MAJOR(ROOT_DEV) == UNNAMED_MAJOR) { + if (mount_nfs_root()) |