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From eea9e1785e4c05c2a3444506aabafa0ae958538f Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Sat, 17 May 2014 03:35:02 +0200
Subject: [PATCH 4/5] try auto-mounting ubi0:rootfs in init/do_mounts.c
To: openwrt-devel@lists.openwrt.org
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
init/do_mounts.c | 26 +++++++++++++++++++++++++-
1 file changed, 25 insertions(+), 1 deletion(-)
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -433,7 +433,28 @@ retry:
out:
put_page(page);
}
-
+
+static int __init mount_ubi_rootfs(void)
+{
+ int flags = MS_SILENT;
+ int err, tried = 0;
+
+ while (tried < 2) {
+ err = do_mount_root("ubi0:rootfs", "ubifs", flags, \
+ root_mount_data);
+ switch (err) {
+ case -EACCES:
+ flags |= MS_RDONLY;
+ tried++;
+ break;
+ default:
+ return err;
+ }
+ }
+
+ return -EINVAL;
+}
+
#ifdef CONFIG_ROOT_NFS
#define NFSROOT_TIMEOUT_MIN 5
@@ -527,6 +548,10 @@ void __init mount_root(void)
change_floppy("root floppy");
}
#endif
+#ifdef CONFIG_MTD_ROOTFS_ROOT_DEV
+ if (!mount_ubi_rootfs())
+ return;
+#endif
#ifdef CONFIG_BLOCK
create_dev("/dev/root", ROOT_DEV);
mount_block_root("/dev/root", root_mountflags);
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