openwrt_archive/target/linux/generic/patches-4.1/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch
Jonas Gorski e4528126de generic: add linux 4.1 support
Boot tested: http://pastebin.com/L6aAb9xj

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
[jogo:
  update to 4.1 final
  add patches added since submission
  delete patches applied in later rcs
  restore commit messages in 220-gc-sections and 304-mips_disable_fpu
  fix 050-backport_netfilter_rtcache to match new API
  update inlined dma ops with upstream changes
  add missing config symbols
  enabled CONFIG_MULTIUSER
  update kmod defintions for 4.1
]
Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 46112
2015-06-22 12:27:59 +00:00

54 lines
1.2 KiB
Diff

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
@@ -438,7 +438,27 @@ 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++;
+ default:
+ return err;
+ }
+ }
+
+ return -EINVAL;
+}
+
#ifdef CONFIG_ROOT_NFS
#define NFSROOT_TIMEOUT_MIN 5
@@ -532,6 +552,10 @@ 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);