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authorJohn Crispin <john@phrozen.org>2016-12-25 20:11:34 +0100
committerJohn Crispin <john@phrozen.org>2017-08-05 08:46:36 +0200
commit74d00a8c3849c1340efd713eb94b786e304c201f (patch)
treede481743de61c34da96ab5f9dba3af3edcfb8260 /target/linux/generic/pending-4.9/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch
parentde350550ef648d9728351b986b0516fa29465c45 (diff)
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kernel: split patches folder up into backport, pending and hack folders
* properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin <john@phrozen.org>
Diffstat (limited to 'target/linux/generic/pending-4.9/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch')
-rw-r--r--target/linux/generic/pending-4.9/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch51
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.9/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch b/target/linux/generic/pending-4.9/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch
new file mode 100644
index 0000000000..69a35c25e7
--- /dev/null
+++ b/target/linux/generic/pending-4.9/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch
@@ -0,0 +1,51 @@
+From: Daniel Golle <daniel@makrotopia.org>
+Subject: try auto-mounting ubi0:rootfs in init/do_mounts.c
+
+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 +438,28 @@ 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
+@@ -532,6 +553,10 @@ 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
+ {
+ int err = create_dev("/dev/root", ROOT_DEV);