Re: read-only FS with error -2

[Richard Weinberger <richard@nod.at>]

Ben,

Am Sonntag, 28. Oktober 2018, 16:08:13 CET schrieb Ben Greear: 
> That is not an easy thing to do on random embedded systems.  Possibly I could add a kernel

Debugging random non-development systems is never easy.

> command line option...is that supported?

The UBIFS module takes no parameters. But patches are welcome.
For now you can just use your initramfs (AFAIK OpenWRT has one), boot with rdinit=/bin/sh ...

Or apply a hacky patch like this one to enable chk_fs always...

diff --git a/fs/ubifs/debug.h b/fs/ubifs/debug.h
index 64c6977c189b..ea0ffc0a9660 100644
--- a/fs/ubifs/debug.h
+++ b/fs/ubifs/debug.h
@@ -231,7 +231,7 @@ static inline int dbg_is_chk_lprops(const struct ubifs_info *c)
 }
 static inline int dbg_is_chk_fs(const struct ubifs_info *c)
 {
-	return !!(ubifs_dbg.chk_fs || c->dbg->chk_fs);
+	return 1;
 }
 static inline int dbg_is_tst_rcvry(const struct ubifs_info *c)
 {

Thanks,
//richard