UPSTREAM: erofs-utils: add missing errors and normalize errors to lower-case

* Added useful error messages.
* Most errors start with lower-case, let's make all non-summarizing
  error messages lower-case for better consistency.
* Sorted default values in fsck's main function to match the struct.

Signed-off-by: Igor Ostapenko <>
Signed-off-by: Gao Xiang <>
Change-Id: Ic905051925a8e63b1ad09b8a3c6d8d405c8ac3b1
3 files changed