On Tue, Nov 19, 2024 at 06:54:52PM +0300, Alexey Dobriyan wrote: > Block drivers and DM sometimes use EROFS to report errors. There is > no confusion about what happens but naive error reporting code might > pass -EROFS to strerror(3) which will print "filesystem" when clearly > there is no filesystem anywhere, it is layer above. > > Or in other words, if EROFS exists, why not EROBLK? > It is not like there is a tax on errno values. And where would you return this value without breaking existing userspace?
