Rasmus Villemoes <rasmus.villem...@prevas.dk> writes: > Unlike files accessed via a normal file system, the file->read_hook is > not honoured when using blocklist notation. > > This means that when trying to use a dedicated, 1KiB, raw partition > for the environment block and hence does something like > > save_env --file=(hd0,gpt9)0+2 X Y Z > > this fails with "sparse file not allowed", which is rather unexpected, > as I've explicitly said exactly which blocks should be used. Adding a > little debugging reveals that grub_file_size (file) is 1024 as > expected, but total_length is 0, simply because the callback was never > invoked, so blocklists is an empty list. > > Fix that by honouring the ->read_hook set by the caller, also when a > "file" is specified with blocklist notation.
Gentle ping. This is my first patch to grub so please advise if I have done anything wrong, including if I should/should not explicitly cc maintainers and/or if I should just have more patience :) Rasmus _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel