I'm at a point in a project where hacking some firmware was easy, but resizing a FAT32 partition is turning out to be impossible.
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One of the top #1 reasons why I hate to work with partitions, especially when dualbooting/triplebooting
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Making it bigger should be trivial, so I assume you are shrinking it. Time to grab the MS-DOS defragmentation tool!
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Nope, making it bigger. You'd *think* it would be trivial, but fatresize exits with an error code and no message. Tried some Windows thing and it was taking forever. parted dropped support. I suspect it's nontrivial for some reason like having to make space for a bigger FAT?
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Since it's FAT32, copy data off, create a new, larger partition, copy data back? It can't be that big.
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That's what I ended up doing, and it worked. The goal was to replicate the original storage as closely as possible though, so I wasn't sure if that might introduce a problematic difference.
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I feel like this is a solved problem. What are you trying to do that is gumming up the works?
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At first I was like: Na, that's easy, just write some code that parses the fat, moves some blocks around to make room for the larger FATs and then write it out. Only a few weeks of coding/testing. Easy. Then I realized you wanted an one-off conversion using existing tools.
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Yeah so hacking the firmware took 15 minutes. I'm not about to spend a week writing a FAT resizer.
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