Messages in this thread | | | Date | Tue, 2 Sep 2008 10:47:45 -0700 | From | "Jared Hulbert" <> | Subject | Re: [PATCH 00/10] AXFS: Advanced XIP filesystem |
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>> How is one expected to read those last 4 bytes of a loopbacked file? >> Are they unreadable? We can add the padding. I am just wondering if >> this is a bug or a known limitation in the loopback handling or if >> there is a different safer way of reading block devs with truncated >> last blocks. > > Can't you just include the final magic into the last block, thereby > making the size a clean multiple of 4k? It looks as if you have some > padding before the magic anyway. So you just have to make sure the > padding is at least 4 bytes and write the magic to the end of it. Apart > from solving this bug, it should also save you some space. ;)
I'm going to have to look into this n*4K thing. The image doesn't need to be aligned. There shouldn't be any last block to put the magic in. But I haven't messed with the mkfs.axfs code for a while.
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