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Ext4 is now the primary filesystem on my laptop

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Linux

Over the weekend, I converted my laptop to use the ext4 filesystem. So far so good! So far I’ve found one bug as a result of my using ext4 in production (if delayed allocation is enabled, i_blocks doesn’t get updated until the block allocation takes place, so files can appear to have 0k blocksize right after they are created, which is confusing/unfortunate), but nothing super serious yet. I will be doing backups a bit more frequently until I’m absolutely sure things are rock solid, though!

I am using the latest ext4 patches and the tip of the e2fsprogs git repository. Hopefully when we get the bulk of the patches merged into the mainline kernel, it’ll be ready for much more wide-spread testing.

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