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Ext4 fast_commit feature

cn flag

Since 5.10 kernel there is a new feature called fast_commit. In arch wiki https://wiki.archlinux.org/title/ext4 you can read that it can be enabled in existing filesystem with:

tune2fs -O fast_commit /dev/drivepartition

but in https://lwn.net/Articles/842385/ there is:

Fast commits are activated at filesystem creation time, so users will have to recreate their filesystems to use this feature.

So is tune2fs -O fast_commit truly enable this feature in existing filesystem ?

mangohost

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