Re: Why btrfs inline small file by default?

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On Tue, Oct 30, 2012 at 07:04:59PM +0800, ching wrote:
> I am testing my btrfs root partition with "max_inline=0", and 64k leaf
> size for weeks and it seems that it is fine.

Related to inlining itself, ext4 and xfs are receiving inline data
support, so it would make sense to introduce a per-file attribute, eg.
FS_NOINLINE_FL that would get set on directories and inherited into
newly created files with the expected outcome.

One of the reasons why is to give a way to user to avoid potential
performance hits, eg. when frequently switching from inline to
non-inline (provided that this is known to happen). Nice to have IMHO,
but more evaluation of real-world use cases where it hurts would be
desirable.

david
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