Re: [PATCH 4/7] xfs: Implement fallocate query support mode

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Christoph Hellwig <hch@xxxxxxxxxxxxx> writes:

I myself

Acked-by: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>

to [5/7] fat part though,

> That being said, I really detest adding weird query modes to random
> syscalls.  We should expose capabilities through the interface that
> was designed for such things: (f)pathconf, as there are a lot more
> important parameters we currently fail to expose to userspace to
> start with.

This is true. For example, max link count. And it might be able to use
for fs's bug/issue detection too (in past, userland has to add
workaround for all cases, because noway to detect the buggy or not).

Thanks.
-- 
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
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