On 07/27/2017 02:38 PM, kusumi.tomohiro@xxxxxxxxx wrote:
> From: Tomohiro Kusumi <kusumi.tomohiro@xxxxxxxxx>
>
> log_err(ENOSYS) on native_fallocate() failure which was newly added
> by 2c3e17be('filesetup: add native fallocate') should be silenced
> or somehow be printed only once instead of being a per file message.
>
> This happens on a platform like FreeBSD where posix_fallocate(3)
> exists, but native_fallocate() is ENOSYS.
>
> This commit just silences it if errno is set to ENOSYS on return.
> "native" is the default mode, thus not printing ENOSYS won't be any
> confusing unless fallocate=native is explicitly specified, and
> native_fallocate() has dprint() for ENOSYS case anyway.
I think that's the right fix, ENOSYS is expected for some setups,
so it need not be a visible error.
--
Jens Axboe
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