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Re: [PATCH 1/2] file-posix: allow -EBUSY errors during write zeros on ra
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From: |
Kevin Wolf |
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Subject: |
Re: [PATCH 1/2] file-posix: allow -EBUSY errors during write zeros on raw block devices |
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Date: |
Mon, 16 Nov 2020 15:48:47 +0100 |
Am 11.11.2020 um 16:39 hat Maxim Levitsky geschrieben:
> On Linux, fallocate(fd, FALLOC_FL_PUNCH_HOLE) when it is used on a block
> device,
> without O_DIRECT can return -EBUSY if it races with another write to the same
> page.
>
> Since this is rare and discard is not a critical operation, ignore this error
>
> Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
I'm applying this one for 5.2, it certainly shouldn't hurt and makes
things work at least, even if possibly not in the optimal way.
Patch 2 seems to be a bit less obvious and discussion is ongoing, so
that's probably more 6.0 material.
Kevin