Messages in this thread | | | Date | Thu, 21 Dec 2023 14:22:36 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH v2 00/16] block atomic writes |
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On Thu, Dec 21, 2023 at 01:18:33PM +0000, John Garry wrote: >> For SGL-capable devices that would be >> BIO_MAX_VECS, otherwise 1. > > ok, but we would need to advertise that or whatever segment limit. A statx > field just for that seems a bit inefficient in terms of space.
I'd rather not hard code BIO_MAX_VECS in the ABI, which suggest we want to export is as a field. Network file systems also might have their own limits for one reason or another.
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