Messages in this thread | | | Date | Thu, 23 Mar 2023 15:14:59 -0700 | From | Jaegeuk Kim <> | Subject | Re: [RFC PATCH] f2fs: preserve direct write semantics when buffering is forced |
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On 03/20, Christoph Hellwig wrote: > On Mon, Feb 20, 2023 at 01:20:04PM +0100, Hans Holmberg wrote: > > A) Supporting proper direct writes for zoned block devices would > > be the best, but it is currently not supported (probably for > > a good but non-obvious reason). Would it be feasible to > > implement proper direct IO? > > I don't think why not. In many ways direct writes to zoned devices > should be easier than non-direct writes. > > Any comments from the maintainers why the direct I/O writes to zoned > devices are disabled? I could not find anything helpful in the comments > or commit logs.
The direct IO wants to overwrite the data on the same block address, while zoned device does not support it?
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