Re: [PATCH 08/11] fs: add support for non-blocking timestamp updates

Chaitanya Kulkarni <[email protected]>
Newsgroups dev.linux.lists.gfs2,org.infradead.lists.linux-mtd,org.kernel.vger.io-uring,org.kernel.vger.linux-btrfs,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-nfs,org.kernel.vger.linux-unionfs,org.kernel.vger.linux-xfs
Message-ID <[email protected]> 
On 12/22/25 16:37, Christoph Hellwig wrote:
> Currently file_update_time_flags unconditionally returns -EAGAIN if any
> timestamp needs to be updated and IOCB_NOWAIT is passed.  This makes
> non-blocking direct writes impossible on file systems with granular
> enough timestamps.
>
> Add a S_NOWAIT to ask for timestamps to not block, and return -EAGAIN in
> all methods for now.
>
> Signed-off-by: Christoph Hellwig<[email protected]>
> Reviewed-by: Jeff Layton<[email protected]>

Looks good.

Reviewed-by: Chaitanya Kulkarni <[email protected]>

-ck
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