NFSv4.2: Serialise O_DIRECT i/o and copy range

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Ensure that all O_DIRECT reads and writes complete before copying a file
range, so that the destination is up to date.

Fixes: a5864c999d ("NFS: Do not serialise O_DIRECT reads and writes")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

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Trond Myklebust 2025-09-06 10:54:13 -04:00

parent c80ebeba11

commit ca247c8990

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fs/nfs/nfs42proc.c

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