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NFSv4.2: Serialise O_DIRECT i/o and clone range
authorTrond Myklebust <trond.myklebust@hammerspace.com>
Sat, 6 Sep 2025 14:40:24 +0000 (10:40 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 19 Sep 2025 14:35:44 +0000 (16:35 +0200)
commitfc0e6342ad8a16d4ab2a42693c0dadac82ff6662
tree7ca99dac72c4f2cbf601a55069d10cd96ebd060btree | snapshot
parent5eb9e22919c896fe778e3274203008ce149dc294commit | diff
NFSv4.2: Serialise O_DIRECT i/o and clone range

[ Upstream commit c80ebeba1198eac8811ab0dba36ecc13d51e4438 ]

Ensure that all O_DIRECT reads and writes complete before cloning a file
range, so that both the source and destination are up to date.

Fixes: a5864c999de6 ("NFS: Do not serialise O_DIRECT reads and writes")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
fs/nfs/nfs4file.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git