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(parent: abfd178) | patch
NFSv4.2: Serialise O_DIRECT i/o and fallocate()
authorTrond Myklebust <trond.myklebust@hammerspace.com>
Fri, 5 Sep 2025 16:11:17 +0000 (12:11 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 19 Sep 2025 14:35:44 +0000 (16:35 +0200)
commit5eb9e22919c896fe778e3274203008ce149dc294
tree3d772aaedcd11f372aa652ddc6a1436355cf97betree | snapshot
parentabfd17844a0a95534782f1ac6bf2c44fc1198382commit | diff
NFSv4.2: Serialise O_DIRECT i/o and fallocate()

[ Upstream commit b93128f29733af5d427a335978a19884c2c230e2 ]

Ensure that all O_DIRECT reads and writes complete before calling
fallocate so that we don't race w.r.t. attribute updates.

Fixes: 99f237832243 ("NFSv4.2: Always flush out writes in nfs42_proc_fallocate()")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
fs/nfs/nfs42proc.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git