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(parent: 9eb90f4) | 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)
committerTrond Myklebust <trond.myklebust@hammerspace.com>
Sat, 6 Sep 2025 20:51:25 +0000 (16:51 -0400)
commitb93128f29733af5d427a335978a19884c2c230e2
treeea7d0f9c98253aef28f69fb91f027e84c3777aaftree
parent9eb90f435415c7da4800974ed943e39b5578ee7fcommit | diff
NFSv4.2: Serialise O_DIRECT i/o and fallocate()

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>
fs/nfs/nfs42proc.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)