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(parent: 1a3a24e) | patch
NFS: Deal correctly with attribute generation counter overflow
authorTrond Myklebust <trond.myklebust@hammerspace.com>
Mon, 29 Mar 2021 20:46:05 +0000 (16:46 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 22 May 2021 08:40:31 +0000 (10:40 +0200)
commit6e15fb6cb6ac678786e98f673ac5ba1bc33e319b
treeb572a26cd09208791b33cffe47ed02b524fe19bdtree | snapshot (tar.gz zip)
parent1a3a24e3514b608077049a1f4c7abfb9c6569716commit | diff
NFS: Deal correctly with attribute generation counter overflow

[ Upstream commit 9fdbfad1777cb4638f489eeb62d85432010c0031 ]

We need to use unsigned long subtraction and then convert to signed in
order to deal correcly with C overflow rules.

Fixes: f5062003465c ("NFS: Set an attribute barrier on all updates")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
fs/nfs/inode.c diff | blob | blame | history