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NFS: Ensure the server has an up to date ctime before hardlinking
stable inclusion from linux-4.19.228 commit ddeea0002d17984d66bb63f9b66b96fd604756ad -------------------------------- [ Upstream commit 204975036b34f55237bc44c8a302a88468ef21b5 ] Creating a hard link is required by POSIX to update the file ctime, so ensure that the file data is synced to disk so that we don't clobber the updated ctime by writing back after creating the hard link. Fixes: 9f768272 ("NFS: Move the delegation return down into nfs4_proc_link()") Signed-off-by:Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by:
Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by:
Sasha Levin <sashal@kernel.org> Signed-off-by:
Yongqiang Liu <liuyongqiang13@huawei.com> Signed-off-by:
Laibin Qiu <qiulaibin@huawei.com>
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