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NFS: Ensure the server has an up to date ctime before hardlinking
[ Upstream commit204975036b
] 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:9f76827287
("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>
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@ -2053,6 +2053,8 @@ nfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
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trace_nfs_link_enter(inode, dir, dentry);
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d_drop(dentry);
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if (S_ISREG(inode->i_mode))
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nfs_sync_inode(inode);
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error = NFS_PROTO(dir)->link(inode, dir, &dentry->d_name);
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if (error == 0) {
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ihold(inode);
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