NFS: Fix incorrect size revalidation when holding a delegation
We should only care about checking the attributes if the page cache is marked as dubious (using NFS_INO_REVAL_PAGECACHE) and the NFS_INO_REVAL_FORCED flag is set. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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10727772b9
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@ -102,8 +102,11 @@ static int nfs_revalidate_file_size(struct inode *inode, struct file *filp)
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{
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{
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struct nfs_server *server = NFS_SERVER(inode);
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struct nfs_server *server = NFS_SERVER(inode);
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struct nfs_inode *nfsi = NFS_I(inode);
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struct nfs_inode *nfsi = NFS_I(inode);
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const unsigned long force_reval = NFS_INO_REVAL_PAGECACHE|NFS_INO_REVAL_FORCED;
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unsigned long cache_validity = nfsi->cache_validity;
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if (nfs_have_delegated_attributes(inode))
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if (NFS_PROTO(inode)->have_delegation(inode, FMODE_READ) &&
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(cache_validity & force_reval) != force_reval)
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goto out_noreval;
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goto out_noreval;
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if (filp->f_flags & O_DIRECT)
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if (filp->f_flags & O_DIRECT)
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