add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/nfs/filelayout/filelayout.c
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@@ -783,6 +783,12 @@
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 	return &fl->generic_hdr;
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 }
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+static bool
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+filelayout_lseg_is_striped(const struct nfs4_filelayout_segment *flseg)
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+{
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+	return flseg->num_fh > 1;
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+}
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+
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 /*
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  * filelayout_pg_test(). Called by nfs_can_coalesce_requests()
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  *
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@@ -803,6 +809,8 @@
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 	size = pnfs_generic_pg_test(pgio, prev, req);
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 	if (!size)
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 		return 0;
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+	else if (!filelayout_lseg_is_striped(FILELAYOUT_LSEG(pgio->pg_lseg)))
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+		return size;
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 	/* see if req and prev are in the same stripe */
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 	if (prev) {