add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/cifs/cache.c
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@@ -53,13 +53,6 @@
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 	.type = FSCACHE_COOKIE_TYPE_INDEX,
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 };
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-/*
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- * Auxiliary data attached to CIFS superblock within the cache
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- */
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-struct cifs_fscache_super_auxdata {
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-	u64	resource_id;		/* unique server resource id */
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-};
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-
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 char *extract_sharename(const char *treename)
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 {
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 	const char *src;
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@@ -98,6 +91,8 @@
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 	memset(&auxdata, 0, sizeof(auxdata));
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 	auxdata.resource_id = tcon->resource_id;
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+	auxdata.vol_create_time = tcon->vol_create_time;
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+	auxdata.vol_serial_number = tcon->vol_serial_number;
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 	if (memcmp(data, &auxdata, datalen) != 0)
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 		return FSCACHE_CHECKAUX_OBSOLETE;