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hc

2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/include/linux/ioprio.h
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@@ -71,6 +71,19 @@
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 }
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 /*
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+ * If the calling process has set an I/O priority, use that. Otherwise, return
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+ * the default I/O priority.
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+ */
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+static inline int get_current_ioprio(void)
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+{
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+	struct io_context *ioc = current->io_context;
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+
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+	if (ioc)
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+		return ioc->ioprio;
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+	return IOPRIO_PRIO_VALUE(IOPRIO_CLASS_NONE, 0);
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+}
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+
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+/*
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  * For inheritance, return the highest of the two given priorities
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  */
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 extern int ioprio_best(unsigned short aprio, unsigned short bprio);