[LU-15714] Reserve layout intent flags for PCCRO

• Type: New Feature
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Assignee: Qian Yingjin
• Reporter: Qian Yingjin

Description

Reserve the following layout intent flags for PCCRO:

LAYOUT_INTENT_PCCRO_SET	= 7,	/** set read-only layout for PCC */
	LAYOUT_INTENT_PCCRO_CLEAR = 8,	/** clear read-only layout */
	LAYOUT_INTENT_PCCRO_PIN	= 9,	/** pin the file into PCCRO */
	LAYOUT_INTENT_PCCRO_UNPIN = 10,