xfs: mark xfs_perag_intent_{hold,rele} static

These two functions are only used inside of xfs_drain.c, so mark them
static.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

Author: Christoph Hellwig

fs/xfs/xfs_drain.c

@@ -93,6 +93,27 @@ static inline int xfs_defer_drain_wait(struct xfs_defer_drain *dr)
 	return wait_event_killable(dr->dr_waiters, !xfs_defer_drain_busy(dr));
 }
 
+/*
+ * Declare an intent to update AG metadata.  Other threads that need exclusive
+ * access can decide to back off if they see declared intentions.
+ */
+static void
+xfs_perag_intent_hold(
+	struct xfs_perag	*pag)
+{
+	trace_xfs_perag_intent_hold(pag, __return_address);
+	xfs_defer_drain_grab(&pag->pag_intents_drain);
+}
+
+/* Release our intent to update this AG's metadata. */
+static void
+xfs_perag_intent_rele(
+	struct xfs_perag	*pag)
+{
+	trace_xfs_perag_intent_rele(pag, __return_address);
+	xfs_defer_drain_rele(&pag->pag_intents_drain);
+}
+
 /*
  * Get a passive reference to the AG that contains a fsbno and declare an intent
  * to update its metadata.
@@ -124,27 +145,6 @@ xfs_perag_intent_put(
 	xfs_perag_put(pag);
 }
 
-/*
- * Declare an intent to update AG metadata.  Other threads that need exclusive
- * access can decide to back off if they see declared intentions.
- */
-void
-xfs_perag_intent_hold(
-	struct xfs_perag	*pag)
-{
-	trace_xfs_perag_intent_hold(pag, __return_address);
-	xfs_defer_drain_grab(&pag->pag_intents_drain);
-}
-
-/* Release our intent to update this AG's metadata. */
-void
-xfs_perag_intent_rele(
-	struct xfs_perag	*pag)
-{
-	trace_xfs_perag_intent_rele(pag, __return_address);
-	xfs_defer_drain_rele(&pag->pag_intents_drain);
-}
-
 /*
  * Wait for the intent update count for this AG to hit zero.
  * Callers must not hold any AG header buffers.

fs/xfs/xfs_drain.h

@@ -65,9 +65,6 @@ struct xfs_perag *xfs_perag_intent_get(struct xfs_mount *mp,
 		xfs_fsblock_t fsbno);
 void xfs_perag_intent_put(struct xfs_perag *pag);
 
-void xfs_perag_intent_hold(struct xfs_perag *pag);
-void xfs_perag_intent_rele(struct xfs_perag *pag);
-
 int xfs_perag_intent_drain(struct xfs_perag *pag);
 bool xfs_perag_intent_busy(struct xfs_perag *pag);
 #else
@@ -80,9 +77,6 @@ struct xfs_defer_drain { /* empty */ };
 	xfs_perag_get((mp), XFS_FSB_TO_AGNO(mp, fsbno))
 #define xfs_perag_intent_put(pag)		xfs_perag_put(pag)
 
-static inline void xfs_perag_intent_hold(struct xfs_perag *pag) { }
-static inline void xfs_perag_intent_rele(struct xfs_perag *pag) { }
-
 #endif /* CONFIG_XFS_DRAIN_INTENTS */
 
 #endif /* XFS_DRAIN_H_ */