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[1/2] fs: aio ioprio add explicit block layer dependence

Message ID 20180604175957.2647-1-adam.manzanares@wdc.com (mailing list archive)
State New, archived
Headers show

Commit Message

Adam Manzanares June 4, 2018, 5:59 p.m. UTC 
From: Adam Manzanares <adam.manzanares@wdc.com>

Previously, the ioprio_check_cap function was only defined when CONFIG_BLOCK
was set. Make this relationship explicit and add a stub for !CONFIG_BLOCK.

Signed-off-by: Adam Manzanares <adam.manzanares@wdc.com>
---
 include/linux/ioprio.h | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h
index 4a28cec49ec3..9e30ed6443db 100644
--- a/include/linux/ioprio.h
+++ b/include/linux/ioprio.h
@@ -77,6 +77,13 @@  extern int ioprio_best(unsigned short aprio, unsigned short bprio);
 
 extern int set_task_ioprio(struct task_struct *task, int ioprio);
 
+#ifdef CONFIG_BLOCK
 extern int ioprio_check_cap(int ioprio);
+#else
+static inline int ioprio_check_cap(int ioprio)
+{
+	return -ENOTBLK;
+}
+#endif /* CONFIG_BLOCK */
 
 #endif