linux-kernel - [PATCH] test_ida: Fix compilation errors

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Date:   Sun, 12 Nov 2023 15:08:40 +0800
From:   "shiqiang.deng" <shiqiang.deng213@...il.com>
To:     willy@...radead.org
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        "shiqiang.deng" <shiqiang.deng213@...il.com>
Subject: [PATCH] test_ida: Fix compilation errors

In lib/test_ida.c, we found that IDA_BUG_ON
uses the ida_dump() function. When __ Kernel__ is not defined,
a missing-prototypes error will occur during compilation.
Fix it now.

Signed-off-by: shiqiang.deng <shiqiang.deng213@...il.com>
---
 include/linux/idr.h | 4 ++++
 lib/idr.c           | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/linux/idr.h b/include/linux/idr.h
index a0dce14090a9..e091efdc0cf7 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -109,6 +109,10 @@ static inline void idr_set_cursor(struct idr *idr, unsigned int val)
 #define idr_unlock_irqrestore(idr, flags) \
 				xa_unlock_irqrestore(&(idr)->idr_rt, flags)
 
+#ifndef __KERNEL__
+void ida_dump(struct ida *ida);
+#endif
+
 void idr_preload(gfp_t gfp_mask);
 
 int idr_alloc(struct idr *, void *ptr, int start, int end, gfp_t);
diff --git a/lib/idr.c b/lib/idr.c
index 13f2758c2377..66d0c6e30588 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -589,7 +589,7 @@ static void ida_dump_entry(void *entry, unsigned long index)
 	}
 }
 
-static void ida_dump(struct ida *ida)
+void ida_dump(struct ida *ida)
 {
 	struct xarray *xa = &ida->xa;
 	pr_debug("ida: %p node %p free %d\n", ida, xa->xa_head,
-- 
2.30.0