linux-kernel - [PATCH RFC -next 1/7] kernfs: export pr_cont_kernfs

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Message-Id: <20240613014937.1326020-2-yukuai1@huaweicloud.com>
Date: Thu, 13 Jun 2024 09:49:31 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: axboe@...nel.dk,
	tj@...nel.org,
	josef@...icpanda.com,
	gregkh@...uxfoundation.org,
	lizefan.x@...edance.com,
	hannes@...xchg.org
Cc: linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	cgroups@...r.kernel.org,
	yukuai3@...wei.com,
	yukuai1@...weicloud.com,
	yi.zhang@...wei.com,
	yangerkun@...wei.com
Subject: [PATCH RFC -next 1/7] kernfs: export pr_cont_kernfs_path()

From: Yu Kuai <yukuai3@...wei.com>

This helper is used in iocost, prepare to build iocost as kernel module.

Signed-off-by: Yu Kuai <yukuai3@...wei.com>
---
 fs/kernfs/dir.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index 458519e416fe..84ad163a4281 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -279,6 +279,7 @@ void pr_cont_kernfs_path(struct kernfs_node *kn)
 out:
 	spin_unlock_irqrestore(&kernfs_pr_cont_lock, flags);
 }
+EXPORT_SYMBOL_GPL(pr_cont_kernfs_path);
 
 /**
  * kernfs_get_parent - determine the parent node and pin it
-- 
2.39.2