linux-kernel - [RFC PATCH 1/2] block: export block_class and disk

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Date:   Fri, 30 Apr 2021 15:32:10 -0300
From:   Enzo Matsumiya <ematsumiya@...e.de>
To:     linux-leds@...r.kernel.org, linux-block@...r.kernel.org
Cc:     u.kleine-koenig@...gutronix.de,
        Enzo Matsumiya <ematsumiya@...e.de>,
        Jens Axboe <axboe@...nel.dk>, Pavel Machek <pavel@....cz>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Subject: [RFC PATCH 1/2] block: export block_class and disk_type symbols

Export symbols to be used by _for_each_blk() helper in LED block
trigger.

Signed-off-by: Enzo Matsumiya <ematsumiya@...e.de>
---
 block/genhd.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/block/genhd.c b/block/genhd.c
index 8c8f543572e6..516495179230 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1218,6 +1218,7 @@ static void disk_release(struct device *dev)
 struct class block_class = {
 	.name		= "block",
 };
+EXPORT_SYMBOL(block_class);
 
 static char *block_devnode(struct device *dev, umode_t *mode,
 			   kuid_t *uid, kgid_t *gid)
@@ -1235,6 +1236,7 @@ const struct device_type disk_type = {
 	.release	= disk_release,
 	.devnode	= block_devnode,
 };
+EXPORT_SYMBOL(disk_type);
 
 #ifdef CONFIG_PROC_FS
 /*
-- 
2.31.1